Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 13.79 m
LWL: 10.49 m
S.A. (reported): 75.44 m²
Beam: 3.76 m
Displacement: 11,340 kg
Ballast: 5,579 kg
Max Draft: 1.31 m
Construction: FG
Ballast Type: Iron
First Built: 1974
Last Built: 1975
Builder: Coronado Yachts (USA)
Designer: William Tripp Jr.

Auxiliary Power/Tanks (orig. equip.)

Make: Perkins
Type: Diesel
HP: 50
Fuel: 265 L


Water: 379 L

Sailboat Calculations

S.A. / Displ.: 15.26
Bal. / Displ.: 49.20
Disp: / Len: 273.69
Comfort Ratio: 36.15
Capsize Screening Formula: 1.69
S#: 1.81
Hull Speed: 7.86 kn
Pounds/Inch Immersion: 1,516.42 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 15.88 m
J: 5.56 m
P: 13.72 m
E: 4.57 m
S.A. Fore: 44.14 m²
S.A. Main: 31.35 m²
S.A. Total (100% Fore + Main Triangles): 75.50 m²
S.A./Displ. (calc.): 15.27
Est. Forestay Length: 16.82 m

Sailboat Links

Designers: William H. Tripp Jr.
Builders: Coronado Yachts
Download Boat Record:


Shoal Draft version: 4.92'/1.5m.
Shared origins with COLUMBIA 43/45.