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Search our catalog, go direct, enter a boat reference, nord catamaran 7m luxury fast fisher, £ 0 sold / unavailable.

• Boat REF#  ·  315462
• Length  ·  7.20m
• Year  ·  2021
• Construction  ·  GRP
• Underwater profile  ·  Multihull
• Sleeping berths  ·  2
• Engine  ·  2 x gasoline 70hp, Suzuki (2018)
• Lying  ·  Ipswich

Boatshed Suffolk

This boat is off the market but here are some boats that are still for sale.

• Specification
• Additional Information

Extra Details

Electrical systems.

12 / 24 volt battery, 240 shore power voltage, 2 batteries charged by: engine, shore power

Construction

Accommodation.

1 burner paraffin Stove

Electric windlass (with remote control) 1 anchors (CQR)

Nav Equipment

Safety equipment.

2 bilge pumps (1 manual / 1 electric)

Broker's Comments

This Nord Catamaran 7m is so much more than a fast fisher. Although equipped with everything you would need to go fishing, you would get there a lot faster courtesy of the twin 70hp Suzuki outboards. Once there you can relax in luxury thanks to the extraordinary finish that the current (and only owner) has gone to when fitting her out. As a professional boat builder himself, he has focused on a quality finish as well as features that make being offshore that much more comfortable. Finished only last year, this is a truly exquisite example and for those seriously considering such a boat, this is one to be seen.

These boat details are subject to contract. Note: Offers on the asking price may be considered.

Owners FAQ's

How long have you owned the boat for, why are you selling her.

Not using her enough

Where have you sailed her?

East of England Estuaries (Stour, Deben, Orwell, Blackwater)

Please note this comments section is public . Please do not post your personal details here. To enquire about purchasing this boat, please contact the broker directly at [email protected] Please read our commenting guidelines before posting.

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Catamaran Construction – Hulls, Laminates, and Composites

• Post author By BJ Porter
• Post date October 15, 2020
• 3 Comments on Catamaran Construction – Hulls, Laminates, and Composites

It’s a given that catamarans are more sensitive to weight and loading than monohulls. Catamaran builders strive to build the lightest boats they can without sacrificing strength and stiffness, and have adapted new building techniques and materials to meet this target. Cutting weight allows more passengers and gear without sacrificing performance.

And the marketing materials reflect it–they load every review and website with polysyllabic technical jargon describing the design and production choices each builder made to deliver the best boat they can.

But when you’re reading a brochure and you come across phrases like “ hand laid bidirectional GRP ” or “ vacuumed bagged e-glass with vinylester resin over a Divinycell core ” do you know what that really means?

All modern production catamarans are made with “FRP” construction (for Fiber Reinforced Polymer). Composites aren’t new–it’s just using materials together to strengthen the whole assembly. Straw was added to bricks centuries ago, and steel reinforced concrete is a staple of construction over the last century. For boats, it’s the use of stranded fibers and cured resins which make FRP different.

The term “FRP” doesn’t get into the technical detail of which fibers and which plastics, and how they’re put together to build your hull. There’s a wide variety of fiber types which can be stranded, woven, chopped or sprayed in a varied of patterns then combined with several types of resins to make hulls with different characteristics.

Some FRP techniques produce lighter, stronger shapes, while others are quicker to build and less expensive to produce. The choice of technique is a function of many factors, from the number of hulls and parts to be built, the type of parts, the budget for the project, and many design specific requirements for weight and strength.

1. FRP Basics

The principle behind all FRP construction is the same – you lay our fibers in the shape you need, then saturate them with resin, removing all the air and voids you can. Resin is left to cure, then the piece is ready to finish and use.

The reality is more complex, since building a boat isn’t like making a flat board or a simple door. You’ve got a complex shape with a designed set of curves to build. “Tooling” is the set of shapes to make the boat parts; molds to cover with fiberglass to get the right shapes.

That’s what makes FRP so effective – you can make almost anything out of it. But to do so requires a lot of choices about what you need for the project at hand.

There isn’t a “best” all around material or technique choice for all jobs, and sometimes a lower cost technique or easier to work with material may be the better solution to the problem.

A. Fiber types

Fiber choices in the last few decades have expanded past the glass fibers used in the first mass produced boats in the 1960s. FRP construction wasn’t new even then, they built the first composite boats using modern fiberglass in the 1940s.

The major fibers used in marine construction fall into three categories – glass, aramids, and carbon. The primary differences are in the strength to weight ratios of the fibers, durability, elasticity, and cost. Some construction may use blends of fiber types to combine performance characteristics.

Glass – the most common material still, because of its low cost and versatility. The most common variety used in GRP (Glass Reinforced Polymer) is “E-glass” which refers to its strand size and mineral content. Other grades have different and sometimes better mechanical properties, but may be more expensive and less appropriate for boat building use. Fiber sizes run 10 to 25 microns for E-glass, though other grades may be smaller.

Brands like Leopard, Lagoon, and most higher production volume builders use E-glass.

Aramids – this includes brand names like Kevlar, Technora and Twaron. They have higher tensile strength than E-glass, and resistant abrasion and punctures. Kevlar is a common choice for bullet proof body armor, and can built a tough, lightweight hull. The materials can be difficult to work with, as it is very tough to cut the cloth. It is often blended with carbon fiber or other materials – Catana is known for using Twaron blends in hull construction.

Carbon – the ultimate in lightweight, strong construction material. Carbon fiber is the most expensive fiber, and is available in a variety of weights, grades and strengths. Fibers are smaller than glass – down to 5 Micron.

The lightest, most expensive hulls are made from carbon, but a catamaran builder may use carbon in places other than the hull to add strength and stiffness. Carbon boards, rudders, and reinforcing structures can enhance performance without driving the price of the boat beyond reach. Carbon is the fiber of choice for many custom builds, racing cats, and Gunboat.

B. Mats, Strands, Roving, Direction, and Weights

Fibers are woven into matting and cloth for construction. Depending on the application, different weights of cloth and cloth patterns and weaves may be more appropriate for the job.

Cloth weight refers to the weight per square yard (or meter) of the cloth. A square yard of nine ounce cloth weighs nine ounces. The heavier the cloth, the stronger it is in a laminate.

Fibers carry loads along their length, so cloth weaves have directionality to their strength. Most builders use several layers of cloth with different orientations to give good universal strength to hulls. Specific FRP applications with strict load-path requirements may have more unidirectional fiber layering – for example, a chainplate manufactured from carbon fiber may use unidirectional fiber.

Cloth – fiberglass cloth is commonly used on outer layers of composites. Cloth may have unidirectional or bidirectional strength. Bidirectional cloths have maximum load strengths in two perpendicular directions. Variations on weaves like a modified twill allow a more flexible cloth for better shaping around complex molds.

Mat – is omnidirectional strands of fiber compressed into a cloth. This is often held together with a resin soluble glue, which makes mat great at conforming to mold shapes without folding and bunching as it collapses when wetted. Because the strands do not align, fiber strength is the same in all directions.

Woven Roving – a heavier cloth made from larger bundles of strands. Woven roving allows for quicker buildup of material and strand weight.

Most FRP layups include multiple layers of different cloth and mat. Finished layers may be finer cloth over courser cloth, over woven roving and mat.

Three primary resins are in common use in marine construction – polyester , vinylester , and epoxy . All resins have materials safety concerns and require care in their use and handling.

Polyester is the least expensive and requires breathing protection because of the VOC emission (Volatile Organic Compounds…nasty, smelly fumes). It doesn’t have good bonding/gluing capability, and should only be used with glass fibers for structural building. Some polyester resins are referred to as “isophthalic” resins.

Vinylester is chemically similar to a hybrid of polyester and epoxy, and performs best with fiberglass. It shouldn’t be used in high strength applications with carbon or aramid fibers. It has some adhesive qualities which polyester lacks, it shrinks less during curing, and has better impact resistance.

The added strength of vinylester coupled with increased water resistance makes it an attractive option for many catamaran builders. It costs less than epoxy, but still has better performance than polyester.

Epoxy is the most expensive, but is three times the strength of the others. It offers the best adhesion and the only resin for building structural elements with carbon and aramid. It resists water intrusion better than the other resins, resists blisters, emits no VOCs, and shrinks less. The major drawback is it is more brittle if it takes an impact.

While epoxy is “the best” in terms of strength and ease of building, there are many applications where other resins are appropriate. Budget is a big driver – a boat made from E-Glass doesn’t need epoxy resin, and considerable cost savings to meet a construction price target may drive the choice.

They can build quality boats from all material combinations, but price and performance will drive materials choices to keep some boats more affordable.

2. Cored Construction

What’s the best way to make fiberglass strong? To a point, you can make it thicker. As it gets thicker, it gets heavier. A hollow shape can take more compressive load than a solid one of the same weight, and the same principle applies to fiberglass construction.

Consider an I-Beam used in building construction. It has the same strength (or more) as a solid rectangular beam of similar mass. The compressive load on the beam is supported by the outside edges of the material, the metal in the middle doesn’t contribute much to the strength. So we can remove metal to get the “I” shape while still keeping those sides rigid, making a lighter girder with less material.

The same principle applies to cored construction with fiberglass. Making a sandwich of two layers of fiberglass with a light core between them allows for the greater strength with weight savings.

There are drawbacks – the biggest risk is damage which breaks the skin, which can let water into the core. Earlier cored construction used materials prone to saturation and rot if they got wet. Some builders opt to do cored construction above the waterline and solid below to minimize some of these risks.

But the advantages in weight savings and increased stiffness offset the drawbacks, and there may be a few other side effects like sound and temperature insulation. Like resins and fibers, core materials offer distinct advantages, disadvantages and price points.

Most builders have adopted a hybrid approach, building solid hulls below the waterline, and cored hulls and decks above. This gives a balance of weight and safety.

A. Balsa Core

Balsa is light and inexpensive. The first cored construction used balsa, but it has the disadvantage of being wood. As a natural material, if it gets wet it can rot and break down. Builders use “end grain” balsa – shorter cross cut sections – to prevent wicking of water if there is an intrusion.

