Beta Marine

Sailboat Specifications

Hull Type: Modified Full Keel
Rigging Type: Masthead Sloop
LOA: 30.87 ft
LWL: 21.65 ft
S.A. (reported): 396.54 ft²
Beam: 8.69 ft
Displacement: 7,871.00 lb
Ballast: 3,527.00 lb
Max Draft: 4.46 ft
Construction: Mahogany
Ballast Type: Iron
First Built: 1962
Last Built: 1964
# Built: 56
Builder: Örnmaskiner/Storebro
Designer: Olle Enderlein

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD1
Type: Diesel
HP: 5-7
Fuel: 8 gals


Water: 16 gals

Sailboat Calculations

S.A. / Displ.: 16.09
Bal. / Displ.: 44.82
Disp: / Len: 346.07
Comfort Ratio: 27.94
Capsize Screening Formula: 1.75
S#: 1.37
Hull Speed: 6.23 kn
Pounds/Inch Immersion: 672.24 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 34.12 ft
J: 11.32 ft
P: 29.53 ft
E: 13.78 ft
S.A. Fore: 193.12 ft²
S.A. Main: 203.46 ft²
S.A. Total (100% Fore + Main Triangles): 396.58 ft²
S.A./Displ. (calc.): 16.09
Est. Forestay Length: 35.95 ft

Sailboat Links

Designers: Olle Enderlein
Builders: Storebro Bruk AB (SWE)
Associations: Storebro Passion
Download Boat Record:


Also called the Havsörnen I.
Three were delivered with Volvo Penta C23 gas fueled engines.