Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 34.00 ft / 10.36 m
LWL: 26.00 ft / 7.92 m
S.A. (reported): 505.00 ft² / 46.92 m²
Beam: 11.20 ft / 3.41 m
Displacement: 8,100.00 lb / 3,674 kg
Ballast: 3,400.00 lb / 1,542 kg
Max Draft: 6.20 ft / 1.89 m
Construction: FG
Ballast Type: Lead
First Built: 1985
Last Built: 1987
# Built: 25
Builder: J Boats Tillotson Pearson (USA)
Designer: Johnstone

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo
Type: Diesel
HP: 18

Sailboat Calculations

Definitions
S.A. / Displ.: 20.10
Bal. / Displ.: 41.98
Disp: / Len: 205.74
Comfort Ratio: 17.65
Capsize Screening Formula: 2.23
S#: 2.98
Hull Speed: 6.83 kn
Pounds/Inch Immersion: 1,040.49 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 44.00 ft / 13.41 m
J: 12.60 ft / 3.84 m
P: 38.00 ft / 11.58 m
E: 12.00 ft / 3.66 m
S.A. Fore: 277.20 ft² / 25.75 m²
S.A. Main: 228.00 ft² / 21.18 m²
S.A. Total (100% Fore + Main Triangles): 505.20 ft² / 46.93 m²
S.A./Displ. (calc.): 20.11
Est. Forestay Length: 45.77 ft / 13.95 m

Sailboat Links

Designers: Rod Johnstone
Builders: J Boats
Associations: IOR 3/4 ton
Download Boat Record:

Notes

Designed as IOR 3/4 ton level racer.