Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 11.50 m
LWL: 9.70 m
S.A. (reported): 55.74 m²
Beam: 3.50 m
Displacement: 9,000 kg
Ballast: 3,700 kg
Max Draft: 1.75 m
Construction: FG
First Built: 1980
Last Built: 1983
Builder: Najad Varvet AB
Designer: Peter Norlin

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD 21B
Type: Diesel
HP: 45
Fuel: 303 L


Water: 348 L

Sailboat Calculations

S.A. / Displ.: 13.15
Bal. / Displ.: 41.11
Disp: / Len: 274.93
Comfort Ratio: 35.37
Capsize Screening Formula: 1.70
S#: 1.59
Hull Speed: 7.56 kn
Pounds/Inch Immersion: 1,305.23 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 13.39 m
J: 4.20 m
P: 12.85 m
E: 4.30 m
S.A. Fore: 28.12 m²
S.A. Main: 27.63 m²
S.A. Total (100% Fore + Main Triangles): 55.75 m²
S.A./Displ. (calc.): 13.15
Est. Forestay Length: 14.03 m

Sailboat Links

Designers: Peter Norlin
Builders: Najad Yachts (SWE)
Download Boat Record:


Similar to the later NAJAD 371.