Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Cutter
LOA: 40.58 ft / 12.37 m
LWL: 32.67 ft / 9.96 m
S.A. (reported): 788.00 ft² / 73.21 m²
Beam: 12.17 ft / 3.71 m
Displacement: 22,046.00 lb / 10,000 kg
Ballast: 9,800.00 lb / 4,445 kg
Max Draft: 5.90 ft / 1.80 m
Construction: FG
First Built: 1973
# Built: 57
Builder: Southern Boatbuilding Co. (UK)
Designer: Peter Brett

Sailboat Calculations

Definitions
S.A. / Displ.: 16.10
Bal. / Displ.: 44.45
Disp: / Len: 282.25
Comfort Ratio: 34.86
Capsize Screening Formula: 1.74
S#: 1.81
Hull Speed: 7.66 kn
Pounds/Inch Immersion: 1,420.65 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 53.40 ft / 16.28 m
J: 15.20 ft / 4.63 m
P: 48.70 ft / 14.84 m
E: 15.70 ft / 4.79 m
S.A. Fore: 405.84 ft² / 37.70 m²
S.A. Main: 382.30 ft² / 35.52 m²
S.A. Total (100% Fore + Main Triangles): 788.14 ft² / 73.22 m²
S.A./Displ. (calc.): 16.10
Est. Forestay Length: 55.52 ft / 16.92 m

Sailboat Links

Designers: Peter Brett
Builders: Marine Construction Ltd. (UK)
Associations: Rival Owners Association
Download Boat Record:

Notes

Center and aft cockpit versions. Fractional sloop, cutter, and ketch rigs.