Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long Keel
Rigging Type: Masthead Sloop
LOA: 30.21 ft
LWL: 22.29 ft
S.A. (reported): 400.00 ft²
Beam: 8.42 ft
Displacement: 8,500.00 lb
Max Draft: 4.50 ft
Construction: FG
First Built: 1958
# Built: 35
Builder: Olsen Marine Products (USA)
Designer: Philip Rhodes

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas
HP: 25
Fuel: 22 gals

Sailboat Calculations

S.A. / Displ.: 15.42
Disp: / Len: 342.64
Comfort Ratio: 31.17
Capsize Screening Formula: 1.65
S#: 1.30
Hull Speed: 6.33 kn
Pounds/Inch Immersion: 670.61 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 34.50 ft
J: 10.00 ft
P: 31.00 ft
E: 13.50 ft
S.A. Fore: 172.50 ft²
S.A. Main: 209.25 ft²
S.A. Total (100% Fore + Main Triangles): 381.75 ft²
S.A./Displ. (calc.): 14.71
Est. Forestay Length: 35.92 ft

Sailboat Links

Designers: Philip Rhodes
Download Boat Record:


Because the designer Philip Rhodes was unhappy about unauthorized changes made to his original specifications, he persued a court order against the builder and won. At this point, production was halted.
Thanks to 'amazed', owner of hull #1 for providing correction on dates.
(Rhodes design #c693)