Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 9.45 m
LWL: 6.71 m
Beam: 2.82 m
Displacement: 3,856 kg
Ballast: 1,588 kg
Max Draft: 1.52 m
Construction: FG
First Built: 1968
Builder: UK
Designer: Guy Thompson

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Bal. / Displ.: 41.18
Disp: / Len: 356.37
Comfort Ratio: 27.47
Capsize Screening Formula: 1.82
Hull Speed: 6.29 kn
Pounds/Inch Immersion: 727.13 pounds/inch

calculation mobile

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Sailboat Links

Designers: Guy Thompson
Associations: Half Ton Class
Download Boat Record:


Based on 'Willawaw' (1968), owned by Dick Pitcher, and the first English designed and built half tonner.