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O'Day 34
O'Day 34 is a 33 ′ 11 ″ / 10.4 m monohull sailboat designed by Raymond Hunt (C.R. Hunt & Assoc.) and John Deknatel and built by O'Day Corp. between 1980 and 1984.
Rig and Sails
Auxilary power, accomodations, calculations.
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL
Sail Area / Displacement Ratio
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64) 2/3
- SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D : Displacement in pounds.
Ballast / Displacement Ratio
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
Displacement / Length Ratio
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
Comfort Ratio
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )
- D: Displacement of the boat in pounds
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
Capsize Screening Formula
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
Became the O’DAY 35 in 1984 (with swim ladder on extended stern). Shoal draft: 4.30’ / 1.31m Tall rig: I: 45.83’ J: 14.0’ P: 40.75’ E: 13.67’ See O’DAY 35.
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O'Day 35
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O'DAY 34 Detailed Review
If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of O'DAY 34. Built by O'Day Corp. and designed by Raymond Hunt (C.R. Hunt & Assoc.), the boat was first built in 1980. It has a hull type of Fin w/spade rudder and LOA is 10.36. Its sail area/displacement ratio 16.51. Its auxiliary power tank, manufactured by Universal, runs on Diesel.
O'DAY 34 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about O'DAY 34 and decide if it is a fit for your boating needs.
Boat Information
Boat specifications, sail boat calculation, rig and sail specs, auxillary power tank, accomodations, contributions, who designed the o'day 34.
O'DAY 34 was designed by Raymond Hunt (C.R. Hunt & Assoc.).
Who builds O'DAY 34?
O'DAY 34 is built by O'Day Corp..
When was O'DAY 34 first built?
O'DAY 34 was first built in 1980.
How long is O'DAY 34?
O'DAY 34 is 8.76 m in length.
What is mast height on O'DAY 34?
O'DAY 34 has a mast height of 11.58 m.
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1984 O'Day O'day 34 Technical Specs
General data about o'day o'day 34.
| Brand | |
| Model | |
| Boat Type | |
| Category | |
| Year Of Production | |
| Condition (New/Used) | |
| Country | |
| Fuel (Gas/Diesel) | |
| Hull Material Used | |
| Length | |
| Selling Price | |
Engine and Power Specs
| Engine manufacturer | |
| Engine Series | |
| Engine Location | |
| Engine Hours | |
| Engine Horsepower | |
| Engine Drive | |
| Engine Built Year |
Dimensions And Wieght
| LOA (Length Overall) | |
| L.W.L(Length WaterLine) | |
| Dry Weight (Empty) | |
| Displacement (Weight) | |
| Boat Maximum Draft | |
| Boat Keel Type | |
| Beam Width | |
| Ballast System Weight | |
| BC (Bridge Clearance) |
Detailed Specifications
| Waste Water Tank | |
| Numebr of Cabins | |
| Number of Heads (Watercraft) | |
| Hull Type and Design | |
| Gas Tank Size | |
| Drinking Water Tank | |
| Berth (Mono/Single) |
Features And Equipments
O'day o'day 34.
