Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 10.80 m
LWL: 9.30 m
S.A. (reported): 65.22 m²
Beam: 3.51 m
Displacement: 4,445 kg
Ballast: 2,018 kg
Max Draft: 2.08 m
Construction: FG
Ballast Type: Lead
First Built: 1988
Builder: Thomas Marine Inc./Tartan Marine (USA)
Designer: Graham & Schlageter

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 3GM
Type: Diesel
HP: 27
Fuel: 76 L


Water: 132 L

Sailboat Calculations

S.A. / Displ.: 24.61
Bal. / Displ.: 45.41
Disp: / Len: 154.20
Comfort Ratio: 18.31
Capsize Screening Formula: 2.15
S#: 4.28
Hull Speed: 7.40 kn
Pounds/Inch Immersion: 1,253.27 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 14.63 m
J: 4.34 m
P: 14.63 m
E: 4.57 m
S.A. Fore: 31.77 m²
S.A. Main: 33.45 m²
S.A. Total (100% Fore + Main Triangles): 65.22 m²
S.A./Displ. (calc.): 24.61
Est. Forestay Length: 15.26 m

Sailboat Links

Designers: Graham & Schlageter
Builders: Tartan Marine
Download Boat Record:


Also promoted as T-35.
Some later boats were delivered with a masthead rig.