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HARSTAD 31

HARSTAD 31 built by Harstad Trawler Company (USA) and designed by W.I.B. Crealock. Her first hull was built in 1975 with an overall lengh of 9.63 m or 31.58 ft long

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HARSTAD 31 Sailboat Specifications​

Features

Overall Length (LOA) m / ft9.63 m / 31.58 ft
Builder(s)Harstad Trawler Company
Designer(s)W.I.B. Crealock
CountryUnited States
Hull TypeLong keel w/trans. hung rudder
Number of Hulls Built6
First Hull Built1975
Last Hull Built1976
Rigging TypeMasthead Ketch
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal174 L / 46 gal
Ballast Ratio24.38

Dimensions

Overall Length (LOA) 9.63 m / 31.58 ft
Waterline Length (LWL)8.03 m / 26.33 ft
Beam (width)2.44 m / 8.00 ft
Draft1.07 m / 3.50 ft
Light Displacement (MLC) 3629 kg / 8000 lb
Maximum Displacement3629 kg / 8000 lb
Ballast Weight885 kg / 1950 lb

Performance

Capsize Screening Formula (CSF)1.60
Comfort Ratio27.76
Displacement-Length Ratio (DLR)195.65
Ballast Ratio24.38
Sail Area to Displacement13.28

Above Deck

Estimated Forestay Length9.13 m / 29.97 ft
Reported Sail Area30.75 m² / 331.00 ft²
Total Sail Area27.55 m² / 296.50 ft²
Mainsail Area11.24 m² / 121.00 ft²
I27.00 ft * 8.23 m
J13.00 ft * 3.96 m
P22.00 ft * 6.71 m
E11.00 ft * 3.35 m
PY14.00 ft * 4.27 m
EY5.00 ft * 1.52 m
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