o'day 23 2 sailboat specs

O'day 23 2

The o'day 23 2 is a 23.0ft masthead sloop designed by c. raymond hunt assoc. and built in fiberglass by o'day corp. between 1978 and 1984., 1000 units have been built..

The O'day 23 2 is a moderate weight sailboat which is a reasonably good performer. It is stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.

O'day 23 2 for sale elsewhere on the web:

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O'DAY 23-2 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 23-2. Built by O'Day Corp. and designed by Raymond Hunt (C.R. Hunt & Assoc.), the boat was first built in 1978. It has a hull type of Keel/Cbrd. and LOA is 6.93. Its sail area/displacement ratio 17.37. Its auxiliary power tank, manufactured by undefined, runs on undefined.

O'DAY 23-2 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 23-2 and decide if it is a fit for your boating needs.

Boat Information

Boat specifications, sail boat calculation, rig and sail specs, accomodations, contributions, who designed the o'day 23-2.

O'DAY 23-2 was designed by Raymond Hunt (C.R. Hunt & Assoc.).

Who builds O'DAY 23-2?

O'DAY 23-2 is built by O'Day Corp..

When was O'DAY 23-2 first built?

O'DAY 23-2 was first built in 1978.

How long is O'DAY 23-2?

O'DAY 23-2 is 5.94 m in length.

What is mast height on O'DAY 23-2?

O'DAY 23-2 has a mast height of 7.14 m.

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Reviews of O'day 23 sailing features

• Thread starter O'dayO'boy
• Start date Oct 9, 2010
• Oday Owner Forums
• Ask An Oday Owner

I have sailed for many years... 10 with an O'day outlaw... then to a marinner which I love for trailerability and overall ease of sailing. I need something bigger but still trailerable... my objectives are 1) Trailerable 2)easy mast set up and take down with a friend 3) easy to single hand... have some health issues and will want to have roller furling jib... 4) something that can point up nicely, sail comfortably in a variety of winds...light breezes to strong winds (up to 25 kt).... 5)I often take people out who are not experienced so need to easily be able to tend sails myself.... 6)I often "gunk hole" and like sleeping on boat and enjoy living simply, is the boat like a cork bobbing around or does it set reasonably well... I have looked at 2 boats so far... the 23' shoal keel o'day seems interesting, how stable is it? how much of Jib would be advisable? (150?) It seems like it might be more stable then the 23' wing keel hunter... Any suggestions about the o'day's ability to meet my needs? Any suggestions for a more suitable boat? Thanks for sharing your thoughts and experience!  

1) Trailerable It's a relatively heavy boat for trailer sailing, from what I understand. We keep ours in the water and have not found it a difficult boat to launch and take out, but we only trailer it to and from the ramp. 2)easy mast set up and take down with a friend It's not a quick set up, but with a friend and with a few tries under one's belt, I think around an hour rigging is probably about normal for trailer sailing. 3) easy to single hand... have some health issues and will want to have roller furling jib... Easy to single hand. I sail mine with my nine year old "first mate", which at times is a little like single handling. Of course, you want your lines leading aft and you might want to think about changing from horn cleats to cam cleats for the jib sheets, as others here have mentioned in similar threads. 4) something that can point up nicely, sail comfortably in a variety of winds...light breezes to strong winds (up to 25 kt).... I don't know that it points particularly well, but it suits my leisurely cruising needs. It's a tender boat because of shoal keel. I don't sail in strong winds, but have found that reefing the main makes a tremendous improvement in winds above, say 10-12 knots. I know people here sail the 23 in places where 25 knots is not uncommon. 5)I often take people out who are not experienced so need to easily be able to tend sails myself.... No problem there. The one thing I've found that throws beginners is the initial tenderness. But tending yourself is not a problem- the rig is easy and relatively simple. 6)I often "gunk hole" and like sleeping on boat and enjoy living simply, is the boat like a cork bobbing around or does it set reasonably well... Works great for two people, but not more. We have two young kids, so it's not a problem, but when they grow I imagine we won't all be staying out over night. I have looked at 2 boats so far... the 23' shoal keel o'day seems interesting, how stable is it? how much of Jib would be advisable? (150?) It seems like it might be more stable then the 23' wing keel hunter... I have a 130 on my boat with an old Hood furler which does not reef, so I tend to reef my main early. Also, I'm on a lake where light winds are more common, so a 150 would be all right. Any suggestions about the o'day's ability to meet my needs? Any suggestions for a more suitable boat? A Catalina 22 is probably a lot easier to trailer sail, but it doesn't have the cabin accommodations that you get with an ODay23. No enclosed head, less room below, generally. I like my 23 a lot, but if I had to trailer it I might consider something lighter.  