B. Foam Core

Closed cell foam cores give good strength to weight savings while minimizing water intrusion. If you get water in the core, it won’t spread very far. Divinycell is a popular PVC foam core, though there are several choices with different densities and compressive strengths.

Some foam cores are not suitable for heat treatment, but infused or vacuum bagged boats like the Outremer and PDQ do well with it.

C. Honeycomb

Honeycomb cores are often the most expensive, but also give some of the best strength to weight ratios. Honeycombed cells made from resin cured aramid papers are some of the best, but also among the most costly. They offer good stiffness, but can be hard to shape. Aluminum and other resin-infused papers are other core materials builders can choose from.

3. Construction and Resin

When building a hull, there are optimal ratios of fiber to resin saturation for target strength and weight. Too little resin and you may not have enough strength (or worse, voids and gaps), and too much, and you’re just adding weight without adding strength. Resins are also a significant material cost in building the boat, so over application not only increases weight but adds cost.

There are many ways to assemble the cores, fibers and resins to build a finished laminate hull – we’re addressing the most common in boat building. Each approach has strengths and limitations, and an impact on the bottom-line cost to build the boat. Any voids or air pockets in the laminate can be disastrous; these techniques have been developed to increase saturation and reduce the risk of voids.

A. Hand Layup / Open Molding

As the name implies, this is the application of resin by hand to cloth as it’s laid into a mold. Wetting is done with a brush, and the laminate is rolled out to remove any air pockets and voids. This is the simplest way to lay up fiberglass, but also the least precise and consistent and will use the most resin.

Skilled craftsmen have built some of the finest vessels in the world this way. Though it’s more popular with monohulls, which are less sensitive to weight, many catamarans built with hand layups on open molds are still out cruising and performing well.

B. Spraying

Using chopped-strand fiber mixed with resin, a “chopper gun” can spray the mixture into a mold to lay down the composite. A consistent thickness can be difficult, but this is a low cost construction technique which makes a very resin-rich laminate. Using sprayed fibers gives lower strength in all directions compared to meticulously laid down mat and bi-directional cloth. But it is a quick technique popular with mass produced, smaller boats.

It is an excellent technique for parts with complex geometry where weight is not an issue, but you will not see it often in catamaran construction. It’s heavy with resin without any resultant increase in strength.

C. Vacuum Bagging (Wet layup)

When an open molded component has been laid up and wetted with resin, vacuum bagging takes the process a step further. After the wetting is complete, air tight plastic bagging is secured around the wetted area, and the air is pumped out of the bag. The vacuum pulls excess resin out and collapses air pockets.

The goal is to get thorough wetting and produce as strong a laminate as possible without excess resin. Knysa and Leopard are two builders that use vacuum bagging on their hulls to reduce weight.

D. Resin Infusion

For resin infusion the cloth, matting and core is laid in place dry, then sealed in an air-tight bag. A vacuum pump attaches to one side of the bag, and on the other a feed for resin. The vacuum sucks the air out of the dry cloth stack, then pulls the resin through the stack, infusing and wetting it.

Resin infusion, when done right, gives the lightest, strongest laminates with no voids and the minimum resin weight for maximum strength. SCRIMP is a variant of the resin infusion process used by some builders, including TPI which build many early Lagoon cats.

E. Pre-preg

Using pre-preg (for “Pre Impregnated”) cloth for your laminating gets rid of the resin bucket. They manufacture cloth with a partially catalyzed resin pressed into it, then it’s chilled or frozen to stop the curing process. There is no need for seperately mixed resins, and there’s no worry your resin might “go off” and harden before you’re done wetting the cloth. Instead, the cloth is assembled, vacuumed, then heated to kick off the curing process.

There are both advantages and disadvantages to using pre-preg for your laminate work. The big disadvantage is the cost; it is most expensive material to use. You also need to chill and store the cloth until you need it, though some can be at room temperature for a couple of weeks without kicking off. And you need an oven which requires some clever tricks if you’re building a forty or fifty foot boat.

But the strength to weight ratio will always be perfect. High tech honeycomb cores are best suited to pre-preg lamination, and without racing against resin cure times, you can ensure perfect cloth placement and precise layout in the build process.

The primary use for pre-preg in boating is high performance race boats. With catamarans, pre-preg may be used high load parts, like Gunboat does for foils and rudders.

4. Industry Examples

Across the catamaran building industry you’ll find almost all the above techniques and materials used, though some are less common. You aren’t likely to find chopped strand sprayed layups in ocean going cats, and hand layups can lead to heavier hulls than weight sensitive catamaran designers prefer. Most manufacturers have moved to vacuum bagging or resin infusion, with a few of the highest end boats using pre-preg for key components.

Built by Robertson & Caine in South Africa, the hull material is vacuum bagged, end-grain balsa-cored E-glass with polyester.

Hand laid, bagged vinylester over an Airex foam core in the hulls.

Earlier Prout catamarans like the Snowgoose 34 featured hand laid solid FRP hulls and decks. Over time they switched to foam or balsa cores for decks and above the waterline.

Older PDQ boats were made from vacuum bagged vinylester – solid below the waterline and cored with CoreCell foam above the waterline and in decks. Newer PDQ models switched to epoxy resin.

All glass is vacuum bagged. Below the waterline is solid E-glass and vinylester. The rest is unidirectional, bidirectional, and triaxial cloths over a Nida-Core polypropylene honeycomb core with isophthalic and vinylester resins.

The Gemini cats are built with a solid hand layup of woven roving and fiberglass mat and polyester resin. Decks are cored with end grain balsa. The Gemini 3200 introduced vinylester resin into the layup to prevent blistering.

Older Lagoons were SCRIMP infused vinylester with and end grain balsa core above the waterline and in the decks.

Newer Lagoon catamarans use polyester and vinylester resins, also infused with balsa cores above the waterline and solid below.

With a carbon fiber inner skin, Catana also uses Twaron aramid fibers in the sandwiched hull over a foam core.

Fontaine Pajot

Primary hull construction is resin-infused vinylester with a balsa cored hull and deck.

Beneath the waterline, Outremer uses a single layer, solid vinylester laminate for safety. The hulls and deck are vinylester with a Divinycell foam core. They stiffen certain components with carbon for rigidity and durability.

Gunboat hulls are epoxy infused carbon fiber with a Nomex honeycomb core. They build dagger boards and other high load components with pre-preg carbon.

• Tags Buying Advice

By BJ Porter

Owner of Hallberg Rassy 53; world explorer.

3 replies on “Catamaran Construction – Hulls, Laminates, and Composites”

Excelent. Thank you for this I learned allot. Johan

Very straight forward information. Thankyou for doing this.

Damn…What an Amazingly Informative Article. *Cheers*

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Professional BoatBuilder Magazine

An aluminum expedition catamaran.

By Dieter Loibner , Apr 5, 2022

With 110′ LOA, a 35′ beam, and 45′ (33.5m, 10.6m, and 13.7m) of bridge clearance, the H-2 catamaran seeks to make a case for U.S. custom boatbuilding.

Hauling toys beyond the horizon is the raison d’être for a rugged go-anywhere catamaran designed and built in the U.S., a notable exception in the world of big yacht projects.

Gunboat might have left town, but there’s another big catamaran under construction in its old facility in Wanchese, North Carolina. It’s called H-2 , short for Hippocampus 2 , a stout 110-footer (33.5m) that liberally and intentionally quotes from the expedition/workboat vernacular. It’s built from aluminum and was conceived to go to the back of the beyond, where adventure beckons and Vessel Assist doesn’t operate. Aside from commodious and cushy accommodations, the boat offers grid autonomy, ocean-crossing range, and cargo capacity to match the mission of hauling a 26 ‘ (7.92m) tender, a 17 ‘ (5.8m) skiff, a two-person submarine, a four-seat ATV on the main deck, and a small helicopter on the flight deck aft.

The boat was commissioned by Brian Schmitt, 67, a real  estate executive in the Florida Keys, who pilots his own plane to commute to the Bahamas, where he keeps Hippocampus , his current 57 ‘ (17.37m) cold-molded wood/epoxy catamaran. I asked him about the jump from 57 ‘ to 110 ‘ . “I never thought I’d have the ability to do that in my own boat until probably the last few years,” he replied, adding that “it would be 120 ‘ [36.58m] if I had to do it today.”

Its predecessor, Hippocampus, built in wood/epoxy, was launched in 2003. At 57′ (17.37m), it is about half as long as H-2, but with 22,500 miles under its keels, it was a useful starting point for designing the new vessel.

Wearing shorts and a shirt with the new boat’s name and logo to our meeting, Schmitt talked openly about his project, which he manages as attentively as his real estate brokerage with 130 agents. Communication is his thing, responding to e-mail questions in near real time (in ALL CAPS) and talking to contractors directly. No project manager.

A passionate diver who habitually explores remote and exotic locales, Schmitt said he was happy with the first Hippocampus , which has three staterooms and cruises at 15 knots on twin 370-hp Yanmars. “It was the vehicle that got our 17 ‘ tender wherever we needed it.” But running the little boat 60 or 70 miles a day lost its charm. “One of the things I wanted was a twin-engine tender that would have more room for dive gear. That ended up being a 26 ‘ Calcutta, so I needed a bigger mother ship.”

With accelerating climate change, the carbon footprint of ships and large yachts is under scrutiny, but hydrocarbons still win when speed, range, and payloads are priorities. While H-2 doesn’t break the mold there, Schmitt pointed to the project’s virtues as a U.S. domestic build. “You can’t complain about global warming when you’re flying around in your G500 jet that’s contributing more CO2 emissions than anybody else in the world,” he said. “You can’t complain about all the boats being built in Germany, The Netherlands, and Italy, and then go buy a boat [there].” Schmidt wanted to build locally, keeping jobs and money in the U.S. Besides, he noted, this approach simplified communications and enabled him to personally check on progress during COVID. Perhaps most importantly, he could pick a team of trusted and compatible mates to turn his dream into a boat.

