Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Fractional Sloop
LOA: 24.00 ft
LWL: 20.00 ft
S.A. (reported): 262.00 ft²
Beam: 8.90 ft
Displacement: 3,100.00 lb
Ballast: 950.00 lb
Max Draft: 4.00 ft
Construction: FG balsa cored hull & deck
Ballast Type: Lead
First Built: 1977
# Built: 5400
Builder: J Boats Tillotson Pearson (USA)
Designer: Johnstone

Sailboat Calculations

Definitions
S.A. / Displ.: 19.77
Bal. / Displ.: 30.65
Disp: / Len: 172.99
Comfort Ratio: 12.29
Capsize Screening Formula: 2.44
S#: 3.39
Hull Speed: 5.99 kn
Pounds/Inch Immersion: 636.01 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 26.25 ft
J: 9.50 ft
P: 28.00 ft
E: 9.75 ft
S.A. Fore: 124.69 ft²
S.A. Main: 136.50 ft²
S.A. Total (100% Fore + Main Triangles): 261.19 ft²
S.A./Displ. (calc.): 19.71
Est. Forestay Length: 27.92 ft

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