Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long Keel
Rigging Type: Masthead Sloop
LOA: 9.30 m
LWL: 6.71 m
S.A. (reported): 39.39 m²
Beam: 2.74 m
Displacement: 5,443 kg
Ballast: 2,268 kg
Max Draft: 1.52 m
Construction: FG
Ballast Type: Concrete
First Built: 1958
Last Built: 1984
# Built: 252
Builder: Ron Rawson, Inc.
Designer: William Garden

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Palmer
Type: Gas
HP: 22
Fuel: 140 L


Water: 151 L

Sailboat Calculations

S.A. / Displ.: 12.99
Bal. / Displ.: 41.67
Disp: / Len: 503.11
Comfort Ratio: 40.46
Capsize Screening Formula: 1.58
S#: 0.58
Hull Speed: 6.29 kn
Pounds/Inch Immersion: 707.48 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 10.97 m
J: 3.35 m
P: 9.69 m
E: 4.33 m
S.A. Fore: 18.39 m²
S.A. Main: 20.98 m²
S.A. Total (100% Fore + Main Triangles): 39.37 m²
S.A./Displ. (calc.): 12.98
Est. Forestay Length: 11.47 m

Sailboat Links

Designers: William Garden
Builders: Rawson (Ron Rawson, Inc.)
Download Boat Record:


Sloop version available with tall rig.
A yawl conversion kit was available including bowsprit.
A few pilot house versions were built. (36).