The vast build hall left vacant when Gunboat left Wanchese, North Carolina.

He selected John Marples, a fellow pilot, inventor, and multihull specialist for the design and Felix Herrin to build H-2 . Both men had worked for him on Hippocampus , and their familiarity helped when meeting today’s challenges, such as damaging trade tariffs that drove up aluminum prices, and a pandemic that killed millions, wreaked havoc on global supply chains, and caused labor shortages in industrial sectors. These factors have conspired to delay H-2 ’s launching by roughly two years and counting.

Advantage Aluminum

A key decision early on was to build in aluminum, which promised a robust structure but required extra steps to deal with corrosion and noise mitigation. “Construction was reduced to something simple—a V-bottom deadrise model, stretched out,” Marples explained. “There wasn’t any benefit to round bilges on an aluminum boat. You’d have to add internal structure to support the flat panels, and it drives the cost and difficulty of construction way up. We’re talking about a speed-to-length ratio of 2 or less, which is not a big deal. His current boat would do a speed/length of about 3, so the extra length means that you’re never really pushing the boat that hard, so shape was not a huge consideration.”

Marples and Herrin go back at least three decades to their mutual acquaintance with naval architect and boatbuilder Dave Dana, who assisted Marples with the hull design for Admiral Pete , a catamaran passenger ferry still serving Puget Sound. Herrin works with different construction materials, but having built crew boats for Petróleos de Venezuela (PDVSA) at Sea Force in Palmetto, Florida, he has spent considerable time with aluminum.

Taking a break during IBEX 2021 are builder Felix Herrin (left) and owner Brian Schmitt. H-2 is their second joint project with designer John Marples.

The structural components on H-2 are 5083-H32 alloy aluminum plate and extrusions of 6061-T6 alloy. Scantlings, materials, and weldment comply with the American Bureau of Shipping’s (ABS) 2016 design guidelines for pleasure motoryachts. Hulls and wing structures have transverse frames and bulkheads spaced on 36 “ (0.91m) centers. Those frames are supported by substantial centerline vertical keels (CVKs) welded atop twin 3 “ x 8 “ (76mm x 203mm) solid extruded-aluminum-bar keels. Intermediate subframes in the forward and aftermost hull compartments strengthen the hulls for operating in ice. Schmitt indicated he wants to traverse the Northwest Passage. For the same reason, there’s 3⁄8 “ (10mm) plate running the length of the boat above and below the waterline.

The topside and underwing plating is primarily ¼ “ (6mm), with areas of 5⁄16 “ (8mm) to strengthen slamming zones in the bow. The main deck plating is also 1/4 “ while the foredeck plate is specified at 5⁄16 “ . The bottom plating is 5⁄16 “ in the aft two-thirds of the hull and 3⁄8 “ forward. “We built all the frames and bulkheads first, then scarfed together the keel sections [and] lined those up on the bunks that we built on,” Herrin explained. “We welded the CVK on top of the keel, then started installing frames.”

Hulls and wing structure have transverse frames and bulkheads on 36″ (0.91m) centers. The hulls are supported by centerline vertical keels.

Herrin said he changed aluminum suppliers midway through the project, sourcing from Bayou Metal Supply , an ISO 9001:2015–certified distributor in Slidell, Louisiana. “We sourced the material from Greece and from domestic suppliers,” said Taylor Smith, who handles Bayou’s sales. Tariffs, he said, did not slow down business much, but the aluminum cost more. “Felix sent cut files. We had the material in inventory, we cut it, processed it on a router, and shipped it on time. Everything flowed well.”

Naval and structural engineering and detailing was contracted out to Van Gorkom Yacht Design in Portsmouth, Rhode Island. “My first responsibility was looking at structures,” Geoff Van Gorkom said. “Given that this is an aluminum yacht, we can do literally all the structures in 3D and have all the metalwork precut before it came into the yard. All the frames and longitudinals and all the primary structure were precut, which saved huge amounts of time.” Van Gorkom said he uses Rhino 3D and some of the numerous modules such as Orca 3D for hydrostatics and hydrodynamics, and 2D AutoCAD to produce construction details.

Helping save time and money, 3D-modeling allowed frames, longitudinals, and the primary structure to be cut before being sent to the building site.

Van Gorkom observed that H-2 is not a fussy high-performance vessel that needs minimum weight to achieve maximum speed. Besides ABS guidelines that address torsional loads in catamaran structures, he also consulted A.L. Dinsenbacher’s paper “A Method for Estimating Loads on Catamaran Cross-Structure” ( Marine Technology , Vol. 7, No. 4, October 1970) to estimate load conditions in beam and quartering seas. “This is going to be a very stiff boat. It’s going to be a very strong boat simply because it has to be, and that was one of the criteria that Brian put out there right from the very start of the project. The boat is sturdy and stout, a strong expedition yacht.”

Van Gorkom also engineered the setup for a folding deck crane housed under a flush hatch in the helideck on the port side to launch and retrieve the two-man submarine or the ATV. “It’s basically an enclosure that opens up, so the crane extends out,” he explained. “It comes up on a telescoping pipe to swing out and pick up something from the side of the boat.” It required support from beams on each side of the crane and cutting a slot in the helideck for the lifting bridle so the loads can move inboard or outboard. On the starboard side, the 5,500-lb (2,492-kg) Calcutta tender is an even heavier load moved by twin overhead beam cranes. The 17 ‘ Twin Vee is launched and retrieved from the foredeck with a 2,500-lb-capacity (1,153-kg) crane.

Catamarans are known to be weight-sensitive, so how will H-2 handle the weight of all the toys and high superstructure? The arch over the flybridge is 33 ‘ (10.05m) above waterline, Van Gorkom confirmed. “Add another 10 ‘ [3.05m] for the radar, mast, etc., so a comfortable bridge clearance would be around 45 ‘ [13.7m].” Marples conferred with Van Gorkom about the effect of the added weight on the center of gravity, which was deemed “almost imperceptible,” Marples remembered. A quick calculation suggests that a 5,500-lb deck load is equal to only 1.57% of a full-load displacement given as 350,000 lbs (158,550 kg).

High Power, Low Noise

Van Gorkom hired engineers at HydroComp to evaluate the design’s hydrodynamics and propulsion systems, including the influence of hull-shape parameters and demi-hull spacing on resistance. HydroComp also offered a speed-power prediction to aid with engine selection and recommended optimum shaft rpm and propeller parameters. Technical director Donald MacPherson, who prepared the report, outlined the process and findings: “Particularly interesting for this project was the use of its novel analytical distributed volume method [ADVM] for the vessel’s resistance modeling. This 2D technique (between parametric methods and CFD) uniquely allows for assessment of the influence of local sectional area curve regions (such as ‘shoulders’ or inflections) in wave-making drag. It also directly evaluates the effects of catamaran hull spacing.” HydroComp helped optimize the hulls by identifying the regions that contribute most to wave-making drag, and securing a 3% reduction in total drag at the design speed by making what MacPherson called “very minor changes to the immersed volume distribution.”

Rob Ayers works on the installation of the starboard engine’s Evolution Marine Shaft System that will be fitted with a 36″ (0.91m) five-blade propeller.

That simulation was mapped to benchmark performances of four similar catamarans, and the process was run for two design variants, followed by a propulsion simulation for partial-load conditions. The hull-spacing study concluded that the originally designed 35 ‘ (10.7m) beam remained suitable despite the boat being 20 ‘ (6.1m) longer than originally drawn. The chosen propulsion system comprises two MTU 10V 2000 M96, 1505-mhp diesels with ZF 3000 flange-mounted marine gears, providing an estimated top-speed range of 20–22 knots, cruising speeds of 12–15 knots, and 10–13 knots for long-range voyaging. Actual performance will be established during sea trials.

The recommended propeller specifications developed by HydroComp were for five-blade models with 36 “ dia­meters. HydroComp applied Prop­Elements, a wake-adapted propeller-analysis tool, to determine the advisability of installing a nozzle or shroud to restrict transmission of pressure pulses to the hull and to create a more uniform inflow. This would reduce interior noise but would increase appendage drag and power demand. Schmitt said he will wait to see if cavitation or prop noise is an issue before making a final decision.

He invested heavily in noise and vibration mitigation, knowing that an aluminum boat won’t provide the natural sound-dampening of a wood/epoxy structure like that of his first Hippocampus . Consulting with Soundown of Salem, Massachusetts, Schmitt wanted to replicate what worked well on his old boat, starting with the Evolution Marine Shaft System, in which the prop shaft runs in an oil-filled tube and uses roller and needle bearings instead of standard water-lubricated bearings. “You have a lot less shaft noise, but one of the primary benefits of an integral thrust bearing is that it transmits all the thrust directly into the hull, as opposed to pushing on the gearbox or the engine and gearbox combination,” said Sam Smullin, Soundown’s marketing and quality assurance manager. “It allows for a much softer engine mounting, so you reduce the noise from the shaft itself and get a much quieter engine installation, which reduces structure-borne noise.” Because of the relative weight sensitivity of catamarans, Smullin said, “it’s particularly important to do a really good job on the driveline.” His father, Joseph Smullin, president of Soundown and J&A Enterprises Inc., an engineering firm for noise and vibration control, estimated that this could reduce driveline noise levels by 5 dBA to 10 dBA compared to a conventional system.

Clemente Perez, one of Herrin’s build crew, works on the interior. The extensive sound and thermal insulation includes foam sprayed into the cavities.

Soundown also looked at the two 38-kW Northern Lights gensets, which have double-isolation mounts to reduce structure-borne noise. The firm also recommended structural changes to ensure that the mount foundations were as stiff as possible.

Energy from propulsion or generator engines invariably transmits to the boat structure and then resonates through big, flat panels like bulkheads, decks, ceilings, and liners, causing the familiar vibrating rattle. To dampen those vibrations, Herrin said he used Roxul, a lightweight, semi-rigid stone-wool insulation for fire resistance and sound control. His crew also sprayed cavities with Dow Froth-Pak, a quick-cure polyurethane foam for thermal insulation, and installed Sylomer (a microcellular PUR-elastomer) between the structural components and the floors, walls, and panels. “We glued the Sylomer, which is kind of a spongy foam, to the structure of the boat, and then the plywood of the subfloors and walls are glued to that,” Herrin explained, adding that this created a floating interior without any fasteners.

