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ALLMAND 31

ALLMAND 31 built by Allmand Boats Inc. (USA) and designed by Walter Scott & T. R. Allmand. Her first hull was built in 1978 with an overall lengh of 9.37 m or 30.75 ft long

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ALLMAND 31 Sailboat Specifications​

Features

Overall Length (LOA) m / ft9.37 m / 30.75 ft
Builder(s)Allmand Boats Inc.
Designer(s)Walter Scott & T. R. Allmand
BrandAllmand
CountryUnited States
Hull TypeFin with rudder on skeg
First Hull Built1978
Last Hull Built1985
Ballast TypeLead or Iron
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal151 L / 40 gal
Ballast Ratio38.74

Dimensions

Overall Length (LOA) 9.37 m / 30.75 ft
Waterline Length (LWL)8.51 m / 27.92 ft
Beam (width)3.45 m / 11.33 ft
Draft1.17 m / 3.83 ft
Light Displacement (MLC) 5035 kg / 11100 lb
Maximum Displacement5035 kg / 11100 lb
Ballast Weight1950 kg / 4300 lb

Performance

Capsize Screening Formula (CSF)2.04
Comfort Ratio23.52
Displacement-Length Ratio (DLR)227.68
Ballast Ratio38.74
Sail Area to Displacement14.87

Above Deck

Estimated Forestay Length13.02 m / 42.72 ft
Reported Sail Area42.83 m² / 461.00 ft²
Total Sail Area42.83 m² / 461.00 ft²
Mainsail Area19.97 m² / 215.00 ft²
I41.00 ft * 12.50 m
J12.00 ft * 3.66 m
P34.40 ft * 10.49 m
E12.50 ft * 3.81 m
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