The SHE 31, a heavy displacement sloop, was designed by Sparkman & Stephens and built in the UK by South Hants Engineering Ltd (hence 'SHE').
Underwater Profile: Fin keel & skeg-hung rudder
Hull Material: GRP (Fibreglass)
Length Overall: 30'4" (9.2m)
Waterline Length: 22'0" (6.7m)
Beam: 8'10" (2.7m)
Draft: 5'5" (1.7m)
Rig Type: Masthead sloop
Displacement: 7,800lb (3,538kg)
Ballast: 3,400lb (1,542kg)
Designer: Sparkman & Stephens
Builder: South Hants Engineering Ltd (UK)
Year First Built: 1969
1. Sail Area/Displacement Ratio: 16.7
2. Ballast/Displacement Ratio: 43.6
3. Displacement/Length Ratio: 327
4. Comfort Ratio: 27.0
5. Capsize Screening Formula: 1.8
Read more about these Key Performance Indicators...
1. A Sail Area/Displacement Ratio of 16.7 suggests that the SHE 31 will, in the right conditions, approach her maximum hull speed readily and satisfy the sailing performance expectations of most cruising sailors.
2. A Ballast/Displacement Ratio of 43.6 means that the SHE 31 will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 327, tells us the SHE 31 is clearly a heavy displacement cruising boat. You can load her down with all your cruising gear and equipment and it will hardly affect her waterline. Not an ideal choice for coastal sailing, but she'll come into her own on an offshore passage in testing conditions.
4. Ted Brewer's Comfort Ratio of 27.0 suggests that crew comfort of a SHE 31 in a seaway is similar to what you would associate with the motion of a coastal cruiser with moderate stability, which is not the best of news for anyone prone to seasickness.
5. The Capsize Screening Formula (CSF) of 1.8 indicates that a SHE 31 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0.
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