The plywood, called QuietCore, is a composite sandwich panel comprising marine plywood skins and an acoustic damping layer that converts acoustic energy into small amounts of heat that are dissipated. Soundown claims that an 18mm (0.7 “ ) QuietCore bulkhead can reduce noise transmission by up to 10 dBA, an audible reduction 50% greater than with regular marine plywood of equal thickness.

Electricity for a Small Town

Going off grid on H-2 does not mean anyone will suffer, as long as the electrical system keeps powering the boat’s myriad house loads—hydraulic Maxwell windlasses and thrusters; a Webasto air-conditioning system; two full-size stand-up freezers, two refrigerator freezers, and two under-counter refrigerators in the galley, all by Vitfrigo; Krüshr compactors for recyclables and garbage; Headhunter sewage-treatment system; Alfa Laval fuel-polishing system; two FCI watermakers; a complete set of Garmin navigation electronics with full redundancy; and a Böning vessel control and monitoring system.

Two Northern Lights 38-kW gensets are the heart of H-2’s AC system, which also includes a 37-kW Atlas inverter to connect to shore power in foreign ports.

Much of the AC side was designed and specified by Ward’s Marine Electric in Fort Lauderdale, Florida, in cooperation with OceanPlanet Energy of Woolwich, Maine, and principal Bruce Schwab, who helped design and integrate the DC components. “Today there’s a big trend in the industry to use shore-power converters as inverters and superlarge lithium-ion battery banks to provide power, at least temporary power, for major loads like air-conditioning, chiller plants, and things like that,” said Ward Eshleman, chairman of Ward’s Marine Electric. “So, rather than using only smaller inverters and synchronizing them and stacking to get additional kW, the trend for the larger vessels is to use shore-power converters as inverters. There is an inverter bus in the main switchboard.”

True to its go-anywhere mission, H-2 was fitted with an Atlas 37-kW inverter to connect to shore power in places that do not serve 60 Hz, 240V single-phase power. “We can take anything from 90V to 400V and pretty much anything from below 50 Hz to the 60 Hz and single- or three-phase,” Herrin explained.

Eight GTX24V315A-F24 lithium-ion batteries from Lithionics are split between a house bank that can run all DC loads for at least 24 hours, and an emergency bank to operate critical DC loads—display screens, radios, nav lights—for 24 hours. The boat is equipped with 10 Solara Ultra-S 160W panels paralleled in two groups of five each, connected to two Victron SmartSolar MPPT 100/50 solar controllers to charge the house bank. Given enough sunshine, solar and battery power should be “capable of running lights and refrigeration but not air-conditioning or heating,” Schmitt said. “Since we will likely spend most of our time in the tropics, we did not believe that solar power alone could do the job we needed.”

OceanPlanet Energy specified four Victron Buck-Boost DC-DC converters, two for each engine, to help charge the house bank from the starter batteries without having to modify the engines’ stock alternators, which would have voided the warranty. “The converters activate based on the input voltage from the starting batteries,” Schwab explained. “With lower rpm, the alternators would not produce enough current to feed both converters without the starting-battery voltage dropping, turning the converters off. Then the voltage will rise, the converters turn on again, drop the voltage, turn off…over and over. Staggering the input voltage cut-in, hopefully starting the converters one at a time, will more smoothly supply power to the house bank across the engine/alternator rpm range.”

OceanPlanet Energy specified the DC system including DC/DC converters and hefty battery banks to power house loads and critical electronics.

There are two 4,500-watt 240V split-phase engineroom-ventilation fans connected to two Victron Quattro 5-kW 24V inverter-chargers configured for 240V/120V split-phase AC loads. They can accept AC inputs from two sources (shore power or generators) and automatically connect to the available source. “In the event of a grid failure or power disconnect, they take over the supply to the connected AC loads by inverting from the Lithionics house-battery bank,” Schwab said.

“It’s more complicated than that,” according to Herrin. “Typically, we’re going to be operating with the A-bus and the B-bus tied together, so we can power everything with one generator. The B-bus actually passes current through the Victron inverter-chargers on its way to the load. We have the ability to split the A-bus and the B-bus and run the A-bus on one generator and the B-bus on the other in the few instances we’re exceeding the capacity of one of the generators. If we lose both generators, then the essential loads are still going to be carried,” meaning engine vents or water pumps.

Redundancy and emergency backups also figured largely in the deliberations of John McKay, manager of the Switchgear Systems Division at Ward’s Marine Electric and point man for this project.

One of his challenges was limiting the voltage drop in the estimated 53 ‘ (16.2m) cable run between engines, which in an emergency allows the starboard engine to be started from the port battery and vice versa. “For a starter group, you can allow a 20% voltage drop,” McKay said and noted that starting the engines requires 720 amps, while the gensets needed only 200 amps. “I was keeping the 720-amp current between 7% and 11% voltage drop, getting up to some pretty good-sized copper. Some sections of the run were 240mm2 [500MCM] cable.” Knowing that the boat is capable of going to high latitudes, McKay recalled his youth and the frigid winter mornings in Massachusetts, “where you can crank a diesel all day long at a low rpm, and it’ll never start. You just need to turn it over one or two times at a higher rpm, and it’ll be running. So, I was making certain that the starter was going to crank at the highest rpm possible and not lose it all to voltage drop.”

Protecting Assets and Finishing the Job

No matter how fast or how far H-2 will travel, corrosion caused by galvanic current between dissimilar metals, by stray currents or by electric fault, is an enemy that needs to be kept in check. That’s the calling of Ted Schwartz, who runs Electro-Guard (Mount Shasta, California). He’s one of the country’s foremost experts on cathodic protection, and also served on ABYC’s E2 Cathodic Protection Project Technical Committee.

“We designed the system and supplied all the equipment and steered them through the installation,” Schwartz said. It’s a 15-amp impressed-current-cathodic-protection (ICCP) system, model 715 A-2, with three anodes and two reference cells. Regarding the boat’s Evolution shaft system with driveshafts running inside an oil-filled tube, Schwartz said: “It was a real challenge because you can’t actually make contact with the propeller shaft on the inside of the boat.” He consulted with Soundown and found a solution. “At the coupling on the inboard end of the tube, a bit of the shaft stuck out through the seal,” Swartz said. “There’s this coupling that Soundown built that fastens to the shaft, and we asked them to provide a surface on that coupling where we could put our silver slip rings on [to provide an electrical connection] to protect props and shafts.”

Every anode can deliver up to 5 amps of current using its own current controller that receives a signal from the main controller, which determines exactly how much current each anode will put out. The entire system consists of three anodes, three current controllers, the main controller, and a separate monitoring station connected to the controller by signal cable. Later, Schmitt also ordered a backup system employing aluminum sacrificial anodes.

On catamarans, the company installs a reference cell aft near the prop of each hull, and an anode on the aft section of each hull, and one anode amidships on the inboard side on one hull.

Chromate, two layers of epoxy, copious amounts of fairing compound, and various primers rendered the surface fair and ready for a yacht-quality paint job.

At the time of this writing, the vessel had been shot with chromate and two layers of epoxy before approximately 500 gal (1,893 l) of fairing compound and 325 gal (1,230 l) of various primers rendered the surface fair and ready for a yacht-quality Alexseal paint job with 35 gal (132.5 l) light ivory, 24 gal (91 gal) stark white, and 2 gal (7.6 l) cordovan gold. Parallel to the exterior, construction was on the home stretch with installation of the crew quarters and the saloon overhead. On the systems side, pressure checks were performed for hydraulics and plumbing.

Since H-2 is a much larger and more complex vessel than the original Hippocampus , with a multitude of systems that need to be managed, monitored, and maintained, I was curious how many crew Schmitt was planning to hire to help run his new boat. He said he consulted with captains and headhunters, and “the consensus is three or possibly four at most. I just completed my 100-Ton Masters and will build time on the new boat as well. We won’t charter and are not accustomed to being cooked for or served or having our beds made and all that. So mostly I’m looking for a qualified captain and engineer to maintain the systems.”

Little surprise that a hands-on operator like Schmitt does not want to cede too much of the game he loves to play. But as big, bold, and broad-shouldered as H-2 will be when she finally emerges from the old Gunboat shed in Wanchese, the proud owner is quick to remind anyone that it’s still “a vehicle to get the toys wherever.”

H-2 : The Designer’s View

H-2 ’s owner, the adventurous Brian Schmitt, has dived into deep caves to see submerged caverns, hand-fed large sharks that would normally view him as food, and spent years in his off-time exploring Caribbean archipelagos in Hippocampus, his current 19-year-old 57 ‘ (17.4m) power catamaran. Nearing retirement age, he gave the order for his “ultimate” yacht.

The foldable hydraulic deck crane to launch and retrieve a two-man electric submarine or an all-terrain vehicle required cutting a slot in the helicopter deck for the lifting bridle.

The first talk about the new design was between the owner, the builder, and me. As we discussed the mission of the boat, it became clear that it would fall into the category of expedition vessel with more guest staterooms, more range, and more room for equipment than his old boat. Brian defined the function of the vessel as a carrier for a 26 ‘ (7.92m) twin-outboard catamaran, an outboard skiff, a small car, and a small helicopter, which needed a flight deck. This vessel was to be used with family and guests while also serving as an operations base for outbound travel by air, land, or sea.

Aside from commodious accommodations, a key requirement was comfortable motion on rough seas. This was to be a catamaran, like his current boat, which offers extensive real estate afloat in a seagoing vessel. The only restriction for the new design was a beam no greater than 35 ‘ (10.6m) to fit the largest Travelift.

