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Seller's Description

I recently purchased this boat and she is awesome, sails great, and is super comfortable for the family (more pictures and videos upon request). I have the opportunity for another slip and a larger boat so I am selling this one. Feel free to reach out with any questions or to schedule a time to see the boat. She is currently at my slip and being used regularly. Reasonably priced winter storage available for an additional price at current marina.

Equipment: Stack pack mainsail with lazy jacks, whisker pole, furling Genoa, self tailing winches, chart plotter, depth sounder, pressurized water, wash-down pump, inverter, automatic bilge pump, outdoor cushions, engine just serviced, including oil change, bottom painted and waxed in June ‘23, ready to go includes small fiberglass dinghy with oar locks and oars. All lights inside and out functioning as they should, ie: steaming light, anchor light, running lights, etc. TV antenna on the mast, MMSI to VHF radio, life jackets, safety equipment, etc. Alcohol stove, nav station table, ice box, fold down dining table, plenty of storage space, easy engine access, usb chargers in cockpit and down below, battery charger, shore power, 3 AC outlets, horn, voltage meters, transom swim ladder, cockpit lights, helm seat, emergency tiller, manual bilge pump, faux teak cockpit floor, drink holders, stainless steel fishing rod holders, solar charger, compass, burgee halyard, galley sliding cabinets, built in head with holding tank and shower capable, 4 opening port lights, 2 large fixed ports, hatch, boom vang, main and genoa sails in very good condition, boat hook, deep lazarette, canvas binnacle cover and matching dodger with roll up eisenglass, bow and stern anchors with bow anchor locker, and more.

Specs

Designer
Raymond Hunt (C.R. Hunt & Assoc.)
Builders
Bangor Punta Corp.
O'Day Corp.
Associations
?
# Built
507
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
28 2 / 8.6 m
Waterline Length
22 11 / 7 m
Beam
10 2 / 3.1 m
Draft
4 5 / 1.4 m
Displacement
7,300 lb / 3,311 kg
Ballast
2,550 lb / 1,157 kg

Rig and Sails

Type
Sloop
Reported Sail Area
370′² / 34.4 m²
Total Sail Area
370′² / 34.4 m²
Mainsail
Sail Area
153′² / 14.2 m²
P
30 6 / 9.3 m
E
10 0 / 3.1 m
Air Draft
40 1 / 12.2 m
Foresail
Sail Area
217′² / 20.2 m²
I
35 11 / 11 m
J
12 0 / 3.7 m
Forestay Length
37 11 / 11.6 m

Auxilary Power

Make
Universal
Model
12
HP
10
Fuel Type
Diesel
Fuel Capacity
18 gal / 68 l
Engine Hours
?

Accomodations

Water Capacity
25 gal / 95 l
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
6.9 kn
Classic: 6.42 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

6.93 knots
Classic formula: 6.42 knots
Sail Area/Displacement
15.7
<16: under powered

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.
15.73
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
34.9
<40: less stiff, less 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

34.94
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
270.2
200-300: moderate

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
270.18
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
20.6
20-30: coastal cruiser

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
20.62
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
2.1
>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
2.11
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

A keel/cb verion of the the O’DAY 28 was also available. Draft BU: 3.25’, BD: 6.83’
Later, the the keel/cb version was dropped in favor of a shoal draft fixed keel: Draft:3.67’
Deeper keel: Draft:4.67’/ 1.42m
Alternate tall rig:
I: 38.00’ / 11.58m
J: 12.08’ / 3.68m
P: 32.50’ / 9.91m
E: 10.00’ / 3.05m

This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.

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