Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Centerboard Dinghy
Rigging Type: Fractional Sloop
LOA: 12.30 ft / 3.75 m
LWL: 10.99 ft / 3.35 m
S.A. (reported): 89.00 ft² / 8.27 m²
Beam: 5.41 ft / 1.65 m
Displacement: 276.00 lb / 125 kg
Max Draft: 3.05 ft / 0.93 m
Min Draft: 0.56 ft / 0.17 m
Construction: FG
First Built: 1965
Last Built: 1980
Builder: Staem Marine / Spair Marine (FRA)
Designer: Philippe Staempfli

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

S.A. / Displ.: 33.62
Disp: / Len: 92.83
Comfort Ratio: 3.95
Capsize Screening Formula: 3.33
Hull Speed: 4.44 kn
Pounds/Inch Immersion: 212.44 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Builders: Spair Marine (FRA)
Associations: Piaf Dinghy (French)
Download Boat Record:


The first version (with a daggerboard) was built by Staem-Marine. A second, more popular version, built by Spair Marine, was introduced in 1970. Thanks to Ryan Anderson for assistance with this and many yachts of French origin.