The trade-off for overall beam width involves room versus roll motion. A wider catamaran responds more quickly to roll in seaways but with less amplitude, whereas a narrower beam rolls more slowly with slightly more amplitude. The slower roll is preferable as long as overall roll stability is maintained. Roll in catamarans is unlike roll in single-hulled vessels. Because the vessel is supported by two buoyancy chambers (hulls) with distance between them, motion has little to do with roll inertia, but rather with response of the hulls to the seaway. Each hull responds to a passing wave independently by heaving (up/down) and rolling, which is a circular motion around the center of gravity (CG) that translates to lateral motion when standing above the CG, especially high up on the bridge. Power catamarans, unlike sailing catamarans, do not require wide hull spacing to generate righting moment (to support a sail plan), so they can have closer hull spacing, which still preserves sufficient stability, slows wave-response roll characteristics, and takes up less space in port.

One of the expected routes for this vessel is the Northwest Passage over the top of North America. Boats venturing there can expect floating ice, so we added thicker hull plating at the waterline and an ice-separation chamber on the cooling water intakes. We also designed the hull to give the propeller protection by positioning it behind a deep canoe-stern afterbody with no exposed shaft. A rudder horn, below the propeller extending aft from the hull, adds support for the rudder and protection for the prop. This configuration is useful as a hedge against the possibility of grounding. In fact, this boat can be careened on the beach between tides if necessary for repairs. The hull includes a strong, deep, vertical keel structure that allows for blocking anywhere along its length.

Speed and range became the largest determinates of the design. A maximum range of 4,000 miles at 15 knots (enough to cross the Atlantic Ocean) was proposed. Catamarans are easily driven at modest speeds due to lack of significant wave resistance by narrow hulls. A preliminary speed prediction analysis showed that we would be in the ballpark with about 1,400 hp (1,050 kW) and 5,000 gal (18,925 l) of diesel per hull. The final installed fuel capacity is 12,500 gal (47,313 l).

The general arrangement plan shows crew quarters in the hulls, three guest cabins, office, saloon, and galley on the main deck and owner’s suite on the bridge deck level.

A totally new design normally goes through a lengthy proposal and critique cycle between designer and client, especially if the client is knowledgeable and involved. The vessel’s first iteration started at 90 ‘ (27.43m) LOA, but it became evident that it needed more length to relieve a number of ills. After adding 10 ‘ (3.05m) we saw improvements, but it wasn’t until the 110 ‘ (33.5m) length proposal that we felt all the requirements had been satisfied: more slender hull shape, more open interior space, and better placement of machinery and tankage. The flight deck for the helicopter became larger, and the forward superstructure fairings gave the boat a sleeker look. And at 110 ‘ we achieved an efficient length versus waterline beam ratio that reduced wave drag and fuel consumption at the target cruise speed.

While beam remained at 35 ‘ , lightship displacement increased significantly to 230,000 lbs (104,190 kg). Accommodations now include crew quarters for four persons in the bows; three double guest cabins and a ship’s office forward; a large saloon amidships with adjacent galley, and a dive and a storage locker aft on the main deck. The upper deck is arranged with a full-width-bridge steering station forward, protected by a Portuguese bridge, and a master stateroom with en suite bathroom aft. The flight deck extends aft of the master stateroom. Access to the upper deck is by either a staircase from the foredeck, an interior staircase adjacent to the ship’s office, or by stairs from the starboard side deck.

The largest variable weight on the boat is fuel, so the tankage is located amidships to minimize its influence on trim. Engine and machinery rooms aft of the tankage take up the remaining spaces all the way to the transoms. Other amenities include a utility area aft of the crew quarters port side with storage and washing machines, and a walkway through the tank spaces and enginerooms to the boarding decks at each transom. Another late addition is the flying bridge to aid with shallow-water operation by improving the vantage point to see coral heads and other obstructions. Its protective bimini serves as a mounting platform for lights and antennae.

—John R. Marples

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Unveil the MAKAI M37: Where meticulous design meets unmatched performance. This fusion marries exhilarating power with spacious cabins, embodying our brand's sporty aesthetics. Redefining power catamarans' versatility, the MAKAI M37's allure transcends numbers. Embracing captivating aesthetics and fuel efficiency, it offers an unmatched helming experience. With refined cabins for couples and families, plus an expansive deck hosting up to 12 guests, this masterpiece intertwines catamaran advantages with unwavering dedication to style and comfort – a testament to our values.

MASTER CABIN

GUEST CABIN

Its bright and spacious interior volume, generous natural lighting, 204cm (6'8") headroom, queen mattress and excellent natural ventilation, provides the M37 with an owners cabin larger than most 40+ footers.

The power catamaran stability means the MAKAI M37 is able to offer a great nights sleep - so we focus on making the most of that by giving you a luxurious guest cabin equipped with double berth and kids single, suitable for week-long adventures with the kids or friends and family.

The master cabin in the M37 Power Catamaran features a private head, queen-sized bed, a floor-to-ceiling white oak wardrobe, under bed storage, and full-length mirror.

A fully equipped guest cabin includes a private ensuite head, a double berth, and a single bed for children. This setup provides enough separation and privacy for a comfortable and extended cruising trip with guests and children.

The interior of the M37 power catamaran is configured with two cabins: a master cabin to port with queen berth and guest cabin to stbd with a double and single berth. Both cabins are provided with their own ensuite bathrooms equipped with separate shower/head area.

Spacious and Refined

ultimate privacy

ENSUITE HEADS

Both ensuite heads offer full standing headroom of 204cm (6'8"), allowing you to use the bathroom facilities and shower comfortably without compromise.

Each cabin is provided with its own bathroom including backlit mirror, towel rack, wash basin, ample storage and separate shower stall and electric heads.

Both cabins are equipped with equally spacious en-suite heads, offering extensive privacy to the owners and their onboard guests.

Poise Through

Maneuverable

Form Stability

Catamaran Efficiency

Power catamaran form stability means the M37 is calm in rough conditions, and stable at anchor. So you and your guests will feel the tranquility of a much larger yacht. But make no mistake this is a performance cruiser: up to combined 740 horsepower, along with our new and unique super low-drag catamaran design, enables a 38-knot top speed - numbers normally reserved for 1000hp monohulls.

Catamaran efficiency makes the M37 incredibly quick and fun to drive - it also makes it manoeuvrable. Propellers are spaced farther apart than on a monohull - making them more efficient and providing greater twisting force when manoeuvring in tight spaces. Add in joystick control and this boat is simple to drive, and even more simple to dock.

TRUE CRUISING

Powerful diesel engines paired with optional lithium batteries and alternators deliver power to all of the most important luxuries on our power catamarans – a full supply of hot water, air conditioning or heating and ample power to charge laptops and devices - even to power a microwave or coffee maker.

The spacious cockpit area offers ample lounging space for all guests on board.

With drives raised, the M37 draws just 55cm (1’9”) allowing this power catamaran to enter shallow bays and anchorages. Because of this unique ability Makai has also built a protective outer layer of Kevlar along the centerline of its hulls to allow owners to drive the bow of the M37 right up the beach. Drop the bow ladder and step off and onto the sand without even getting your feet wet.

Air-Glide System

The Makai Air-Glide* shock absorbing system allows boaters to unleash the full capabilities of the twin V8 engines in even the roughest of conditions. Thanks to the innovative tunnel design, you can enjoy a cushioned, smoother ride even when powering into waves at speed. Extend exploration in comfort as this innovation also aids to reduce fuel usage, granting you a more efficient and care-free voyage. Experience efficiency and an enhanced cruising experience via MAKAI's air-glide system.

STERN DRIVE

SURFACE DRIVE

The Makai M37 comes packed with power, twin Yanmar diesel 8LV320 sterndrives propel the catamaran with a total of 640hp. Taking advantage of the extensive onboard NMEA 2000 network Makai transfers all engine data directly to the MFD at the helm putting all engine management at your fingertips. And if that’s not enough, upgrade to the 8LV370 engines and take charge of 740hp at the helm.

Upgrade to Makais QSPD Surface drive system and take advantage of increased top end performance, improved fuel efficiency and most encouragingly reliability and maintenance superior even to traditional shaft drive.

CZone Touch Screen Control

Advanced, Scalable Electronics

Digital Switching

Scalable Electrical Options

CZone control and monitoring simplifies the control of electrical systems through the replacement of complicated and often cumbersome traditional wiring. Digital switching replaces switch and fuse panels with networked digital switch interfaces providing ultimate control of onboard electrical systems from either the CZone control interface or the helm mounted 12” multifunction display allowing the skipper to monitor and manage the vessels electronics without leaving the helm.

MAKAI Power Catamarans use the latest technologies to make boating more fun, but with the future in mind as well. Consider the scalable electronics options - with additional displays, fishfinders, scanners, cameras, and even integrated night vision capabilities.

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Used Catamarans for sale

Marsaudon ts3, outremer 40, alexander 50 one off, lagoon 410 série 2, lagoon 400 série 2, nautitech 46 open, aventura 36, louisiane 37, lagoon 380 série 2, robertson and caine leopard 384, why trust us , already 1497 boats sold through us, what is a catamaran, main features of a catamaran.

Catamarans are categorised as multihull sailing boats: they are composed of two parallel hulls linked together by a rigid body. Multihulls are thinner than monohulls, which means catamarans can reach higher speeds due to reduced water resistance. They also have greater stability and more deck space as a result. Travelling at greater speeds doesn't necessarily mean greater thrills. Due to their stability, catamarans produce fewer sensations compared to monohulls. Like all sailing boats, catamarans are wind-propelled and equipped with daggerboards or fins positioned on the hulls to prevent drifting.

Historically, the first catamarans emerged in Polynesia 4000 years ago, where the local population used outrigger canoes as rafts. The first western catamaran emerged as late as 1662 and was designed by William Petty, an English philosopher and economist.

Before buying a catamaran, it is important to consider the various features of this type of boat. First of all, despite having very low heel, catamarans pitch back and forth more easily, especially in bad weather. In addition, they are often more expensive to maintain. Their length and deck equipment as well as two engines should be taken into account. Finally, given their large size, these types of multihull boats have more difficulty entering harbours, which sometimes means they have to be moored outside the harbour to a mooring buoy and reached by dinghy, row boat, semi-rigid boat, or inflatable boat.