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Review of O'Day 23 Mk II

Basic specs., sailing characteristics.

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

What is Capsize Screening Formula (CSF)?

The capsize screening value for O'Day 23 Mk II is 2.10, indicating that this boat would not be accepted to participate in ocean races.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 5.9 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for O'Day 23 Mk II is about 95 kg/cm, alternatively 537 lbs/inch. Meaning: if you load 95 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 537 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

What is Motion Comfort Ratio (MCR)?

What is L/B (Length Beam Ratio)?

What is Displacement Length Ratio?

What is SA/D (Sail Area Displacement ratio)?

Maintenance

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what to look for.

We are always looking for new photos. If you can contribute with photos for O'Day 23 Mk II it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us . Criticism helps us to improve.

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O’Day 22

A nice cockpit, a touch of privacy and good looks, but performance is not a strong suit here..

O’Day Boats was around a long time by fiberglass boatbuilding standards—about 30 years. Originally O’Day was a leader in small boats typified by the Fox-designed Day Sailer.

By the early ’70s O’Day had moved into the trailerable cruising boat market. In the meantime the firm was acquired by Bangor Punta along with such other major boat builders as Cal and Ranger Yachts. In later years, with the decline in volume sales of small boats, O’Day had problems. To help alleviate these, O’Day produced larger and larger boats, first a 30, then a 32, and more recently a 34 and a 37.

All the cruising size boats in the O’Day line were designed by C. Raymond Hunt Associates in one of the most enduring designer-builder relationships in the industry (rivaled, in fact, only by Bill Lapworth’s tenure as Cal’s house designer and Bruce King’s with Ericson Yachts). The result of the relationship is a family resemblance in the O’Day line that is more than superficial. What proves popular in one boat is apt to be adopted in subsequent kin. Therefore, any study of the O’Day offerings over the years reflects a process of evolution.

When it was introduced, the O’Day 22 was touted as a competitive contender on the race course, a contrasting companion to the rather hazy 23-footer which it would soon phase out. The 22 had a masthead rig, a stylish rake to the transom, shallow (23″) draft with a short stub keel and no centerboard, light weight (advertised 1,800 lbs) for trailering, and a price under $3,000.

Later, the 22 acquired a fractional rig, a centerboard, 300 advertised pounds and a price tag almost $7,000 higher.

Construction

O’Day once set a standard for small boat construction and styling. That was before on and off labor problems in its plant, management changes under Bangor Punta, the decline in sales of boats in its size range, and increasingly fierce competition for buyers who became more cost than quality conscious. The later O’Day 22s were, frankly, a mixed bag of quality and shabbiness.

The spars, rigging, and hardware are as high quality as we have seen in comparable boats. Our only reservation is with the stamped stainless steel hinged mast step that we know from personal experience requires a steady hand and boat when raising or lowering a mast.

We also think that a mainsheet which terminates in a cam action cleat 16″ up the single backstay may be economical and simple but it is neither efficient nor handy, again a reflection of scrimping to keep price low.

The quality of O’Day fiberglass laminates was historically high but there have been reader reports of gelcoat voids and there is consistent evidence of print through (pattern of laminate in gelcoat). Exterior styling and proportions are superb, an opinion iterated by owners who have returned the PS Boat Owners’ Questionnaires. The O’Day 22, despite her age, is still not outdated.

