Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 9.50 m
LWL: 7.30 m
S.A. (reported): 36.14 m²
Beam: 2.96 m
Displacement: 4,445 kg
Ballast: 1,650 kg
Max Draft: 1.86 m
Construction: FG
First Built: 1970
Builder: Alpa (ITA)
Designer: Alpa

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Farymann
Type: Diesel
HP: 28
Fuel: 98 L


Water: 201 L

Sailboat Calculations

S.A. / Displ.: 13.64
Bal. / Displ.: 37.12
Disp: / Len: 318.46
Comfort Ratio: 28.08
Capsize Screening Formula: 1.82
S#: 1.36
Hull Speed: 6.56 kn
Pounds/Inch Immersion: 830.94 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.58 m
J: 3.73 m
P: 10.00 m
E: 2.91 m
S.A. Fore: 21.58 m²
S.A. Main: 14.54 m²
S.A. Total (100% Fore + Main Triangles): 36.12 m²
S.A./Displ. (calc.): 13.63
Est. Forestay Length: 12.16 m

Sailboat Links

Builders: Alpa Yachts (ITA)
Download Boat Record:


Thanks to 'rmanganaro' for providing important corrections.
Sometimes attributed to S&S but actually designed 'in house'.