Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Fractional Sloop
LOA: 21.75 ft / 6.63 m
LWL: 18.24 ft / 5.56 m
S.A. (reported): 279.00 ft² / 25.92 m²
Beam: 9.16 ft / 2.79 m
Displacement: 2,800.00 lb / 1,270 kg
Ballast: 1,200.00 lb / 544 kg
Max Draft: 4.58 ft / 1.40 m
Construction: Wood/FG
Ballast Type: Iron
First Built: 1975
Builder: Seaglass (UK)
Designer: David Thomas

Sailboat Calculations

Definitions
S.A. / Displ.: 22.53
Bal. / Displ.: 42.86
Disp: / Len: 205.98
Comfort Ratio: 11.74
Capsize Screening Formula: 2.60
S#: 2.72
Hull Speed: 5.72 kn
Pounds/Inch Immersion: 596.99 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 27.00 ft / 8.23 m
J: 8.50 ft / 2.59 m
P: 27.00 ft / 8.23 m
E: 7.80 ft / 2.38 m
SPL/TPS: 9.00 ft / 2.74 m
ISP: 27.00 ft / 8.23 m
S.A. Fore: 114.75 ft² / 10.66 m²
S.A. Main: 105.30 ft² / 9.78 m²
S.A. Total (100% Fore + Main Triangles): 220.05 ft² / 20.44 m²
S.A./Displ. (calc.): 17.77
Est. Forestay Length: 28.31 ft / 8.63 m

Sailboat Links

Designers: David Thomas
Associations: Mini Ton Class
Download Boat Record:

Notes

Originally designed to be built of plywood (multi-chine) by individuals. Later built of FG. Thanks to INTRO 22 owner Nick Jaguar for supplying images and information.
IOR Mini ton.