On a boat of this size and price, a minimum of exterior trim is understandable. What is less understandable is the poor quality of the interior finish and decor. Belowdecks the O’Day 22 epitomizes the pejorative label Clorox bottle , used to describe fiberglass boats. Sloppily fitted bits of teak trim are matched against teak-printed Formica, at best a tacky combination. Cabinetry, such as there is, is flimsy, and in general the whole impression is of lackluster attention to details.

Performance

Without a centerboard the O’Day 22 simply did not have the performance to go with her racy image. Even with the centerboard she is hardly a ball of fire under sail. She does not point well; tacking through 100 degrees is not uncommon and she is tender, with a disconcerting desire to round up when a puff hits. In light air, with her 3/4 fore triangle and working jib she is under-canvassed and sluggish. In such conditions a genoa with substantial overlap is essential.

Since changing jibs is at best a dicey exercise on a 22 footer, the first step in reducing sail is to reef the mainsail. Jiffy reefing is standard and owners of the O’Day should have a system in good working order and know how to use it. Owners of the boat in waters where squalls are a threat may also want to consider roller furling for the larger jib, trading off the loss of performance and added cost for such a rig for the convenience and, in the case of this boat, the safety.

The O’Day is most hurt in light air downwind and most owners will want either an 8′-or-so whisker pole for winging the jib, or a spinnaker. It is a fun boat on which to learn spinnaker handling. With her fractional rig the spinnaker is relatively small and yet the boat is big enough to provide a foredeck platform for setting the sail.

The trouble is that the O’Day 22 scrimps on the hardware needed for ease of handling with or without a spinnaker. The two #10 Barient sheet winches are, in our opinion, inadequate for anything larger than a working jib and we suggest replacing them with optional #16s. Similarly, the working jib sheets lead to fixed blocks whereas lengths of track with adjustable blocks (fitted to some boats as an option) are far better for optimizing sail trim.

The O’Day did not come with halyard winches as standard. It is a large boat for setting and reefing sails with hand tension alone. Most owners will want at least one small winch (#10) on the cabin roof, with the jib and main halyards led aft through jam cleats or stoppers to the winch.

The fairing of the O’Day 22 underwater is better than average, helped by the fact that the lead ballast is encapsulated in the fiberglass hull molding. The centerboard will, however, be difficult to maintain.

Like many other boats of her size on the market, the O’Day 22 is basically a daysailer with incidental overnight accommodations, notwithstanding that her builder (or its ad agency) made much of its questionable comfort, privacy, and space.

The cockpit of the O’Day is almost perfect: a spacious 6-1/2′ long, the seats are spaced to allow bracing of feet on the one opposite, and the coaming provides a feeling of security and serves as a comfortable arm rest. It is also self-bailing although the low sill at the companionway means that the lower hatch board must be in place to prevent water going below in the event of a knockdown.

Seat locker space is excellent for a boat of this size with quarterberth below and we like the separate sealed well for the outboard remote gas tank (but not the fact that the hose can be pinched in use).

O’Day literature boasts berths for two couples in “absolute privacy.” Privacy in a 22 footer has to be one of the more relative features. A sliding door encloses the forward cabin and another, the head.

The layout of the O’Day 22 is a noteworthy example of the tradeoff between an enclosed head and berth space. It does indeed have a head area that can be enclosed, a rare feature indeed on a boat of this size. With a conventional marine toilet and throughhull discharge where permitted, this would be a most serviceable facility.

The tradeoff is a pair of terrible vee berths forward. Coming to a point at the forward end, there is simply not enough room for two adults on even the most intimate terms. They are thus suitable only for a pair of small children who do not suffer from sibling rivalry.

