SEAWANHAKA ONE-DESIGN (S&S)

SEAWANHAKA ONE-DESIGN (S&S) drawing

Sailboat Specifications


Hull Type:
Fin Keel
Rigging Type:
Fractional Sloop
LOA:
31.00 ft / 9.45 m
LWL:
21.00 ft / 6.40 m
S.A. (reported):
357.00 ft2 / 33.17 m2
Beam:
6.58 ft / 2.01 m
Draft (max):
4.50 ft / 1.37 m
Draft (min):
Displacement:
7,000 lb / 3,175 kg
Ballast:
2,850 lb / 1,293 kg
S.A./Disp.:
15.66
Bal./Disp.:
40.71
Disp./Len.:
337.44
Construction:
Wood
Ballast Type:
Lead
First Built:
1939
Last Built:
# Built:
Builder:
Henry B. Nevins (USA)
Designer:
Sparkman & Stephens
Website:

Sailboat Calculations

S.A./Disp.:
15.66
Bal./Disp.:
40.71
Disp./Len.:
337.44
Comfort Ratio:
36.62

Rig and Sail Particulars

I:
28.00 ft / 8.53 m
J:
9.50 ft / 2.90 m
P:
33.80 ft / 10.30 m
E:
14.50 ft / 4.42 m
SPL/TPS:
ISP:
S.A. Fore:
133.00 ft2 / 12.36 m2
S.A. Main:
245.05 ft2 / 22.77 m2
S.A. Total (100% Fore + Main Triangles)
378.05 ft2 / 35.12 m2
S.A./Disp. (calc.):
16.58
Est. Forestay Len.:
29.57 ft / 9.01 m

Sailboat Links

Builders:

Notes

First 9 boats were commissioned by the Seawanhaka Corinthian YC. (Long Island NY, USA) Raced as a class into the late 1950's.



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