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- O'Day provided us with the latest version of its O'day 34 service repair manual
- Find All mechanical and electrical parts and accessories of O'Day O'day 34 Sail here
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1982 O'Day 34 with additional specs
- Thread starter David Gore
- Start date Jul 25, 2001
- Oday Owner Forums
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For all of you that reply to my first article thank you much. I am looking forward to join your community of O’Day owners. The following is only a partial spec list of the boat that I am looking at. I tried to list only what I believed to be additional equipment. My wife and I checked the boat twice and we find her in great condition, our next step is to have a survey done sometime next week. ****************************************************************************** She is a one-owner cruising sloop upgraded for short-handed extended cruising by a knowledgeable and meticulous owner. This shoal-draft example looks less than half her age. She has performed well in cruising from Maine to Florida and the Bahamas. U-shaped galley with double ss sink, pressure hot and cold fresh water. Fresh water foot pump back-up. Two-burner gimbaled Seaward propane range with oven. Safety propane solenoid switch. Two 5 lb propane tanks in separate vented lockers in cockpit. Safety bar and cook's harness at stove. Plates, cups, tableware, and cookware. Adler-Barber Cold Machine refrigeration with small freezer compartment. Extra insulation has been added to the refrigerator. Freshwater system features a 6 gal. hot water heater with engine heat exchanger and 120v shore-power heater element. Electronics Increased capacity because of 12v refrigeration. Battery size limited by space so five Group 27 Prevailer get cells (new 1999) are hooked in parallel in a single bank with a total capacity of 430 amp hours. Wiring is in place to allow an engine battery to be separated out and separately charged, if desired. A Balmar 100-amp alternator is engine-driven, regulated by a BRS-12 regulator. A Guest 30-amp charger is powered by shore power. Fifty-foot 30 amp shore power cable. Shore power outlets are in the galley and head. An Aerogen-6 wind generator was new in 1999, and is mounted on a 1.5" aluminum mast with sound-insolating mounts. Standard running lights, masthead anchor light and foredeck flood light. Main Salon Bulkhead-mounted quartz clock and barometer. Two Hella fans. Upgraded halogen reading lights at each settee. Panasonic CD player/AM-FM radio. Ratelco solid-fuel cabin heater stove. Two opening ports. Overhead Bomar hatch with custom made hinged screen. Companionway hatch has custom folding screen insert. Deck Electric anchor windlass, Simpson-Lawrence Anchorman 700, with combined rope-chain gypsy and drum. Primary anchor stowed on bow roller is 44 lb Simpson-Lawrence Claw. The rode is 100' 5/16 high test chain and 150' 9/16 3-strand nylon, stowed in the self-draining locker. Salt water washdown pump is piped to anchor locker. Second anchor rode of 20' 5/16 high test chain and 200' 1/2 inch nylon is stowed in cockpit locker, with choice of Fortress FX23 or Danforth 20 lb anchor. Masthead Windex vane. Paratech 48" drogue. APEX 8.5 dinghy is rigid inflatable with 5 hp Yamaha outboard, both new in 1994. Dinghy carried on Kato Marine davits. Plastimo 6-person coastal life raft is mounted on custom rack on the main cabin roof, purchased April 1996 and inspected September 1999. Sunbrella cover for life raft. External antenna for cellular phone is mounted on stern pulpit and wired to Nav station. Rule 2000 gph electric bilge pump with float switch. Cockpit-mounted manual bilge pump. Emergency tiller. SeaFire automatic halon fire extinguisher mounted in engine compartment. Four fenders, dock lines, flares, 6 life jackets, 3 fire extinguishers, horn, bell, horseshoe buoy with strobe. Lifesling. Emergency boarding ladder, port side. Two nylon jacklines for safety harness. Mobri radar reflector. Outboard motor bracket for mounting to stern rail. Cockpit Edson pedestal steering with teak-rimmed wheel and custom Sunbrella cover. Steering cable replaced in 1998. Autohelm ST4000 Plus autopilot with remote control and spare drive unit. The display also serves as a cockpit repeater for GPS data. Ritchie pedestal-mounted compass. Datamarine log and depthsounder, bulkhead-mounted. Removable folding teak table mounted on pedestal guard. Molded plastic portable helm seat with custom teak plywood platform. Bimini and dodger of green Sunbrella. Custom Sunbrella awnings for main boom and bow. Cockpit hot and cold shower. Port and starboard lockers. SS swim ladder. Navigation Station Chart table has storage to fit BBA Chartbooks plus two drawers underneath. Magellan Chartmate GPS-plotter, with northern Chesapeake detail cartridge. Apelco 8500 VHF radio. ICOM hand-held VHF radio. Accumulating log readout. BBA Chartbooks from Nantucket to Key West, including the Chesapeake. The area aft of the chart table was once a quarter berth, but the cushion has been removed to allow for a large storage area. A custom storage rack is there to hold the companionway screen. Head Molded FRP sink, hot and cold water. Shower. Custom shelves added to storage cabinet. Two opening ports. Two-way entry doors. Groco HF marine toilet. Mansfield (Sea-Land) TDX Type I MSD, permits overboard discharge. Sails and Rigging Mainsail is original Neil Pryde, with added third row of reef points, in reasonable condition. Mainsail lazy-jack and cover combination device ("Lazy Cradle") by Ulmer-Kolius. Genoa is 