Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 28.00 ft
LWL: 22.50 ft
S.A. (reported): 453.00 ft²
Beam: 9.00 ft
Displacement: 6,300.00 lb
Ballast: 2,300.00 lb
Max Draft: 5.00 ft
Construction: FG
First Built: 1981
Last Built: 1985
Builder: Spencer Boats
Designer: E. Monk/R. Perry

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 2GM20F
Type: Diesel
HP: 15

Sailboat Calculations

S.A. / Displ.: 21.31
Bal. / Displ.: 36.51
Disp: / Len: 246.91
Comfort Ratio: 21.60
Capsize Screening Formula: 1.95
Hull Speed: 6.36 kn
Pounds/Inch Immersion: 723.55 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Designers: Edwin Monk Jr.
Builders: Spencer Boats Ltd.
Related Sailboats: SUN 27
Download Boat Record:


Originally the Cheetah 26. Then the SUN 27/SUN 838.