By contrast the two settee berths in the main cabin are a bit narrow but a fit place for two adults to sleep. In contrast to the dinette layout of other boats, we think the more traditional layout of the O’Day would be the choice for most owners, especially those cruising with children. However, the settees are not comfortable to sit on, lacking as they do backrests.

The initial version of the O’Day had the then fashionable dinette arrangement but this was quickly replaced by a pair of opposing settees. We doubt if many owners would bother setting up the portable cabin table between the berths, as it prevents the fore and aft passage through the cabin.

The galley with its small sink and space for a twoburner stove is rudimentary but adequate for a boat of this size, Inadequate is the bin/hanging locker opposite the head. Its usefulness escapes us. Enclosed, it could have been better used space. But then the O’Day 22 desperately needs stowage space.

Conclusions

At a minimum trailering weight of 2,200 lbs. (more realistically 2,500 plus the trailer), the O’Day 22 is above the maximum for trailering without a heavy car and special gear.

If she isn’t going to be trailered and launched off a ramp, the 2′ minimum draft is an unwarranted sacrifice of performance and stability. We would look for a fin keel boat unless shoal draft is the highest priority.

On the other hand, with some additional sails and hardware the O’Day 22 should appeal to the sailor who wants a minimum size (and therefore price) boat primarily for daysailing and occasional weekend cruising (maximum one couple plus two young children).

Clearly the O’Day 22 is a minimum boat built tightly to a price. She is attractively styled. As she is apt to be a first boat, resale is important. O’Day boats have enjoyed good value on the used boat market. For about $6,000 for a ten-year-old model, you get a sleek looking small boat with a good cockpit, a modicum of privacy and two good berths. You also get a schlocky decor and a slow boat.

RELATED ARTICLES MORE FROM AUTHOR

hi, do you sell parts for boat 22ft o-day ? are you in england ? the part i want is the part the black boat

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Boat Profile

O’Day Day Sailer

A proven performer for 61 years

From Issue   July 2019

T he production of small boats was booming in the 1950s on both sides of the Atlantic, and really took off in the late ’50s with the introduction of fiberglass. Famed designers Uffa Fox and George O’Day teamed up in 1956 to create the O’Day Day Sailer. Fox is credited with introducing the technique of planing to dinghy racing and designed many significant classes of boats, including the International 14. The story goes that Fox wanted a pure racing dinghy but O’Day wanted the small cuddy added to increase appeal to the recreational market in the U.S., so Fox designed the planing hull and O’Day designed the cuddy. The resulting Day Sailer was a 16’9” centerboarder with a displacement of 575 lbs, which makes for a light load to tow behind the family car. The fractional sloop rig includes a generously sized spinnaker for exciting downwind sailing.

The first Day Sailer was sold in 1958 and immediately became popular in the recreational and racing markets. It was later designated as the Day Sailer I as four different models have since been built, with over 10,000 boats hitting the waterways. Day Sailer (DS) models I through III have been built by eight different manufacturers, with the current Day Sailer being a modified DS I with a few DS II attributes, such as the internal foam flotation and cuddy thwart. The original DS models I, II, and III were built from 1957 to 1990 by the O’Day Company in Fall River, Massachusetts. The DS I and modified versions of it were later built by Can-AM Sailcraft, Rebel, Spindrift, Precision, McLaughlin, Sunfish/Laser Inc. The current builder of the DS I+ is the Cape Cod Shipbuilding Company (CCSC) in Wareham, Massachusetts, holder of the exclusive license since 1994. The Day Sailer Class Association owns the molds that are currently used by CCSC.

The long side benches in the cockpit provide uncrowded seating for six. The sole is above the waterline and is self-bailing.

