Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Masthead Sloop
LOA: 20.50 ft / 6.25 m
LWL: 18.00 ft / 5.49 m
S.A. (reported): 194.00 ft² / 18.02 m²
Beam: 7.67 ft / 2.34 m
Displacement: 1,900.00 lb / 862 kg
Max Draft: 3.67 ft / 1.12 m
Construction: FG w/balsa cored deck
First Built: 1973
Builder: Southern Yacht (USA)

Sailboat Calculations

Definitions
S.A. / Displ.: 20.28
Disp: / Len: 145.44
Comfort Ratio: 10.38
Capsize Screening Formula: 2.48
S#: 3.80
Hull Speed: 5.69 kn
Pounds/Inch Immersion: 493.30 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 25.54 ft / 7.78 m
J: 8.30 ft / 2.53 m
P: 21.58 ft / 6.58 m
E: 7.50 ft / 2.29 m
S.A. Fore: 105.99 ft² / 9.85 m²
S.A. Main: 80.93 ft² / 7.52 m²
S.A. Total (100% Fore + Main Triangles): 186.92 ft² / 17.37 m²
S.A./Displ. (calc.): 19.54
Est. Forestay Length: 26.85 ft / 8.18 m

Sailboat Links

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Notes

Keel/centerboard version also available.
Draft BU: 1.83'/.56m
BD: 4.5'/1.37m