What are the advantages and disadvantages of a catamaran?

Catamarans offer a wealth of advantages for any sailor tempted by sailing:

• they are resistant to listing, making sailing more enjoyable;
• they are faster downwind;
• they have two engines providing greater manoeuvrability and making entering harbours easier;
• and they have a low draught, which means they can sail in shallow waters.

However, for those who prefer thrills, it is wiser to go for a monohull, as catamarans are generally heavier which makes them more stable and less sporty.

Layout of a catamaran

The space aboard catamarans with a length of 12 metres and above is larger and more comfortable than monohulls of the same size. This provides more living space with a beautiful galley, large lounge area and a roomy cockpit. This feature is sure to be appreciated when sailing with several people, whether friends or family. In addition, the number of cabins increases to 4 with one at each end of the hulls, combining privacy and tranquillity.

Tempted by adventure? Browse through our used catamaran listings on Band of Boats and sail full throttle towards your destiny.

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Quaranta – the high-volume, incredibly flexible 33.7m catamaran superyacht

Flexibility. It takes just that one word to summarise the philosophy behind Curvelle and its premiere offering, Quaranta . The project began in 2005 with a team of naval architects and specialist catamaran designers, including Incat Crowther of Australia as naval architect, and High Modulus of the UK as structural engineers. Curvelle founder Luuk V van Zanten, who led the international group, shared their conviction that catamarans present several advantages over monohulls.

Curvelle’s first goal was to design a beautiful performance power catamaran that would challenge traditional builds and offer increased versatility to maximise operation time. The design’s main objectives were: to achieve about 50 per cent more interior space than a monohull yacht of similar length; develop a cabin arrangement that gives wide-ranging flexibility; create a hull capable of reaching 20 knot-plus speed with at least one-third less fuel consumption, and to do all of it at about half the cost of a similar volume and quality performance monohull.

The outcome is a 33.7 metre, launched at Logos Marine in Tuzla, Turkey, in spring 2013 and named Quaranta , which means ‘40’ in Italian. ‘My family lives in the Balearics,’ says the Dutch-born van Zanten, ‘and I am very much fond of the central Med’s culture. The name Quaranta was chosen because we drew this 33.7 metre catamaran with the aim of obtaining the volume of a 40-metre single-hull yacht. We thoroughly compared our square metres for guest use to those of 10 mainstream builders’ 40 metre models and the result is more than satisfactory.’ Indeed, we have verified that only the Princess 40M has more interior space than Quaranta , which is unrivalled in terms of exterior deck space at this length.

Quaranta, is also available for charter. ‘During the summer of 2013, Quaranta had 10 to 12 guests on board for three consecutive months,’ says van Zanten. ‘It was a success, the very first reward for our approach and long-lasting efforts.’ The successful, busy season was due in part to the yacht’s extremely flexible layout that can accommodate many group combinations. All guest suites are on the main deck. A long corridor decorated with marine-themed photographs divides four suites (two on the port side and two on the starboard side) located aft of a large spiral staircase leading to the upper saloon deck. Two more cabins are forward of the stairs.

Due to the absence of structural bulkheads, they can be configured as three huge suites or six en suite cabins, or any permutation of those. When two cabins are joined to create a suite – by sliding a movable bulkhead – the beds in the second suite can be made into sofas to create a private saloon, and the two bathrooms become a his-and-hers. In addition, each suite’s bed can be configured as a double (oversized queen size) or as two singles. ‘The configuration can be changed in a matter of hours, a few minutes if the required changes are small,’ says van Zanten.

‘On board  Quaranta , nothing is permanently set,’ he continues. ‘Let me give you [another] example: the dining tables are all made up by massive wood modules that allow quick reduction or enlargement according to the precise number of people that need to be accommodated.’

This ethos of flexibility also applies to ownership. Curvelle has developed a syndicate ownership that enables clients to buy one or more of seven shares of the yacht. ‘ Quaranta has been specifically designed for such a formula,’ van Zanten says.

In addition to the inherent space afforded by a catamaran design, the construction material of carbon hybrid composite added further volume. ‘Since the material is so strong and light, we were able to reduce the structural engineering requirements together with our structural consultants High Modulus, which resulted in more headroom and more floor space overall,’ van Zanten says. ‘We took inspiration from the offshore wind blade construction industry and also from the modern airline construction business.’ In late 2010, van Zanten turned to Logos Marine to develop and build provisional male moulds and build the hull and superstructure in carbon/e-glass and epoxy composite.

With four decks and a nine metre beam, Quaranta is two metres wider and has one more deck than would be found on a single-hull yacht of a similar size, yielding approximately 50 per cent more space for guests. Sicilian naval architect Mauro Giamboi was challenged to take all this volume and wrap it in an elegant package that would have the lines of a regular monohull when seen from the side. He met the challenge brilliantly.

Expanding the space further, at least visually, are the 2.7 metre wide by one metre tall windows in each of the guest rooms. In conjunction with the great views, the interior design creates a clean, airy and warm atmosphere. London-based designer Alex Isaac, who recently became luxury furniture maker David Linley’s creative director, made extensive use of white leather, American oak and Bolon woven flooring for an attractive and easy-to-maintain interior.

The same criteria of flexibility and ease of use are evident on the upper deck, dubbed the saloon deck, where the main saloon and main dining area are located. Here, a portside wall of windows opens completely to merge the dining area, situated aft of the saloon, with the outdoors – only the starboard side features fixed windows.

Yet another dining space is on the remarkably spacious and open top deck, under the shade of the radar arch and a bimini. On the opposite end is the spa pool, surrounded by sun loungers and sheltered by a glass screen forward. A wet bar is to port and plenty of space is left to set up additional sunbeds.

The six metre-wide central platform not only makes a great swim platform, it is also used to easily lower the tender from its housing on the main deck into the water. Tested for up to three tonnes, the hydraulically operated platform is more than enough to lift the yacht’s 4.6 metre custom fibreglass catamaran tender (powered by a 50hp outboard engine and seating seven), a submarine or even a large car. Furthermore, with the help of a track in the main aft deck’s overhead, a personal watercraft can be lifted and stowed on the aft deck. A portable, manual aluminum crane able to handle 500 kilos is available for an additional crew tender.

Both hulls of the lower deck are dedicated to crew operations and accommodation. The crew of six, including a captain, an engineer, two stewardesses, a chef and a deckhand, are accommodated in three en suite double cabins. The rest of the hulls house the galley, laundry, crew mess and twin-engine rooms and lazarettes. Crew can access this area from both the foredeck (forward of the bridge on the upper deck) and from the main deck. _Quaranta’s _crew quarters adhere to MCA LY3 requirements, which came into effect in August 2013 partly in response to the new Maritime Labour Convention.

Powered by twin 1,900hp Caterpillar C32 engines, Quaranta performs well at all speeds. Economical cruising speed is between eight and 12 knots, average cruising speed is 13 to 15 knots and fast cruising is between 16 and 21 knots. The hull configuration allows for this wide spectrum and the catamaran’s inherent efficiency gives it extended range. The 33.7m catamaran, which is in compliance with MCA rules for unrestricted navigation, has sufficient range to cross the Atlantic at eight knots.

While van Zanten chose a one-off methodology for the construction of hull No.1, this first catamaran is not to be the last. Another Curvelle is already on the drawing table and while van Zanten is not ready to disclose too much yet, he gives us a clue. The name of his new concept is Cinquanta , which in Dante’s language means ‘50’. All of a sudden things appear clear: Curvelle has set its next target.

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The 40M Sunreef Explorer is a versatile multihull craft dedicated to discovering new horizons. Her propulsion options allow for transoceanic range and solid performance in rough seas. Blending elegance and modern technology, this luxury power catamaran can be heavily customized to match ambitious navigation plans.

The extended aft deck houses a launching crane, a 7m tender, two jet skis, and storage for a variety of water toys. With the hydraulic aft platform lowered, guests can enjoy a full-beam private beach on the luxury catamaran. The 40m superyachts’ 13.34m beam provides for immense living areas, totaling 654m² with accommodation spreading across three decks.

Custom features available for the interiors of the electric catamaran include a playroom with a self-leveling pool table, a steam room, or a master suite with a private fold-out balcony. Alfresco relaxation areas include a large sun lounge with a spa pool surrounded by oversized sunpads and a bar as well as a vast bow terrace. Contact us now to inquiries about 40m Sunreef Explorer.

SPECIFICATION

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Construction

38 m / 124.7 Ft

Length overall

13.34 m / 43.8 Ft

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654 m² / 7039.6 Ft²

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BARCHE | 2022-09

MULTIHULLS WORLD | 2020-11

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80-718 Gdańsk, Poland

+48 58 769 77 77

Let us take you to an unforgettable journey

Embarking on a catamaran journey in the Seychelles is to navigate through a dream painted in hues of turquoise and emerald. The azure waters sing the rhythm of freedom, the gentle breeze whispers tales of harmony, as your vessel skims the crystal-clear sea. The catamaran, your ship of adventure, sails past vibrant coral reefs and meets playful marine life, encapsulating the raw, untouched beauty of the Seychelles. Surreal sunsets paint the sky, marking an end to the day but not the journey. Each night, under a celestial canopy, the adventure continues, as the essence of the Seychelles echoes in the lullaby of waves.

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The Lagoon 42 “Best Love” is a luxurious catamaran yacht built in 2020 , known for its sleek design and spacious interior. Accommodating up to 12 guests in 4 double cabins, with private bathrooms, saloon and 2 single cabins.The yacht offers air-conditioned comfort and ample natural light. The salon and fully equipped kitchen open to a large cockpit, while the flybridge provides panoramic views. With its combination of luxury and comfort, the Lagoon 42 “Best Love” guarantees an unforgettable sailing experience for those seeking relaxation and elegance on the seas.