135% by JSI, new in 1996, excellent condition, with Sunbrella sunshade. Working jib is original Neil Pryde, rarely used, in excellent condition, with Sunbrella shade. Cruising spinnaker is Hood MPS, in good condition, with furling sock. Rigging: Keel-stepped Isomat mast with conventional mainsail track slides. SS 1x19 wire standing rigging with single spreader and fore and aft lowers. Profurl LC32 jib furling rig, new in 2000. Furling line led aft to its own self-tailing winch. Forespar adjustable whisker pole stored on deck chocks. Jiffy (slab) mainsail reefing lines with individual stoppers and dedicated winch. Primary winches upgraded to Andersen 40 ST. Main sheet, main halyard, and jib halyard winches are original Barients. Three winch handles. Boom vang tackle and Cunningham. Other Features Universal diesel engine, model 5424, 3-cylinder, fresh water cooled, 24 hp, 4000 hours (estimated, hour meter was installed in August 1995). Excellent engine access and easy to service. Has an electric fuel-lift pump, extra Fram water-separator filter, and an oil-sump drain hose. Molded FRP drip pan under the engine. Heat exchanger replaced in 1994. Engine mounts, exhaust riser, and exhaust hose replaced in 1999. Two-bladed fixed propeller. Twelve volt watermaker, PUR Powersurvivor 35, 1.5 gal per hour installed in 1996. This is located under the starboard settee. Any comments or suggestions are welcome. Thanks
oday 34 sounds like a very well equipped boat. we have a group of people that own 34's and 35's if you want to send us any questions I'll add you to the address list. send me a note at [email protected] make sure you get a good surveyor. check out the deck well for any core water damage. how can you access the engine with the quarter berth used for storage. the batteries are back there and the tank and fuel pump. I like to keep this area clear in case I need to get in there quickly. everyone I've talked to loves there 34 or 35 almost no negative comments. dave
John Bowersett
34 comments Sounds like you found a boat that has just about everything. If you are going to be cruising on the Ches. Bay yo might want to uninstall some of the items like the like raft. The Kato davits sound real nice as they can be folded in so that the marina can't charge you for a bigger slip. You just need to find a place to store your dingy while at the dock. Many of the items that you listed, I'm guessing, are standard epuintment as my '82 has many of the same things that you listed. The nice thing is that you won't have to outfit it with a lot of new stuff. Where are you going to keep the boat if you buy it? I'm located on the Bay just south of West River in Deale at Herrington Harbour Norht. We have a couple of 34's there and would be glad to exchange info obout the boats any time. We also have an O'Day raftup in October where you talk to and tour other boats of this kind. Let me know how it goes. Yours, John Bowersett
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1986 O'day 35 Review
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shopping for an O'day after reading your interesting comments you may be able to shed some light. I I,m looking at two O'days at this time with swing keels and would like some comments and views. One is a 27 food 1987 sitting in salt water with a diesel westerbeke drive. The other is a 1986 with gas powered OMC sail drive inboard. I will be moving the 87 to fresh water if purchased. I now sail a 25 foot Macgregor swing keel she is fun and we spend a lot of time on board, but would like to go bigger for this is better. How do these boats compare and what could I expect in rough water, and winds greater than 25 knots. Steve
We owned a 1984 34ft O'day and had a blast with it - pointed well, quick turn of speed and very comfortable for a couple living aboard. My biggest gripe was the lack of a deep anchor locker... otherwise, what an excellent boat.... (We only sold her to return to the UK and buy a bigger boat to go around on - the O'day would have easily done it, but we wanted more storage space and a steel hull. The new owner of our boat is very happy with it and is continuing her meander throughout the Carib....)
Conclusion Hi Guys, I sold my O'day 35 in June of 2014. She was an excellent boat for my use: day sails, weekend cruises, week long cruises. My family of five and I had a lot of fun with that boat. Now the new owner will have his own adventures. I have to say that O'day built a great boat. She was 28 when I sold her. The hull was still in good condition. The engine had close to 4000 hours when I sold it and still ran great. The mast and boom were fine. I had changed the standing rigging in 2012, the original rigging lasted over 25 years in salt water and had no problems. The Barient winches worked great (I gave them regular maintenance). The ports and hatches were cloudy but still serviceable and most didn't leak a drop (the hatch in the vberth would leak a few drops if green water came on deck). The rudder was original, it had some water in it, but most boats do. The electrical system was mostly original - I had rewired the engine panel but the rest was stock and still functional. All the running lights worked and same thing in the interior, although I did change a number of interior lights to low draw LED or CFL. Overall I was very happy with my O'day experience. Barry
Thanks for the great info! We're in the market to downsize to something in the low to mid 30's and the O'day 35 is on the short list for sure. Haven't gotten on one yet but from what I've seen and read online, it looks like one of the best values going in that size range.