The early DS I can be identified by wooden thwarts, seats, and cockpit sole, a centerboard lever, open cuddy, and a transom deck. The DS II came out in 1971 with built-in foam flotation. The cuddy opening is smaller than the opening on the DS I because it also acts as a thwart, and a thinner transom allows mounting a small outboard motor without the need for a bracket. The Day Sailer I and II are considered class legal for one design racing, but the DS III is not considered race-legal due to higher freeboard on the transom, which was a departure from Fox’s hull design. O’Day built the III from 1985 to 1990, so to race in One Design regattas it is important to buy a DS I or DS II. The current Day Sailer in production is a modified version of the DS I with improved self-rescuing capabilities, two sealed air tanks, and a cuddy flotation tank with a smaller hatch.

The Day Sailer, no matter which model, is a very versatile boat, easy to rig, sail, transport, and store. With the mast down the boat and trailer take up just a few feet more than an average family car, so can be stored in most garages, though the mast may need to be stowed diagonally. At the ramp, the Day Sailer can be rigged in under 30 minutes: step the mast, add the boom, bend on the jib and main, clip the pop-up rudder onto the transom, and sort out the sheets.

Stepping the mast is the biggest challenge. The 23′4″-long racing mast is stepped through the top of the cabin onto the maststep fixed to the floor of the cuddy, and that can be tricky for one person. The mast does not weigh much, but it is helpful to have a helper at the foot of the mast to guide it into the cuddy opening. The good news with this arrangement is that once the mast is stepped, it is secure, and there’s no rush to attach the forestay.

A mast hinge, a popular option, makes raising the mast much easier.

About 75 percent of the new boats are delivered with a hinged mast, eliminating the awkward gymnastics of stabbing the mast through the cuddy. Once the mast is raised and the forward hole on the hinge pinned, securing the forestay to the bow fitting takes the strain off the hinge. Side stays can then be tightened to take out the slack, but no more than hand tight. Stays that are too tight can damage the hull. Tighten the nuts on the turnbuckles and tape over any cotter pins.

There are different sheeting arrangements for the boom. Some boats have sheets attached in the middle of the boom; the sheet on a DS II starts from a traveler on the transom and ends forward on a swivel cam cleat mounted to the centerboard case. The DS II boom also has a spring in the gooseneck that allowed for roller furling— disconnect the sheet, pull the boom aft, and roll the sail onto the boom. A reefing claw has to be added to connect the sheet to the sail-wrapped boom, but this design is not optimum, nor is the wad of rolled-up sail by the boom’s gooseneck. A better arrangement is to add a conventional set of reefpoints to the mainsail. The boom also has a vang to improve sail control.

The 6′ 3″ beam gives the Day Sailer good stability, enough to keep the boat under someone standing on the foredeck.

The jib on the racing version of the DS is a standard affair, attached with hanks onto the forestay and raised with a halyard. Some skippers add a downhaul to lower the jib from the cockpit. Both the main and jib halyards are led aft on the top of the cuddy. The recreational version of the new DS I comes with a roller-furling jib, which we consider essential for sailing dinghies, especially if singlehanding. We have added a roller-furling jib to our DS II along with the mast hinge. We also added the hardware and rigging for a spinnaker, halyard, spinnaker pole, spinnaker pole control lines, sheet blocks, and jam cleats.

T he Day Sailer is a treat to sail; it handles well, tacks with ease, and powers up quickly with its large sail area. The planing hull is responsive to the tiller, and the wide beam makes it stable. The boat will roll quickly but then sets on a tack, holding it with stable and positive helm control. The centerboard can be easily adjusted from amidships.

We sail a Drascombe Lugger and a Sunfish; the Lugger drives like the family sedan and the Sunfish like our Mustang. The Day Sailer handling is closer to that of the Sunfish—when the breeze picks up, the mainsheet needs to be held in the hand and someone should be ready on the jibsheets. The jibsheets run through the coaming on the DS I and through small cars on the DS II. For the highest performance, skippers have added tiller extensions and hiking straps. There is an outhaul on the battened main; racing versions have barber-haulers and travelers added. Pop the spinnaker, and it will scoot along quite nicely in a light breeze.

The Day Sailer carries 100 sq ft in the main, 45 sq ft in the jib and, for sailing off the wind, another 95 sq ft in spinnaker.

