O'DAY 20

Sailboat Specifications

both US imperial metric

Hull Type:

Keel/Cbrd.

Rigging Type:

Masthead Sloop

LOA:

19.58 ft / 5.97 m

LWL:

17.25 ft / 5.26 m

Beam:

7.00 ft / 2.13 m

S.A. (reported):

190.00 ft² / 17.65 m²

Draft (max):

3.92 ft / 1.19 m

Draft (min):

1.17 ft / 0.36 m

Displacement:

2,350 lb / 1,066 kg

Ballast:

400 lb / 181 kg

S.A./Disp.:

17.24

Bal./Disp.:

17.02

Disp./Len.:

204.39

Construction:

FG

Ballast Type:

Lead

First Built:

1973

Last Built:

1979

# Built:

949

Builder:

O'Day Corp. (USA)

Designer:

C.Raymond Hunt Associates

Sailboat Calculations

Definitions

S.A./Disp.:

17.24

Bal./Disp.:

17.02

Disp./Len.:

204.39

Comfort Ratio:

15.14

Capsize Screening Formula:

2.11

S#:

2.52

Rig and Sail Particulars

help

I:

23.80 ft / 7.25 m

J:

7.80 ft / 2.38 m

P:

20.50 ft / 6.25 m

E:

8.00 ft / 2.44 m

S.A. Fore:

92.82 ft² / 8.62 m²

S.A. Main:

82.00 ft² / 7.62 m²

S.A. Total (100% Fore + Main Triangles)

174.82 ft² / 16.24 m²

S.A./Disp. (calc.):

15.86

Est. Forestay Len.:

25.05 ft / 7.63 m

Mast Height from DWL:

31.00 ft / 9.45 m

Sailboat Links

Designers:

Raymond Hunt (C.R. Hunt & Assoc.)

John Deknatel

Builders:

O'Day Corp.

Download Boat Record:

PDF

Notes

Displacement includes crew weight of 600 lbs.
Alternate fractional rig:
I: 22.0'/6.70m
J: 7.3'/2.23m
P: 24.5'/7.47m
E: 9.0'/2.74m

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