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Experience luxury and style on the seas with the Lagoon 42 “Best Q1” catamaran yacht. Built in 2020 , this modern and elegant yacht is perfect for up to 12 guests in 4 double cabins, each with its own private bathroom, 2 single cabins and 2 in saloon. The exterior of the yacht is designed for optimal comfort and relaxation, with a large flybridge area that offers panoramic views of the surrounding scenery. There is also a large trampoline area at the bow of the yacht, providing a unique and fun experience for guests.”Best Love” is a stunning yacht that offers a perfect combination of luxury and comfort, making it an ideal choice for a memorable sailing experience

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The Lagoon 42 “Best Love” is a luxurious catamaran yacht built in 2020 , known for its sleek design and spacious interior. Accommodating up to 12 guests in 4 double cabins, with private bathrooms, saloon and 2 single cabins.The yacht offers air-conditioned comfort and ample natural light. The salon and fully equipped kitchen open to a large cockpit, while the flybridge provides panoramic views. With its combination of luxury and comfort, the Lagoon 42 “Best Love” guarantees an unforgettable sailing experience for those seeking relaxation and elegance on the seas.Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

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• Top Catamaran Ltd 310 Premier Building Victoria Mahe
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YALLA Yacht – Impressive $80M Superyacht

The luxury YALLA yacht is a multi-award-winning yacht built by CRN Yachts. The YALLA was delivered from CRN’s Ancona shipyard in 2014.

The award-winning interior was designed by CRN’s interior design team in collaboration with Droulers Architecture.

Omega Architects contributed to the exterior design of the yacht. The YALLA is the very definition of a luxury experience on the water.

YALLA yacht interior

The stunning interior of the YALLA yacht was designed by Droulers Architecture in collaboration with CRN’s in-house Interiors and Design Office.

There is accommodation for 12 guests in 6 deluxe staterooms, including an owner’s suite and VIP staterooms.

The guest accommodations all have the best quality furnishings, amenities, and en-suite bathrooms.

There are facilities for 22 highly trained crew members, making the yachting experience of the highest quality for guests.

The yacht has many features that include a beach club that creates an area for indoor-outdoor living level with the water.

There is a pool, a well-equipped gym, and plenty of areas for socializing and al fresco dining opportunities.

There is an abundance of options for sunbathing on the YALLA. The garage has a limousine tender and many water toys that offer fun and action while aboard the yacht.

The interior of the YALLA yacht was a finalist for The ShowBoats Design Awards 2015 for Interior Design in a Motor Yacht over 500GT.

The exterior of the YALLA yacht was a finalist for the Naval Architecture Award on a Displacement Motor Yacht and the Exterior Design & Styling Award on a Motor Yacht over 500GT at The ShowBoats Design Awards 2015.

With its four spacious decks and sleek and sporty lines, the YALLA is an eye-catching yacht on the water. She was delivered in 2014 with a steel hull and an aluminum superstructure.

The design was penned by Omega Architects and built at the CRN shipyard in Ancona, Italy. CRN is a builder of luxury superyachts, and YALLA was a custom build for the shipyard.

Specification

The 73m YALLA yacht is powered by 2 Caterpillar engines , which gives her a top speed of 18.5 knots and a cruising speed of 12.5 knots. The YALLA has a range of 5500 nautical miles at her cruising speed.

She has a beam of 12.8m and a draft of 3.4m, with a displacement of 1709 gross tons.

She features at-anchor stabilizers that afford guests exceptional comfort levels by reducing the rolling motion of the yacht on the water.

The YALLA costs $5 – $8 Million per annum to operate.

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73.00 m / 239 ft 5 in

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exploring shallow waters and anchoring closer to the shore

YALLA is a bespoke superyacht characterized by sleek, slender and sporty lines, which make the profile particularly streamlined. With 5 decks, M/Y she can host up to 12 guests in her six cabins, including the Owner Suite and VIP cabins, together with a crew of 22.

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Steel/Aluminium

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The external profile of this vessel has been designed by Omega Architects, in close collaboration with the CRN Engineering Department which developed the naval project, while their interiors have been created by Droulers Architecture, which has worked in close collaboration with the shipyard’s Interiors and Design Office.

The new megayacht, the first to be built by CRN on the new naval platform of 12.50 metres in width, is characterized by sleek, slender and sporty lines, which make the profile particularly streamlined. With 5 decks, M/Y CRN 132 73 m can host up to 12 guests in its six cabins, including the Owner Suite and Vip cabins, together with a crew of 22 members.

The construction of this new jewel of the sea, which includes the best design solutions realized by CRN, has required around 430,000 hours of work from the shipyard workers and subcontractors and the daily contribution of over 150 direct and indirect workers.

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If you have any questions about the YALLA information page below please contact us .

YALLA hit the water in 2014 at the CRN shipyard in Ancona. She was built under the shipyard build number CRN 132 is a luxurious 73-metre displacement vessel. Her main characteristics include sleek, slender and sporty exterior lines by Omega Architects, in close collaboration with the CRN Engineering Department. Her beautifully executed interior design has been created by Droulers Architecture, with tight collaboration with the yard’s in-house Interiors and Design Office. In 2014, YALLA received an award for the ‘Best Exterior Design’ at the Invictus Yachts Trophies competition.

YALLA’s NOTABLE FEATURES: Sleek, sporty lines ~ Award-winning design by Omega Architects ~ Great socialising areas ~ Fantastic al fresco dining possibilities ~ Excellent beach club ~ Pool ~ Well-equipped gymnasium ~ Beautiful limousine tender ~ Plenty of sunbathing option

Spreading over four spacious and magnificent decks, the this 73-metre vessel offers accommodation for up to 12 guests in six deluxe staterooms overnight, including the sumptuous Owner Suite and Vip staterooms. There is also accommodation for a numerous and highly trained crew of 22 members, taking care of guests every need with exceptional attention to detail and guests on board.

YALLA Specifications

YALLA was designed with numerous exceptional design solutions to promote on board entertainment, social life and relaxation. One of the main features must be the onboard wellness situated on the lower deck, that includes a beach club, large swimming pool as well as a well-equipped fitness area.

Made of steel and aluminium, YALLA is fitter with twin Caterpillar 3512B diesel engines. She is ABS classed and MCA compliant.

Yacht Accommodation

Accommodation is spread over six beautifully appointed staterooms, including one spacious deluxe owner accommodation. All staterooms over private en suite bathroom facilities and best quality furnishings and amenities.

Amenities and Extras

Custom made limousine tender by Younique Yachts amongst others, as well as a selection of water toys for guests entertainment.

YALLA Disclaimer:

The luxury yacht YALLA displayed on this page is merely informational and she is not necessarily available for yacht charter or for sale, nor is she represented or marketed in anyway by CharterWorld. This web page and the superyacht information contained herein is not contractual. All yacht specifications and informations are displayed in good faith but CharterWorld does not warrant or assume any legal liability or responsibility for the current accuracy, completeness, validity, or usefulness of any superyacht information and/or images displayed. All boat information is subject to change without prior notice and may not be current.

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Off the hook yachts acquires georgetown yacht basin.

Jan 10, 2023

Off the Hook Yachts Acquires 300-Slip Marina in Georgetown Maryland  

The Acquisition 

Off the Hook Yachts is proud to announce the acquisition of Georgetown Yacht Basin (GYB) now rebranding under Georgetown Yacht Haven – a 300-boat slip full-service marina located on the Sassafras River in Georgetown, MD.  Off the Hook plans to restore the yacht basin to its former glory and reconnect with the local community in order to establish it as a household name in the area. 

As our founder is originally from Maryland, this will complement our current presence in the area, along with our MD sales team, which currently operates out of Bay Bridge Marina. The acquisition of the marina will allow us to expand on sales, service, and custom-built Nor-Tech Performance Boat sales in the region. Georgetown Yacht Haven has 300 slips, two paint sheds that can hold up to a 110-foot yacht, a 110-ton travel lift, a fuel dock, a swimming pool, bathhouses, and a complete ship store, along with many other amenities. GYH controls the largest travel lift in Northern Chesapeake Bay.

About Off the Hook Yacht Sales

Off The Hook Yacht Sales NC, LLC, based in Wilmington, North Carolina, was founded in 2012 by Jason Ruegg and has now become the largest marine wholesaler in North America. The company provides wholesale purchasing services for brokerages, new boat dealers, and private individuals, and has become a household name at the largest brokerages and dealerships in the Country. Off the Hook Yachts headquarters is in Wilmington, North Carolina, where it remains today. We have 12 other locations currently in the USA, with expansion plans for 2023. Additionally, OTH is proud to represent Nor-Tech Hi-Performance Boats from Georgia to Maine and Yellowfin Boats from Miami to the Florida Keys.  

About Georgetown Yacht Haven 

Georgetown Yacht Haven was originally constructed in 1949. The marina is situated on 14.26 acres along the Sassafras River.  This river is known for its very deep brackish to freshwater – making it ideal for boating in the Upper Chesapeake area.  Georgetown Yacht Haven is a full-service marina and shipyard with a restaurant and hotel on site.  For more information contact Tristan Price at (410) 648-5112 / [email protected] .

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COCOA BEAN YACHT CHARTER

73.99m  /  242'9   trinity yachts   2014 / 2020.

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Cabin Configuration

Special Features:

• Full-beam master suite with option for private lounge
• Custom-designed Jacuzzi
• Convenient guest elevator
• Generous sea-level beach club
• Huge choice of water sport toys
• Wheelhouse gym
• Generous exterior deck areas

The biggest delivery in the US in 2014, there are no end of well-equipped, luxurious living spaces on board the magnificent superyacht 'Cocoa Bean'.

The 73.76m/242' 'Cocoa Bean' motor yacht built by the American shipyard Trinity Yachts is available for charter for up to 12 guests in 6 cabins. This yacht features interior styling by British designer Evan K Marshall.

Built in 2014, Cocoa Bean is custom-built for world-class luxury yacht chartering, offering a wealth of spacious living areas and fabulous amenities, you'll be in for a treat from the moment you step on board. She has sensational features such as an elevator, beach club and gym.

