Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long Keel
Rigging Type: Masthead Sloop
LOA: 7.85 m
LWL: 6.85 m
S.A. (reported): 25.80 m²
Beam: 2.51 m
Displacement: 1,750 kg
Ballast: 770 kg
Max Draft: 1.08 m
Construction: GRP
First Built: 1968
Builder: Sydkystens Bådebyggeri
Designer: Per Brohäll

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Albin
Model: 0-11
Type: Gas (or kerosene)
HP: 6

Sailboat Calculations

S.A. / Displ.: 18.11
Bal. / Displ.: 44.01
Disp: / Len: 151.81
Comfort Ratio: 15.34
Capsize Screening Formula: 2.10
S#: 3.49
Hull Speed: 6.35 kn
Pounds/Inch Immersion: 660.77 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 8.90 m
J: 3.10 m
P: 7.60 m
E: 3.14 m
S.A. Fore: 13.79 m²
S.A. Main: 11.93 m²
S.A. Total (100% Fore + Main Triangles): 25.72 m²
S.A./Displ. (calc.): 18.06
Est. Forestay Length: 9.42 m

Sailboat Links

Designers: Per Brohäll
Download Boat Record:


Originally called the Buvenäs Cruiser.
Brohäll design #60
Also available with transom mounted rudder (pictured)
Drawing courtesy Marinmuseum (
Photo courtesy of Tur 80 (#184 "Filur") owner Mads Drewsen.