Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Keel/Cbrd.
Rigging Type: Masthead Sloop
LOA: 49.00 ft
LWL: 37.25 ft
S.A. (reported): 1,011.00 ft²
Beam: 13.17 ft
Displacement: 34,660.00 lb
Ballast: 15,000.00 lb
Max Draft: 11.00 ft
Min Draft: 4.92 ft
Construction: FG
Ballast Type: Lead
First Built: 1989
Builder: Bristol Yachts Inc. (USA)
Designer: Ted Hood

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Sailboat Calculations

S.A. / Displ.: 15.28
Bal. / Displ.: 43.28
Disp: / Len: 299.37
Comfort Ratio: 42.41
Capsize Screening Formula: 1.62
S#: 1.62
Hull Speed: 8.18 kn
Pounds/Inch Immersion: 1,752.91 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 57.92 ft
J: 18.50 ft
P: 50.67 ft
E: 18.75 ft
S.A. Fore: 535.76 ft²
S.A. Main: 475.03 ft²
S.A. Total (100% Fore + Main Triangles): 1,010.79 ft²
S.A./Displ. (calc.): 15.28
Est. Forestay Length: 60.80 ft

Sailboat Links

Designers: Dieter Empacher
Ted Hood
Builders: Bristol Yachts
Download Boat Record:


Based on the BRISTOL 47.7.
Built on a semi-custom basis so particulars vary.