Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 45.25 ft
LWL: 34.42 ft
S.A. (reported): 812.00 ft²
Beam: 12.33 ft
Displacement: 25,000.00 lb
Ballast: 12,300.00 lb
Max Draft: 4.30 ft
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: 70 gals


Water: 100 gals

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: 52.10 ft
J: 18.24 ft
P: 45.00 ft
E: 15.00 ft
S.A. Fore: 475.15 ft²
S.A. Main: 337.50 ft²
S.A. Total (100% Fore + Main Triangles): 812.65 ft²
S.A./Displ. (calc.): 15.27
Est. Forestay Length: 55.20 ft

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.