Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 30.50 ft / 9.30 m
LWL: 23.60 ft / 7.19 m
S.A. (reported): 370.00 ft² / 34.37 m²
Beam: 10.50 ft / 3.20 m
Displacement: 5,500.00 lb / 2,495 kg
Ballast: 2,645.00 lb / 1,200 kg
Max Draft: 5.60 ft / 1.71 m
Construction: FG
First Built: 1983
Last Built: 1985
# Built: 25
Builder: Hunter Boats (UK)
Designer: Van de Stadt

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 2GM
Type: Diesel
HP: 15

Sailboat Calculations

Definitions
S.A. / Displ.: 19.06
Bal. / Displ.: 48.09
Disp: / Len: 186.80
Comfort Ratio: 14.45
Capsize Screening Formula: 2.38
S#: 3.11
Hull Speed: 6.51 kn
Pounds/Inch Immersion: 885.42 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 33.30 ft / 10.15 m
J: 6.50 ft / 1.98 m
P: 37.10 ft / 11.31 m
E: 14.10 ft / 4.30 m
S.A. Fore: 108.23 ft² / 10.05 m²
S.A. Main: 261.56 ft² / 24.30 m²
S.A. Total (100% Fore + Main Triangles): 369.79 ft² / 34.35 m²
S.A./Displ. (calc.): 19.05
Est. Forestay Length: 33.93 ft / 10.34 m

Sailboat Links

Designers: E. G. Van de Stadt
Builders: Hunter Boats Ltd. (UK)
Associations: Half Ton Class
Hunter Association (UK)
Download Boat Record:

Notes

IOR 1/2 ton. Another version was the FORMULA 31.