Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 11.41 m
LWL: 9.88 m
S.A. (reported): 69.68 m²
Beam: 3.76 m
Displacement: 6,123 kg
Ballast: 2,585 kg
Max Draft: 2.21 m
Construction: FG
Ballast Type: Lead
First Built: 1987
Last Built: 1991
# Built: 52
Builder: J Boats Tillotson Pearson (USA)
Designer: Rodney S. Johnstone

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: 2003
Type: Diesel
HP: 28
Fuel: 114 L

Accomodations

Water: 189 L

Sailboat Calculations

Definitions
S.A. / Displ.: 21.24
Bal. / Displ.: 42.22
Disp: / Len: 176.87
Comfort Ratio: 21.68
Capsize Screening Formula: 2.08
S#: 3.51
Hull Speed: 7.63 kn
Pounds/Inch Immersion: 1,428.31 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 15.70 m
J: 4.48 m
P: 13.72 m
E: 5.03 m
S.A. Fore: 35.17 m²
S.A. Main: 34.49 m²
S.A. Total (100% Fore + Main Triangles): 69.66 m²
S.A./Displ. (calc.): 21.23
Est. Forestay Length: 16.33 m

Sailboat Links

Designers: Rod Johnstone
Builders: J Boats
Download Boat Record:

Notes

A more cruising oriented version, the J/37C, introduced somewhat later(1989?) with the same hull, has an extended coach roof (smaller cockpit), modified interior (larger galley, etc.), larger anchor well with the engine re-positioned aft. Also available with a winged keel.