Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 29.86 ft
LWL: 21.00 ft
S.A. (reported): 359.00 ft²
Beam: 9.00 ft
Displacement: 9,000.00 lb
Ballast: 3,120.00 lb
Max Draft: 5.42 ft
Construction: FG
First Built: 1972
Builder: Aquafibre Ltd, (UK)
Designer: Sparkman & Stephens

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Sailboat Calculations

S.A. / Displ.: 13.32
Bal. / Displ.: 34.67
Disp: / Len: 433.85
Comfort Ratio: 31.49
Capsize Screening Formula: 1.73
S#: 0.80
Hull Speed: 6.14 kn
Pounds/Inch Immersion: 675.32 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 36.00 ft
J: 11.97 ft
P: 30.40 ft
E: 9.40 ft
S.A. Fore: 215.46 ft²
S.A. Main: 142.88 ft²
S.A. Total (100% Fore + Main Triangles): 358.34 ft²
S.A./Displ. (calc.): 13.29
Est. Forestay Length: 37.94 ft

Sailboat Links

Designers: Sparkman & Stephens
Builders: Aquafibre Ltd.
Download Boat Record:


S&S design #2014.
Also known as the S&S 30.
Some were imported to US and sold as the PALMER JOHNSON 30.
Many thanks to Owen McCall, PJ-30 owner, for supplying information on the different versions of the S&S 30. (Rig dimensions from original designers sail plan which was changed several times.)