Seller's Description
For sale is a classic 1979 ODay 23 sailboat that’s been a trusty companion for memorable weekends on the bay and quick weekday escapes. This versatile vessel is fully equipped and primed for your next adventure.
Features: - Shallow Draft: Swinging centerboard for worry free exploration (2.5ft minimum draft). - Sails in decent condition. One unknown hank-on genny and one Doyle furling genny (currently installed). Doyle main - 7.5hp Honda BF75. Runs great, starts the second pull. Engine and gear oil changed at the beginning of this season. Stored indoors during winter - Recently rewired - most all bulbs replaced with LEDs, new BOSS stereo, new VHF radio - Freshwater storage with stowable sink and working camping-style head - Life Jackets and fenders included - Clean cushions in great condition - 25w solar system with marine battery
Cosmetically there are some places that need work on the interior. Ive kept the bottom clean but it could use a proper scrape and coat of paint.
Currently in the water in Fells Point.
Happy to answer any questions, will consider offers, and can help deliver within 10ish miles of the harbor
Specs
- Designer
- Raymond Hunt (C.R. Hunt & Assoc.)
- Builder
- O'Day Corp.
- Associations
- ?
- # Built
- ?
- Hull
- Monohull
- Keel
- Stub + Centerboard
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 22′ 11″ / 7 m
- Waterline Length
- 20′ 0″ / 6.1 m
- Beam
- 7′ 10″ / 2.4 m
- Draft
- 2′ 0″ / 0.6 m — 2′ 3″ / 0.7 m
- Displacement
- 3,100 lb / 1,406 kg
- Ballast
- 1,250 lb / 567 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 245′² / 22.8 m²
- Total Sail Area
- 245′² / 22.8 m²
Mainsail
- Sail Area
- 112′² / 10.4 m²
- P
- 24′ 0″ / 7.3 m
- E
- 9′ 3″ / 2.8 m
- Air Draft
- ?
Foresail
- Sail Area
- 133′² / 12.4 m²
- I
- 27′ 9″ / 8.5 m
- J
- 9′ 7″ / 2.9 m
- Forestay Length
- 29′ 4″ / 9 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
7.5 kn
Classic: 5.99 kn
Hull Speed
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.
Formula
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
- Sail Area/Displacement
-
18.4
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.
Formula
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
-
40.3
>40: stiffer, more powerful
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.
Formula
Ballast / Displacement * 100
- Displacement/Length
-
172.6
100-200: light
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.
Formula
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
- Comfort Ratio
-
14.4
<20: lightweight racing boat
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.
Formula
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
- D: Displacement of the boat in pounds
- LWL: Waterline length in feet
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
- Capsize Screening
-
2.2
>2.0: better suited for coastal cruising
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.
Formula
CSV = Beam ÷ ³√(D / 64)
- Beam: Width of boat at the widest point in feet
- D: Displacement of the boat in pounds
Notes
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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