The Day Sailer’s 7′ 4″-long cockpit provides plenty of room for three adults, or two adults and two kids. With four adults it gets cozy; there is not much moving around, so whoever is sitting next to the tiller or foredeck needs to know what to do. It is easy to depower the main, reef it, or furl the jib as needed.

The cuddy is spacious for storing picnic or camping gear, and it affords a space equivalent to a two-person backpacker tent for sleeping aboard for overnight cruising. Adding a topping lift makes the boom nice ridgepole for a boom tent; there’s plenty of room to sleep in the uncluttered cockpit. The Day Sailer has completed many endurance cruising events, such as the Texas 200, Florida 120, and the Everglades Challenge.

A small kicker can be added for auxiliary power. We have used both an electric trolling motor and gas outboard, with best results coming from a 2-1/2-hp four-stroke that pushed push the boat to 6 knots at one-third throttle. The DS I will require a bracket to support and outboard; the DS II transom is thin and sturdy enough for a direct mount. If we’re not going far from home, we occasionally skip the outboard and carry a paddle; with her low coaming we have paddled her a bit, even backward over the transom.

The transom of the Day Sailer II will accommodate an outboard for auxiliary power. The Day Sailer I will require a bracket.

D ay Sailers are easy to find and inexpensive, considering their capabilities. If you come across one, there are few important things to check. Make sure the centerboard moves in the trunk, see that the forestay tang and bow seam are not pulled up, inspect the cuddy deck for noticeable depression which would indicate failure of the maststep under the cuddy floor, and if it is a DS II look inside the flotation compartments. Rinse her off and get her ready to sail. There is a great Day Sailer Association with a web-based forum, and excellent parts availability.

Audrey and Kent Lewis enjoy time with CYANE, along with their small fleet of kayaks, canoe, sailboats, and lapstrake runabout. They blog about their adventures on smallboatrestoration.blogspot.com

Day Sailer Particulars

Length/16′ 9″

Draft, board up/9″

Draft, board down/3′ 9″

Displacement/575 lbs

Main/100 sq ft

Jib/45 sq ft

Spinnaker/96 sq ft

The Day Sailer is built by Cape Cod Shipbuilding Company . Prices start at $18,335 (less sails). For more information about the Day Sailer Class, visit the Day Sailer Association .

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Comments (35)

Great article Kent! I have a sister to your boat, right down to the racing mast and blue hull!! But since we’re moving to the Pacific NW, I’m about to sell it. I’m limiting myself to only 3 boats for the move (and it’s a hard sorting out!!!!). Great write-up about a fantastic boat! Thanks! Charlie

My father was George O’Day. It is nice to know the basic design that my Dad helped create is still vibrant 60 years later. I always find it interesting since Dad was a pure racing sailor that he designed a boat and saw the importance of appealing to the recreational aspect of sailing. He wanted to open the door to the bigger audience to share his passion of sailing.

I sailed with your father on a Hobie 16 at a Red Cross small craft instructor program. So much fun sailing with a legend.

Charlie we know it’s hard, the Day Sailer is such a timeless boat. If she has to change skippers, find her a good one.

Miss Beth, so wonderful to hear from a family member, it must have been quite an adventure to grow up around boating and racing. That Day Sailer hull was Cap’n Jack’s favorite, we enjoyed looking at it. Thank you for the insight into your family’s history.

Cheers, Skipper and Clark

I’ve had an O’Day for years, my first sailboat. I love sailing her around our little lake.

This boat is the best for a small family. In Brazil it’s a great option.

O’Day DS was my first brand-new boat. I was a “veteran”of maybe six months sailing in the late 1960s and she taught me to love sailing.

Great boat design. I’ve sailed different ones on and off over the years. Still a favorite.

Beth, your father made great boats as my father still has an O’Day 20 he bought new in ’76 and it’s still like new and a great sailing boat!

