Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Sloop
LOA: 28.25 ft
LWL: 21.50 ft
S.A. (reported): 348.00 ft²
Beam: 8.08 ft
Displacement: 9,968.00 lb
Ballast: 4,628.00 lb
Max Draft: 5.00 ft
Construction: FG or Wood
First Built: 1964
Last Built: 1983
# Built: 200
Builder: Uphams/Tyler (UK)
Designer: Kim Holman

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 12.06
Bal. / Displ.: 46.43
Disp: / Len: 447.76
Comfort Ratio: 40.49
Capsize Screening Formula: 1.50
S#: 0.69
Hull Speed: 6.21 kn
Pounds/Inch Immersion: 620.72 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 34.00 ft
J: 11.00 ft
P: 30.00 ft
E: 10.75 ft
S.A. Fore: 187.00 ft²
S.A. Main: 161.25 ft²
S.A. Total (100% Fore + Main Triangles): 348.25 ft²
S.A./Displ. (calc.): 12.07
Est. Forestay Length: 35.74 ft

Sailboat Links

Notes

First available in wood, then with FG hulls with wood coachroof and deck. By 1970, an all glass version was available. It is thought that the glass boats were molded by Tyler Boat Co. Ltd. and finished and fitted out by other yards.