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MONSUN 31

MONSUN 31 built by Hallberg-Rassy and designed by Olle Enderlein. Her first hull was built in 1974 with an overall lengh of 9.37 m or 30.75 ft long

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MONSUN 31 Sailboat Specifications​

Features

Overall Length (LOA) m / ft9.37 m / 30.75 ft
Builder(s)Hallberg-Rassy
Designer(s)Olle Enderlein
Hull TypeLong Keel
Number of Hulls Built904
First Hull Built1974
Last Hull Built1982
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal163 L / 43 gal
Ballast Ratio45.41

Dimensions

Overall Length (LOA) 9.37 m / 30.75 ft
Waterline Length (LWL)7.52 m / 24.67 ft
Beam (width)2.87 m / 9.42 ft
Draft1.40 m / 4.58 ft
Light Displacement (MLC) 4196 kg / 9250 lb
Maximum Displacement4196 kg / 9250 lb
Ballast Weight1905 kg / 4200 lb

Performance

Capsize Screening Formula (CSF)1.80
Comfort Ratio27.2
Displacement-Length Ratio (DLR)275.03
Ballast Ratio45.41
Sail Area to Displacement15.08

Above Deck

Estimated Forestay Length12.08 m / 39.63 ft
Reported Sail Area38.46 m² / 414.00 ft²
Total Sail Area38.42 m² / 413.51 ft²
Mainsail Area17.52 m² / 188.60 ft²
I37.80 ft * 11.52 m
J11.90 ft * 3.63 m
P32.80 ft * 10.00 m
E11.50 ft * 3.51 m
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