I recently bought a 1966 model after downsizing from a Viking 28. My father owned a Rhodes 19 and we sailed that boat for years on the western end of Lake Ontario. The design was similar, so the transition to the 16 was easy. I love the boat because even in high winds I can make a simple adjustment to the main with reef points. Solo sailing is fun and safe. I can see why so many were sold.

Hello, I just bought O’day sailboat. I do believe from what I’ve been reading that it’s a Daysailer 1. I was told this boat has never been registered and never had a kicker motor on it, I can’t find the metal tag on the transom but I see the two rivet holes where it should have been. Is there any other place on this boat to find the serial number? I would like to put a kicker on it and register it and, if not, is there a way to register this boat? Thank you for helping

The requirements to register a small boat that has not been registered before is different for each state. In NY, a boat is registered through the DMV. HIN numbers are placed on the right side of the transom. If you do not have one your boat was made prior to 1972.

Thank you for the reply, I’m working on getting a HIN number now.

Check with O’Day. Some manufacturers hide a second HIN onboard. Worth a shot.

My boat has a plate on the inside toward the front of the boat. On the bulkhead (might not be the right term) behind the mast. You’ll have to crawl into the cubby to see it. It’s a little plate 2″ x 4″ and shows Hull no. and Class no. The paperwork I have says the boat was made in 1967. Does anyone know the difference between Hull number and Class number?

Can anyone give me today’s value of a 1960 O’Day Day Sailer, #333, with a small motor that goes on the mount with sails that all sit on a Dilly trailer? It has all the original woodwork that my husband redid. It does not have a spinnaker but has the jib and main and a Proctor mast.

My daughter and I are looking for an older (less expensive) sailboat. Not sure where your at , we are South of Boston. The O’Day is our first choice. If you are going sell, please reply to this comment. Thanks

[I’ll connect sellers to John. Ed.]

16′ O’Day Day Sailor with trailer and motor

2013 DS for sale in Sharon,MA. needs work on floatation tanks

At 30 years old, I just bought my first sailboat which is a 1965 DS I. The boat has sat for a few years and she needed a good power-washing plus painting of the hull and inside the cubby and several new lines. I’m completely inexperienced with sailing (plenty of time cleaning boats, though) and couldn’t be happier to learn on such a beautiful vessel. Thanks for this article! It’s great to get some background info. Plus, plenty of words to highlight as I expand my boating vocab.

Day Sailers are easy to find? I guess you know where to look (certainly no offers in Craigslist). I have not been lucky enough to come across a good one that is 10 to 20 years old. I live in Massachusetts. Would you mind sharing where to look for one?

I have an O’Day day sailer 16.5 ‘ up for the taking. Our family had years of good times sailing and camping with It. Great family boat. Wooden seats and rails. Needs some work. In central Massachusetts

I am assuming you have gotten rid of your O’Day day sailer – if not, I may be interested. I’m new to sailing at 57 years young! I just took lessons at KYC here in Blue Hill, ME and am looking for a great starter boat that I can learn in and have fun on the bay.

Thanks, Kelly

Actually, I just bought a 1989 DS2 from Craigslist, on trailer, for $300. It needs only minor work and a lot of cleaning. I hope to float it Saturday to see if it sinks like a rock (I know it has flotation), and will need glass work, but I could see nothing amiss while on the trailer.

So, never say never.

Hi Laranja, I just read your comment about trying to find a used O’Day Day Sailer. I live in Wareham where Cape Cod Shipbuilding is located, they are the current builders of the Day Sailer. They usually have used boats available. I have a 1971 DS, a wonderful boat.

I have a 2013 DS for sale in Sharon,MA. needs work on floatation tanks

Fantastic article

Interested in purchasing a fine example that was actively sailed

I agree with the many positive comments above. Great article! I was a longtime owner of an O’Day Widgeon (14′), and after many boat-less years I’m pleased to have purchased a 1984 O’Day Daysailer II just last week. It’s in good condition, and after sourcing a few needed part, I’ll enjoy it on lakes here in Georgia. Thanks for the great article, which has served as an orientation of sorts for me as to what to expect when I launch her for her maiden voyage under my ownership. A long-time marketing and sales executive, I’m naming her SAILS CALL!

