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SEAWANHAKA ONE-DESIGN (S&S)
Built by Henry B. Nevins (USA)
• Designed by Sparkman & Stephens
Market Value
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General Information
Hull Type:
Fin Keel
Rigging Type:
Fractional Sloop
Construction:
Wood
First Built:
1939
Dimensions
Length Overall (LOA):
9.45 m
Length Waterline (LWL):
6.40 m
Beam:
2.01 m
Draft (Max):
1.37 m
Weight & Ballast
Displacement:
3,175 kg
Ballast:
1,293 kg
Ballast Type:
Lead
Sail Plan
Foresail Area:
12.36 m²
Mainsail Area:
22.77 m²
Total Sail Area (calculated):
35.13 m²
Sail Area (reported):
33.17 m²
I (Fore Triangle Height):
8.53 m
J (Fore Triangle Base):
2.90 m
P (Mainsail Hoist):
10.30 m
E (Boom Length):
4.42 m
Engine & Systems
Performance Ratios
Hull Speed:
6.14 knots
SA/Displacement (Calculated):
16.26
SA/Displacement (Reported):
15.66
Ballast/Disp Ratio:
40.71%
Displacement/Length:
337.44
Comfort Ratio:
36.62
Capsize Screening:
1.38
S-Number:
1.46
Notes
First 9 boats were commissioned by the Seawanhaka Corinthian YC. (Long Island NY, USA)