Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Masthead Sloop
LOA: 8.99 m
LWL: 7.62 m
S.A. (reported): 41.81 m²
Beam: 3.35 m
Displacement: 2,722 kg
Ballast: 953 kg
Max Draft: 1.71 m
Construction: FG
Ballast Type: Lead
First Built: 1982
Last Built: 1987
# Built: 298
Builder: J Boats Tillotson Pearson (USA)
Designer: Johnstone

KLSC Leaderboard

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Sailboat Calculations

Definitions
S.A. / Displ.: 21.87
Bal. / Displ.: 35.00
Disp: / Len: 171.43
Comfort Ratio: 14.43
Capsize Screening Formula: 2.43
S#: 3.67
Hull Speed: 6.70 kn
Pounds/Inch Immersion: 982.61 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 12.19 m
J: 3.66 m
P: 10.67 m
E: 3.66 m
S.A. Fore: 22.30 m²
S.A. Main: 19.51 m²
S.A. Total (100% Fore + Main Triangles): 41.81 m²
S.A./Displ. (calc.): 21.87
Est. Forestay Length: 12.73 m

Sailboat Links

Designers: Rod Johnstone
Builders: J Boats
Associations: J/29 Class Assoc. Home Page
Related Sailboats: J/29 FR
Download Boat Record:

Notes

Dimensions for masthead rig.
See J/29 FR for more details.