Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Fractional Sloop
LOA: 6.86 m
LWL: 5.79 m
S.A. (reported): 20.72 m²
Beam: 2.44 m
Displacement: 812 kg
Ballast: 318 kg
Max Draft: 1.16 m
Construction: FG
Ballast Type: Lead
First Built: 1983
Builder: J Boats Tillotson Pearson (USA)
Designer: Johnstone

Auxiliary Power/Tanks (orig. equip.)

Type: Outboard

Sailboat Calculations

Definitions
S.A. / Displ.: 24.26
Bal. / Displ.: 39.11
Disp: / Len: 116.50
Comfort Ratio: 8.64
Capsize Screening Formula: 2.64
S#: 5.06
Hull Speed: 5.84 kn
Pounds/Inch Immersion: 543.11 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 7.56 m
J: 2.68 m
P: 7.96 m
E: 2.74 m
S.A. Fore: 10.14 m²
S.A. Main: 10.91 m²
S.A. Total (100% Fore + Main Triangles): 21.05 m²
S.A./Displ. (calc.): 24.64
Est. Forestay Length: 8.02 m

Sailboat Links

Designers: Rod Johnstone
Builders: J Boats
Waterline Systems LLC
Associations: International J/22 Class
J/22 Class USA
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