Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Centerboard Dinghy
Rigging Type: Fractional Sloop
LOA: 15.50 ft / 4.72 m
S.A. (reported): 145.00 ft² / 13.47 m²
Beam: 6.00 ft / 1.83 m
Displacement: 535.00 lb / 243 kg
Ballast: 110.00 lb / 50 kg
Max Draft: 4.00 ft / 1.22 m
Min Draft: 0.75 ft / 0.23 m
Construction: wood/FG
Ballast Type: Steel centerboard
First Built: 1934
Last Built: 1978
# Built: 350
Builder: Wright-Built Boat Co.(USA)
Designer: Murray Wright

KLSC Leaderboard

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Sailboat Calculations

S.A. / Displ.: 35.25
Bal. / Displ.: 20.56
Capsize Screening Formula: 2.96

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

Mast Height from DWL: 26.83 ft / 8.18 m

Sailboat Links

Associations: Finger Lakes Boating Museum
K-boat database
Download Boat Record:


Originally called KOHINOOR.
Sailed primarily on the Finger Lakes, NY, (USA).
110-pound steel centerboard.
A short run of fiberglass versions were built by East Suburban Plastics of Syracuse, NY (1975).
The Wright-Built Boat Company was located at Dundee, NY.
Dimensions are approximate.