Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 8.23 m
LWL: 6.10 m
S.A. (reported): 25.36 m²
Beam: 2.65 m
Displacement: 1,696 kg
Max Draft: 1.49 m
Construction: FG
First Built: 1975
Builder: Sjaelland Rund (DEN)
Designer: Elvstrøm & Kjærulff

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Sailboat Calculations

S.A. / Displ.: 18.18
Disp: / Len: 208.71
Comfort Ratio: 14.66
Capsize Screening Formula: 2.24
S#: 2.74
Hull Speed: 5.99 kn
Pounds/Inch Immersion: 621.72 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 9.51 m
J: 2.99 m
P: 8.41 m
E: 2.65 m
S.A. Fore: 14.20 m²
S.A. Main: 11.15 m²
S.A. Total (100% Fore + Main Triangles): 25.36 m²
S.A./Displ. (calc.): 18.17
Est. Forestay Length: 9.97 m

Sailboat Links

Designers: Jan Kjærulff
Paul Elvström
Associations: Quarter Ton Class
Related Sailboats: BIANCA 26
Download Boat Record:


A flush deck racer intended for competition under the IOR 1/4 ton rule.
#1 'Aphrodite', #2 'Go', 'Another'Go',.
Became prototype for BIANCA 26, BIANCA 28.
A later version was built in Canada called the WHITBY 27.