Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 11.30 m
LWL: 8.41 m
S.A. (reported): 54.44 m²
Beam: 3.06 m
Displacement: 6,759 kg
Ballast: 2,722 kg
Max Draft: 1.71 m
Construction: FG
Ballast Type: Lead
First Built: 1969
Last Built: 1980
# Built: 129
Builder: Tyler Boat Co. Ltd. (UK) /Malo Yachts
Designer: Einar Ohlson

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo
Model: MD-2
Type: Diesel
HP: 28
Fuel: 79 L


Water: 182 L

Sailboat Calculations

S.A. / Displ.: 15.54
Bal. / Displ.: 40.27
Disp: / Len: 317.07
Comfort Ratio: 35.01
Capsize Screening Formula: 1.64
S#: 1.53
Hull Speed: 7.04 kn
Pounds/Inch Immersion: 990.39 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 13.65 m
J: 4.40 m
P: 12.02 m
E: 4.14 m
S.A. Fore: 30.04 m²
S.A. Main: 24.88 m²
S.A. Total (100% Fore + Main Triangles): 54.92 m²
S.A./Displ. (calc.): 15.68
Est. Forestay Length: 14.34 m

Sailboat Links

Designers: Einar Ohlson
Builders: Malö Yachts (SWE)
Robertson and Sons Ltd.
Tyler Boat Co. Ltd. (UK)
Associations: Ohlson 38
Download Boat Record:


Hulls and decks (including the coachroof) were laminated by the Tyler Boat Company Ltd. in the UK. Hulls were completed by a number of yards in Europe including Malo Yachts, and Ohlson Brothers of Sweden, Robertson & Sons Ltd. of Scotland.
Traditional, or reverse transom versions. Sloop or yawl rig.
A kit version (from Tyler) was sold as the TUFGLASS 38.
Available as sloop or yawl.
Rig Dimensions listed are for CCA rig. IOR rig was also available with shorter boom:
Thanks to Dr. Lutz v. Meyerinck ( for providing valuable information on a number of the Ohlson designs.