Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 9.75 m
LWL: 8.20 m
S.A. (reported): 46.45 m²
Beam: 2.76 m
Displacement: 5,089 kg
Ballast: 2,000 kg
Max Draft: 1.55 m
Construction: FG/wood deck
Ballast Type: Lead
First Built: 1972
Last Built: 1979
# Built: 25
Builder: Swanson Brothers (AUSTRALIA)
Designer: Ron Swanson

KLSC Leaderboard

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Sailboat Calculations

S.A. / Displ.: 16.02
Bal. / Displ.: 39.30
Disp: / Len: 257.31
Comfort Ratio: 32.38
Capsize Screening Formula: 1.62
Hull Speed: 6.95 kn
Pounds/Inch Immersion: 870.82 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Builders: Swanson Brothers (AUS)
Download Boat Record:


Many were built by individuals who paid for the use of the molds to do all the lay up themselves as well as finishing.
Thanks to Ron E. for correction.