Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 26.83 ft
LWL: 21.75 ft
S.A. (reported): 306.00 ft²
Beam: 8.86 ft
Displacement: 6,850.00 lb
Ballast: 2,700.00 lb
Max Draft: 4.33 ft
Construction: FG
First Built: 1971
Builder: Eric Birch Yachts (UK)
Designer: Frank Butler/ Bob Finch

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Sailboat Calculations

Definitions
S.A. / Displ.: 13.62
Bal. / Displ.: 39.42
Disp: / Len: 297.21
Comfort Ratio: 24.88
Capsize Screening Formula: 1.87
S#: 1.64
Hull Speed: 6.25 kn
Pounds/Inch Immersion: 688.56 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 34.50 ft
J: 11.30 ft
P: 28.70 ft
E: 10.50 ft
S.A. Fore: 194.93 ft²
S.A. Main: 150.68 ft²
S.A. Total (100% Fore + Main Triangles): 345.61 ft²
S.A./Displ. (calc.): 15.38
Est. Forestay Length: 36.30 ft

Sailboat Links

Designers: Frank W. Butler
Robert Finch
Builders: Russell Marine Ltd.
Associations: Jaguar Owners Association (UK)
Related Sailboats: CATALINA 27
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Notes

Same design as the US CATALINA 27. A twin keel version was also available reducing the draft to 3.65 ft.. Some boats had transom hung rudders.

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