Also consider the Cal 33-2. From the same parent company, same designer, higher performance, a step up in overall quality. Most are listed for $35k to $45k.
I looked at and sailed several Cal 33-2s prior to buying my O'day 35. Pricing was comparable to the O'35. However the smaller interior, no swim platform, and the U shaped setee were factors in my decision not to buy one. However, it might be worth starting a separate thread on the virtues of the Cal 33-2.
bobperry said: I know for a fact that round settees don;t work worth a damn. The human body seeks corners. Click to expand...
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O'DAY 34. Save to Favorites . Beta Marine. BOTH. US IMPERIAL. METRIC. Sailboat Specifications Definitions Hull Type: Fin w/spade rudder: Rigging Type: Masthead Sloop: LOA: 34.00 ft / 10.36 m: LWL: 28.75 ft / 8.76 m: S.A. (reported): ... CSF = Beam/Disp (cubic ft)^.333. The displacement in cubic feet can be found by dividing the displacement in ...
The O'day 34 is a 34.0ft masthead sloop designed by C. Raymond Hunt Assoc./J. Deknatel and built in fiberglass by O'Day Corp. between 1980 and 1984. 241 units have been built. The O'day 34 is a moderate weight sailboat which is a reasonably good performer. It is very stable / stiff and has a low righting capability if capsized.
O'Day 34 is a 33′ 11″ / 10.4 m monohull sailboat designed by Raymond Hunt (C.R. Hunt & Assoc.) and John Deknatel and built by O'Day Corp. between 1980 and 1984. ... The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D ...
For comparison, the J/35, an extremely popular and successful racer/cruiser of about the same era, has a displacement/ length ratio of 165 and a sail area/displacement ratio of 21.8. While O'Day's numbers certainly don't reflect an all out racer/cruiser, none the less, the 34/35 is a decent performer and, when well equipped and sailed, is ...
The Oday 34 is a 34.0ft masthead sloop designed by C. Raymond Hunt Assoc./J. Deknatel and built in fiberglass by O'Day Corp. between 1980 and 1984. 241 units have been built. The Oday 34 is a moderate weight sailboat which is a reasonably good performer. It is very stable / stiff and has a low righting capability if capsized.
O'DAY 34 Detailed Review. If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of O'DAY 34. Built by O'Day Corp. and designed by Raymond Hunt (C.R. Hunt & Assoc.), the boat was first built in 1980. It has a hull type of Fin w/spade rudder and LOA is 10.36.
Specifications. Years produced Number produced Overall length Waterline length Beam ... 301.0 sq. ft. 43' 0" 14' 0" 38' 0" 11' 9" 4,650 lbs. 11,500 lbs. Universal 24HP 3-cylinder diesel 30 gallons 50 gallons. O'Day 34 brochures. Related web sites. Advertising that featured the O'Day 34 ...
1981 O'Day O'day 34 Technical Specs. ... Brand: O'Day: Model: O'day 34: Boat Type: Sail: Category: Cruiser (Sail) Year Of Production: 1981: Condition (New/Used) Pre-Owned (Used) Country: Muskegon, Michigan : Fuel (Gas/Diesel) Diesel : Hull Material Used: Fiberglass : Length : 10.36 m / (34.00 ft) Selling Price: 24.900 (USD) Service repair ...
In the beginning George O'Day Associates was only a distributor for several brands of small Sailboats. Some were produced by Fairey Marine of England and Marscot Plastics in the USA. (O'Day took over Marscot in 1958 to build the RHODES 19.) ... O'DAY 34: 34.00 ft / 10.36 m: 1980: O'DAY 35: 35.00 ft / 10.67 m: 1984: O'DAY 37: 37.00 ft / 11.28 m ...
