Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Swing Keel
Rigging Type: Fractional Sloop
LOA: 22.25 ft
LWL: 17.00 ft
S.A. (reported): 240.00 ft²
Beam: 8.17 ft
Displacement: 1,950.00 lb
Ballast: 850.00 lb
Max Draft: 5.00 ft
Min Draft: 2.25 ft
Construction: FG
Ballast Type: Iron
First Built: 1975
Last Built: 1985
# Built: 130
Builder: Zygal Boats (UK)
Designer: Andrew Stewart

Sailboat Calculations

Definitions
S.A. / Displ.: 24.66
Bal. / Displ.: 43.59
Disp: / Len: 177.19
Comfort Ratio: 9.88
Capsize Screening Formula: 2.62
S#: 3.13
Hull Speed: 5.52 kn
Pounds/Inch Immersion: 496.27 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 25.00 ft
J: 8.50 ft
P: 21.50 ft
E: 6.50 ft
S.A. Fore: 106.25 ft²
S.A. Main: 69.88 ft²
S.A. Total (100% Fore + Main Triangles): 176.13 ft²
S.A./Displ. (calc.): 18.10
Est. Forestay Length: 26.41 ft

Sailboat Links

Builders: Zygal Boats (UK)
Associations: Mini Ton Class
Download Boat Record:

Notes

Designed as IOR min-tonner. (>6.5')
A fixed keel version was also available.
Transom mounted lifting rudder.