Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long Keel
Rigging Type: Masthead Ketch
LOA: 12.50 m
LWL: 9.91 m
S.A. (reported): 73.58 m²
Beam: 3.69 m
Displacement: 12,474 kg
Ballast: 4,082 kg
Max Draft: 1.83 m
Construction: FG
First Built: 1972
Builder: Ta Chiao Shipbuilding Co. (TAIWAN)
Designer: William Garden

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KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Fuel: 454 L


Water: 454 L

Sailboat Calculations

S.A. / Displ.: 13.97
Bal. / Displ.: 32.73
Disp: / Len: 357.63
Comfort Ratio: 43.82
Capsize Screening Formula: 1.61
S#: 1.17
Hull Speed: 7.64 kn
Pounds/Inch Immersion: 1,405.13 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 14.48 m
J: 5.03 m
P: 12.89 m
E: 5.76 m
PY: 8.66 m
EY: 3.71 m
S.A. Fore: 36.41 m²
S.A. Main: 37.14 m²
S.A. Total (100% Fore + Main Triangles): 73.54 m²
S.A./Displ. (calc.): 13.96
Est. Forestay Length: 15.33 m

Sailboat Links

Designers: William Garden
Builders: Ta Chiao (TAIWAN)
Related Sailboats: SEA WOLF 40
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Originally available in 4 versions:
Standard (shown here)
Center Cockpit
Pilot house
Pilot house/w center cockpit
Based on the SEA WOLF 40.
Literature lists William Garden as designer but this is disputed.