Guest Accommodation

Cocoa Bean offers guest accommodation for up to 12 guests in 6 suites comprising a master suite located on the main deck, one VIP cabin, two double cabins and two twin cabins. There are 6 beds in total, including 4 king and 4 singles. A crew of nineteen, who specialize in creating exceptional charters, are on hand to provide guests with a yacht charter vacation to remember.

Onboard Comfort & Entertainment

Keeping comfortable and entertained on Cocoa Bean is easy thanks to the available amenities, particularly a beach club for you to relax on the edge of the water. Maintain your fitness routine and work out in the well-equipped gym or soak up the bubbles in style in the deck jacuzzi.

Whatever your activities on your charter, you'll find some impressive features are seamlessly integrated to help you, particularly an elevator, making any part of the yacht quickly and easily accessible. Whether you want to work, use social media or stream movies on board this yacht, you can with Wi-Fi connectivity or guests will experience complete comfort while chartering thanks to air conditioning.

Performance & Range

Cocoa Bean is built with a steel hull and aluminium superstructure. Powered by twin Caterpillar engines, she comfortably cruises at 14 knots, reaches a maximum speed of 15 knots with a range of up to 6,000 nautical miles from her 242,266 litre fuel tanks at 13 knots. An advanced stabilisation system on board reduces the side-to-side roll of the yacht and promises guests exceptional comfort levels at anchor or when underway.

Cocoa Bean knows a thing or two about fun on the water, with a selection of water toys and accessories for you and your guests to enjoy whilst on charter. Take to the sea on the Jet Skis offering you power and control on the water. Also there are waterskis that are hugely entertaining whether you are a beginner or a seasoned pro. Additionally, there are two kayaks - a tranquil and relaxing way to pass the time. If that isn't enough Cocoa Bean also features scuba diving equipment, inflatable water toys, paddleboards and snorkelling equipment. Cocoa Bean features two tenders, but leading the pack is a 7.62m/25' Chapman RIB to transport you in style.

Cocoa Bean is available upon request for charter this winter. She is already accepting bookings this summer for cruising in the Mediterranean.

This ocean-going luxury charter motor yacht carries up to 19 professional crew who will cater to your every need.

TESTIMONIALS

There are currently no testimonials for Cocoa Bean, please provide .

Cocoa Bean Photos

Amenities & Entertainment

For your relaxation and entertainment Cocoa Bean has the following facilities, for more details please speak to your yacht charter broker.

Cocoa Bean is reported to be available to Charter with the following recreation facilities:

• 1 x 7.62m  /  25' Chapman Transition RIB Volvo 300 HP engine
• 1 x Riva Iseo Tender Yamaha 260 HP engine

For a full list of all available amenities & entertainment facilities, or price to hire additional equipment please contact your broker.

• + shortlist

For a full list of all available amenities & entertainment facilities, or price to hire additional equipment please contact your broker.

'Cocoa Bean' Charter Rates & Destinations

Summer Season

May - September

€550,000 p/week + expenses Approx $597,000

High Season

€650,000 p/week + expenses Approx $706,000

Cruising Regions

Mediterranean Croatia, France, Italy, Monaco, Montenegro

HOT SPOTS:   Amalfi Coast, Corsica, French Riviera, Sardinia

Winter Season

October - April

€600,000 p/week + expenses Approx $651,500

Please enquire .

Charter Cocoa Bean

To charter this luxury yacht contact your charter broker , or we can help you.

To charter this luxury yacht contact your charter broker or

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73m superyacht Yalla launched by CRN

Italian yacht builder CRN has launched its 73m superyacht Yalla .

CRN welcomed more than 1,000 guests to the launching ceremony of CRN 132 Yalla , held late this morning at its shipyard in Ancona, Italy. The launch ceremony included speeches from Alberto Galassi, new CEO of the Ferretti Group , Lamberto Tacoli, Chairman and CEO of CRN, Xinyu Xu, Vice-chairman of Weichai Group, and the Mayor of Ancona Valeria Mancinelli.

Part of the Ferretti Group,  CRN  specialises in custom yachts up to 90 metres in steel and aluminium. Yalla is the first yacht built by CRN on its new 12.5m beam platform. More than 430,000 hours from CRN and its subcontractors were spent on Yalla 's build, with contributions from 150 employees.

Exterior styling comes from Omega Architects in The Netherlands, in close collaboration with the CRN Engineering Department. The five-deck motor yacht features sleek, sporty lines and a streamlined profile. Superyacht Yalla 's interiors are by Droulers Architecture, working with CRN's Interiors and Design Office. She hosts up to 12 guests in its six cabins, including an owner's suite and VIP cabins, along with 22 crew members.

'Following the launch of CRN 133 61m superyacht a few months ago, we are proud to celebrate the launch of the new Yalla of 73m, which represents a challenge and an objective for the whole CRN shipyard,' says Lamberto Tacoli, Chairman and CEO of CRN. ' Yalla will mark another important result for the development of CRN in the world. A sincere thanks for the trust of the owner and for the work of all employees and subcontractors who have worked on the project, to the architects Franck Laupman of Omega Architects and to Droulers Architecture. I also thank our shareholder Weichai Group and the new CEO of the Group Alberto Galassi for their participation in this important event for CRN and for the whole Ferretti Group.'

The Ferretti Group currently has five superyachts underway at the Ancona shipyard, including the 74m CRN 131, 55m CRN 134, a Ferretti Custom Line CL 124, the 61m CRN 133 and the Riva 122 Mythos , which are at the delivery stage.

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Strange Glow Over Moscow Skies Triggers Panic as Explosions Reported

B right flashes lit up the night sky in southern Moscow in the early hours of Thursday morning, new footage appears to show, following reports of an explosion at an electrical substation on the outskirts of the city.

Video snippets circulating on Russian-language Telegram channels show a series of flashes on the horizon of a cloudy night sky, momentarily turning the sky a number of different colors. In a clip shared by Russian outlet MSK1.ru, smoke can be seen rising from a building during the flashes lighting up the scene.

Newsweek was unable to independently verify the details of the video clips, including when and where it was filmed. The Russian Ministry of Emergency situations has been contacted via email.

Several Russian Telegram accounts said early on Thursday that residents of southern Moscow reported an explosion and a fire breaking out at an electrical substation in the Leninsky district, southeast of central Moscow.

Local authorities in the Leninsky district told Russian outlet RBC that the explosion had happened in the village of Molokovo. "All vital facilities are operating as normal," Leninsky district officials told the outlet.

The incident at the substation in Molokovo took place just before 2 a.m. local time, MSK1.ru reported.

Messages published by the ASTRA Telegram account, run by independent Russian journalists, appear to show residents close to the substation panicking as they question the bright flashes in the sky. One local resident describes seeing the bright light before losing access to electricity, with another calling the incident a "nightmare."

More than 10 villages and towns in the southeast of Moscow lost access to electricity, the ASTRA Telegram account also reported. The town of Lytkarino to the southeast of Moscow, lost electricity, wrote the eastern European-based independent outlet, Meduza.

Outages were reported in the southern Domodedovo area of the city, according to another Russian outlet, as well as power failures in western Moscow. Electricity was then restored to the areas, the Strana.ua outlet reported.

The cause of the reported explosion is not known. A Telegram account aggregating news for the Lytkarino area described the incident as "an ordinary accident at a substation."

The MSK1.ru outlet quoted a local resident who speculated that a drone may have been responsible for the explosion, but no other Russian source reported this as a possible cause.

Ukraine has repeatedly targeted Moscow with long-range aerial drones in recent months, including a dramatic wave of strikes in late May.

On Sunday, Moscow Mayor Sergei Sobyanin said the region's air defense systems had intercepted an aerial drone over the city of Elektrostal, to the east of Moscow. No damage or casualties were reported, he said.

The previous day, Russian air defenses detected and shot down another drone flying over the Bogorodsky district, northeast of central Moscow, Sobyanin said.

There is currently no evidence that an aerial drone was responsible for the reported overnight explosion at the electrical substation in southern Moscow.

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M/Y Yalla. M/Y Yalla is a luxury yacht built by CRN Yacht and designed by Omega Architects, with interior design by Droulers Architecture. The yacht was delivered to its owner in 2014 and measures 73 meters in length. This superyacht has the capacity to accommodate 12 guests in 6 suites and is equipped with facilities for 22 crew members.

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YALLA es un superyate hecho a medida caracterizado por líneas elegantes, esbeltas y deportivas, que hacen que el perfil resulte especialmente fluido. Con sus 5 puentes, el megayate puede alojar en sus seis cabinas -la suite del armador y cinco cabinas VIP- hasta 12 invitados junto con los 22 miembros de la tripulación.

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YACHT ID NUMBER CRN 132 YEAR LAUNCHED 2014 LENGTH OVER ALL 73.00 m / 239 ft 5 in ... YALLA is a bespoke superyacht characterized by sleek, slender and sporty lines, which make the profile particularly streamlined. With 5 decks, M/Y she can host up to 12 guests in her six cabins, including the Owner Suite and VIP cabins, together with a crew of 22.

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YALLA a CRN Superyacht. If you have any questions about the YALLA information page below please contact us. YALLA hit the water in 2014 at the CRN shipyard in Ancona. She was built under the shipyard build number CRN 132 is a luxurious 73-metre displacement vessel. Her main characteristics include sleek, slender and sporty exterior lines by ...

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Italian yacht builder CRN has launched its 73m superyacht Yalla.. CRN welcomed more than 1,000 guests to the launching ceremony of CRN 132 Yalla, held late this morning at its shipyard in Ancona, Italy.The launch ceremony included speeches from Alberto Galassi, new CEO of the Ferretti Group, Lamberto Tacoli, Chairman and CEO of CRN, Xinyu Xu, Vice-chairman of Weichai Group, and the Mayor of ...

B right flashes lit up the night sky in southern Moscow in the early hours of Thursday morning, new footage appears to show, following reports of an explosion at an electrical substation on the ...

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