I just got a DaySailer, thought it was a 67 DS1 but the transom is thick with a box on the port side by the transom so not sure now DSII?

I just today bought and brought home to MA a 1966 O’Day Day Sailer (as shown on the registration from NH), and it has a thick transom with lidded box on the port side. Also has a wide cuddly opening and wooden cowling and thwarts as described above for a DSI.

We’re down sizing from a 53′ Pearson to an O’Day 18 that someone offered us. I have no qualms about the sailing, but the temperature of the water here (Massachusetts to Connecticut) worries me very much, after a lifetime in the tropics. Are these dry boats when sailed conservatively?

I have a 2013 Cape Cod built DS for sale in MA. Needs some work on floatation tanks.

I just sold our Venturer 22 and picked up (rescued) an O’Day 16 DS. A couple weeks in the shop and it looks ready to sail. One question: the roller reefed main (boom) does not “lock in.” I suppose I could jiffy reef it but does anyone have experience with the roller reefing boom? Am I missing a part (the claw) or do I just not get it.

I want to buy an O’Day sail 17′

We have a 1976, 17′ foot O’Day DSll (?) on trailer that we are transferring to another family member. We are trying to figure out the best way to get it from Oregon to New Hampshire. Any ideas out there?

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• Sailboat Guide

1978 O'Day 23-2 Sloop

• Description

Seller's Description

1978 ODay 23-2 Sloop Sailboat for sale $8500 Westminster, MA.

Downsizing, so must let her go.

Boat has been out of the water for 3 years, on trailer, wrapped. Masthead sloop model manufactured until 1984, built predominantly of fiberglass, with wood trim. Transom-hung rudder and a folding centerboard keel. Design has a PHRF racing average handicap of 240, and a hull speed of 6 knots.

Ocean slip two seasons: 2012, 2013. Lake mooring 5 seasons: 2014,15,16,17,18.

Features sleeping accommodations for 5 persons, with a double V-berth in the bow cabin, a drop-down dinette table (in need of repair) that converts to a double berth and a single settee berth on the starboard side. The (portable potty) head, with sink is located in the bow cabin on the port side. Cabin headroom 60.

Fitted with 2005 Johnson 8hp 2-stroke engine.

Custom-fitted, galvanized, electric hydraulic-brake equipped 2011 Loadmaster Trailer, with full spare tire and wheel.

Equipment: Features and details: 23 LOA. 711 Beam. 64 max draft. 27 min draft. LWL: 196. Displacement: 3085 lbs. Ballast: 1200 lbs.

New Mainsail (2014). Newly conditioned centerboard: 2012. New standing rigging and paint (above waterline): 2014. Fitted cockpit cushions. Mast, boom, manual boom vang, backstay, topping lift, stanchions & lifelines, 2 Barlow winches. Trickle charge battery charger (battery is old and should be replaced). 12V DC system. Tiller steering. 2 anchors. Bow pulpit with rails. Roller furling jib. Genoa 130’. Translucent hatch boards. Fenders & lines. Life jackets. VHF radio (2). Compass. Spinnaker sail. Water tanks. Gas tank (cockpit, concealed under seat).

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)

The first O’DAY 23 featured a large ‘lift top’ (see photo) that allowed the entire coach roof to be raised from the hull at once. The keel stepped mast stayed in place. This was a unique feature and somewhat controversial at the time. Later the size of the pop top was reduced, (called ‘Convertible Top’ as in drawing), extending just aft of a deck stepped mast with tabernacle. With the O’DAY 23-2, the deck stepped mast remained, but the pop top idea was abandoned entirely. The O’DAY 23 (all versions) was in production for more than 10 years and was one of the company’s most popular models. (1500+ built). See O’DAY 23-2.

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