Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 56.50 ft
LWL: 40.67 ft
S.A. (reported): 1,293.00 ft²
Beam: 13.00 ft
Displacement: 45,000.00 lb
Ballast: 22,000.00 lb
Max Draft: 8.00 ft
Construction: FG
Ballast Type: Lead
First Built: 1969
Last Built: 1974
# Built: 11
Builder: Columbia Yachts (USA)
Designer: William Tripp Jr.

Sailboat Calculations

Definitions
S.A. / Displ.: 16.42
Bal. / Displ.: 48.89
Disp: / Len: 298.64
Comfort Ratio: 50.29
Capsize Screening Formula: 1.47
S#: 1.71
Hull Speed: 8.55 kn
Pounds/Inch Immersion: 1,889.14 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 62.80 ft
J: 22.00 ft
P: 56.00 ft
E: 21.50 ft
S.A. Fore: 690.80 ft²
S.A. Main: 602.00 ft²
S.A. Total (100% Fore + Main Triangles): 1,292.80 ft²
S.A./Displ. (calc.): 16.42
Est. Forestay Length: 66.54 ft

Sailboat Links

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

Notes

First introduced as a racer with trim tab (as shown here). Later boats were turned out with more cruising amenities. Some were even rigged as schooners. An unknown number were sold as the SAILCRAFTER 57. The COLUMBIA 56 (Motor sailor), introduced in 1974, came from this same hull mold.