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SIGMA 41

Built by Sigma Yachts (UK) • Designed by David Thomas
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SIGMA 41 - Drawing

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General Information

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
Construction: FG
First Built: 1982

Dimensions

Length Overall (LOA): 12.50 m
Length Waterline (LWL): 10.16 m
Beam: 3.71 m
Draft (Max): 1.83 m

Weight & Ballast

Displacement: 8,618 kg
Ballast Type: Lead

Sail Plan

Foresail Area: 34.48 m²
Mainsail Area: 31.48 m²
Total Sail Area (calculated): 65.96 m²
Sail Area (reported): 65.96 m²
I (Fore Triangle Height): 15.39 m
J (Fore Triangle Base): 4.48 m
P (Mainsail Hoist): 13.41 m
E (Boom Length): 4.69 m

Engine & Systems

Engine Make: Bukh
Engine Type: Diesel
Engine Power: 36 HP
Fuel Capacity: 132 L
Water Capacity: 322 L

Performance Ratios

Hull Speed: 7.74 knots
SA/Displacement (Calculated): 15.69
SA/Displacement (Reported): 16.01
Displacement/Length: 229.09
Comfort Ratio: 29.55
Capsize Screening: 1.83
S-Number: 2.28

Notes

Also available with a fractional sloop rig and shallower draft winged keel.