Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Wing Keel
Rigging Type: Masthead Sloop
LOA: 34.50 ft / 10.52 m
LWL: 30.00 ft / 9.14 m
S.A. (reported): 612.00 ft² / 56.86 m²
Beam: 11.10 ft / 3.38 m
Displacement: 12,000.00 lb / 5,443 kg
Ballast: 4,500.00 lb / 2,041 kg
Max Draft: 4.90 ft / 1.49 m
Construction: FG
Ballast Type: Lead
First Built: 1986
Last Built: 1990
# Built: 36
Builder: J Boats Tillotson Pearson (USA)
Designer: Rodney S. Johnstone

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo
Type: Diesel
HP: 28

Sailboat Calculations

Definitions
S.A. / Displ.: 18.75
Bal. / Displ.: 37.50
Disp: / Len: 198.41
Comfort Ratio: 23.97
Capsize Screening Formula: 1.94
S#: 2.93
Hull Speed: 7.34 kn
Pounds/Inch Immersion: 1,189.85 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 45.70 ft / 13.93 m
J: 13.50 ft / 4.11 m
P: 40.50 ft / 12.34 m
E: 15.00 ft / 4.57 m
S.A. Fore: 308.48 ft² / 28.66 m²
S.A. Main: 303.75 ft² / 28.22 m²
S.A. Total (100% Fore + Main Triangles): 612.23 ft² / 56.88 m²
S.A./Displ. (calc.): 18.75
Est. Forestay Length: 47.65 ft / 14.52 m

Sailboat Links

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

Notes

Features 'UFO' keel, which, according to the builder is 'part wing and part bulb'. Displacement was originally listed as 10,000 lb/ 4,536 kg.