Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Ketch
LOA: 31.58 ft
LWL: 26.33 ft
S.A. (reported): 331.00 ft²
Beam: 8.00 ft
Displacement: 8,000.00 lb
Ballast: 1,950.00 lb
Max Draft: 3.50 ft
Construction: FG
First Built: 1975
Last Built: 1976
# Built: 6
Builder: Harstad Trawler Company (USA)
Designer: W.I.B. Crealock

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 2QM20H
Type: Diesel
HP: 20
Fuel: 25 gals

Accomodations

Water: 46 gals

Sailboat Calculations

Definitions
S.A. / Displ.: 13.28
Bal. / Displ.: 24.38
Disp: / Len: 195.65
Comfort Ratio: 27.76
Capsize Screening Formula: 1.60
S#: 2.06
Hull Speed: 6.88 kn
Pounds/Inch Immersion: 752.64 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 27.00 ft
J: 13.00 ft
P: 22.00 ft
E: 11.00 ft
PY: 14.00 ft
EY: 5.00 ft
S.A. Fore: 175.50 ft²
S.A. Main: 121.00 ft²
S.A. Total (100% Fore + Main Triangles): 296.50 ft²
S.A./Displ. (calc.): 11.90
Est. Forestay Length: 29.97 ft

Sailboat Links

Designers: William Crealock
Download Boat Record:

Notes

The HARSTED 31 came from the same mold as those used to produced the larger models from Clipper Marine (30-32).