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CONTEST 31

Built by Coniplex • Designed by U. van Essen
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CONTEST 31 - Drawing

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General Information

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
Construction: FG
First Built: 1971
Last Built: 1974
Number Built: 110

Dimensions

Length Overall (LOA): 9.50 m
Length Waterline (LWL): 7.14 m
Beam: 2.84 m
Draft (Max): 1.40 m

Weight & Ballast

Displacement: 4,763 kg
Ballast: 2,546 kg

Sail Plan

Foresail Area: 20.68 m²
Mainsail Area: 15.18 m²
Total Sail Area (calculated): 35.86 m²
Sail Area (reported): 35.86 m²
I (Fore Triangle Height): 11.03 m
J (Fore Triangle Base): 3.75 m
P (Mainsail Hoist): 9.05 m
E (Boom Length): 3.35 m

Engine & Systems

Engine Make: Volvo Penta
Engine Type: Diesel
Engine Model: MD2B
Engine Power: 25 HP

Performance Ratios

Hull Speed: 6.48 knots
SA/Displacement (Calculated): 12.67
SA/Displacement (Reported): 12.92
Ballast/Disp Ratio: 53.46%
Displacement/Length: 364.91
Comfort Ratio: 32.19
Capsize Screening: 1.71
S-Number: 1.06