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LAPWORTH 40

• Designed by C. William Lapworth
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LAPWORTH 40 - Photo

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General Information

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
First Built: 1960

Dimensions

Length Overall (LOA): 12.19 m
Length Waterline (LWL): 8.53 m
Beam: 3.35 m
Draft (Max): 1.68 m

Weight & Ballast

Displacement: 8,074 kg

Sail Plan

Foresail Area: 32.76 m²
Mainsail Area: 29.35 m²
Sail Area: 62.11 m²
Sail Area (reported): 62.15 m²
I (Fore Triangle Height): 13.87 m
J (Fore Triangle Base): 4.72 m
P (Mainsail Hoist): 11.89 m
E (Boom Length): 4.94 m
Est. Forestay Length: 14.65 m

Engine & Systems

Performance Ratios

Hull Speed: 7.09 knots
SA/Displacement (Calc): 15.75
SA/Displacement (Reported): 15.76
Displacement/Length: 361.99
Comfort Ratio: 35.71
Capsize Screening: 1.69
S-Number: 1.26
Immersion: 197 kg/cm

Market Value

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