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SONAR
Built by Seidelman
• Designed by Bruce Kirby
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General Information
Hull Type:
Fin w/spade rudder
Rigging Type:
Fractional Sloop
First Built:
1980
Number Built:
860
Dimensions
Length Overall (LOA):
7.01 m
Length Waterline (LWL):
6.07 m
Beam:
2.39 m
Draft (Max):
1.19 m
Weight & Ballast
Displacement:
953 kg
Ballast:
422 kg
Ballast Type:
Lead
Sail Plan
Foresail Area:
10.34 m²
Mainsail Area:
14.31 m²
Sail Area:
24.64 m²
Sail Area (reported):
24.62 m²
I (Fore Triangle Height):
7.62 m
J (Fore Triangle Base):
2.71 m
P (Mainsail Hoist):
8.38 m
E (Boom Length):
3.41 m
Est. Forestay Length:
8.09 m
Engine & Systems
Performance Ratios
Hull Speed:
5.98 knots
SA/Displacement (Calc):
25.94
SA/Displacement (Reported):
25.92
Ballast/Disp Ratio:
44.29%
Displacement/Length:
118.61
Comfort Ratio:
10.04
Capsize Screening:
2.45
S-Number:
5.19
Immersion:
100 kg/cm
Notes
Commissioned by members of Noroton YC of Darien CT USA and first built by Seidelmann Yachts.
Market Value
No pricing data available yet.
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