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MONSUN 31

Built by Hallberg-Rassy • Designed by Olle Enderlein
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MONSUN 31 - Photo
MONSUN 31 - Drawing

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General Information

Hull Type: Long Keel
Rigging Type: Masthead Sloop
First Built: 1974
Last Built: 1982
Number Built: 904

Dimensions

Length Overall (LOA): 9.37 m
Length Waterline (LWL): 7.52 m
Beam: 2.87 m
Draft (Max): 1.40 m

Weight & Ballast

Displacement: 4,196 kg
Ballast: 1,905 kg

Sail Plan

Foresail Area: 20.89 m²
Mainsail Area: 17.52 m²
Sail Area: 38.42 m²
Sail Area (reported): 38.46 m²
I (Fore Triangle Height): 11.52 m
J (Fore Triangle Base): 3.63 m
P (Mainsail Hoist): 10.00 m
E (Boom Length): 3.51 m
Est. Forestay Length: 12.08 m

Engine & Systems

Engine Make: Volvo Penta
Engine Type: Diesel
Engine Model: MD 11 C
Fuel Capacity: 121 L
Water Capacity: 163 L

Performance Ratios

Hull Speed: 6.66 knots
SA/Displacement (Calc): 15.06
SA/Displacement (Reported): 15.08
Ballast/Disp Ratio: 45.41%
Displacement/Length: 275.03
Comfort Ratio: 27.20
Capsize Screening: 1.80
S-Number: 1.78
Immersion: 148 kg/cm

Notes

Also sold as RASMUS 31.

Market Value

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