Data And technical specifications of O'Day O'day 34 equipments, fuel economy, dimensions, weight, engine power and prices . Sea Ray; Beneteau; ... (34.00 ft) Selling Price: 19.980 (USD) Service repair manual: O'Day O'day 34 Manual: ... Boat Maximum Draft: 1.65 Meters / (5 feet and 5 inch) Boat Keel Type: Undefined :
Wiring is in place to allow an engine battery to be separated out and separately charged, if desired. A Balmar 100-amp alternator is engine-driven, regulated by a BRS-12 regulator. A Guest 30-amp charger is powered by shore power. Fifty-foot 30 amp shore power cable. Shore power outlets are in the galley and head.
Boat Info Menu. Oday Downloads. General Marine Downloads. Upload A Document. General marine downloads. 1966 Manual_DS I-Javelin-Osprey (531 Kb) uploaded by Sunbird22358 1971 Manual-DS II-ODAY 15-Javelin-Widgeon (1,323 Kb) uploaded by Sunbird22358 1990 C30 Operation and Maintenance Manual (20,678 Kb) uploaded by dj2210 2QM15 Operators Manual ...
The O'day 35 is a typical 'racer / cruiser' of the mid 80's. It's a typical production boat. Build quality is acceptable, it wasn't designed to cross oceans, and I don't plan on it. Good things: Value - You should be able to purchase an O'day 35 for mid 30's, low 40's, depending on condition of course.
Find O-day boats for sale in your area & across the world on YachtWorld. Offering the best selection of o-day boats to choose from. ... 1984 O'Day 34. US$24,995. ↓ Price Drop. SAN DIEGO YACHT SALES | San Diego, California. Request Info; ... 1988 O'Day 322. US$18,900. Sailboats Northeast | Marblehead, Massachusetts. Request Info; 1985 O'Day 35.
Once the largest sailboat manufacturer in the United States, the company O'Day was created in 1958 by America Cup sailor George O'Day. Creating a wide variety of sailing vessels ranging from day-sailers to 40-foot yachts, O'Day success was accredited the mass production of fiberglass boats and the adoption of high build quality.
Sailboat Specifications Definitions Hull Type: Fin w/spade rudder: Rigging Type: Masthead Sloop: LOA: 35.00 ft / 10.67 m ... Similar to O'DAY 34 but with swim ladder on extended stern which accounts for extra length. Shoal draft: 4.25'/1.29m ... (cubic ft)^.333. The displacement in cubic feet can be found by dividing the displacement in pounds ...
Owner modifications, manuals, boat reviews, photos, owner directory, boats for sale, much more! Forums Jump to Forum Ask A Hunter Owner Cherubini Hunters Bigger Boats Mid-Size Boats Smaller Boats Day Sailers
Built under license from Jeanneau. In France called SUN FIZZ. Both companies at the time were owned by Bangor Punta. Later redesigned by Hunt Assoc. as the O'DAY 40. Shallow draft version: Draft: 4.90′ / 1.49m Disp.: 18700 lbs./ 8482 kgs.
Sailboat Specifications Definitions Hull Type: Keel/Cbrd. Rigging Type: Masthead Sloop: LOA: 31.58 ft / 9.63 m: ... 12.75 ft / 3.89 m: P: 34.00 ft / 10.36 m: E: ... (See also O'DAY 32 KETCH.) Sailboat Forum. View All Topics:
Sailboat Specifications Definitions Hull Type: Fin w/spade rudder: Rigging Type: Masthead Sloop: LOA: 29.92 ft / 9.12 m: ... Reintroduced (with extended stern) as O'DAY 31 (1985). Similar to the RANGER 30. Sailboat Forum. View All Topics: ... HS = 1.34 x √LWL (in feet) Pounds per Inch Immersion:
Discount Sails-O'Day_25. Electric Yacht. New Rudders. Sail Trailers. SeaWaterPro. SBD App - BR. top 1 ads row1. top 2 ads row2. top 3 ads row2. O'DAY 25. Save to Favorites . Beta Marine. BOTH. US IMPERIAL. METRIC. Sailboat Specifications Definitions Hull Type: Keel/Cbrd. Rigging Type: Masthead Sloop: LOA: 24.83 ft / 7.57 m ... HS = 1.34 x ...