Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 7.17 m
LWL: 5.95 m
S.A. (reported): 20.16 m²
Beam: 2.25 m
Displacement: 1,750 kg
Ballast: 600 kg
Max Draft: 1.20 m
Construction: FG
Ballast Type: Iron
First Built: 1968
Last Built: 1975
# Built: 200
Builder: Birka Marine (FIN)
Designer: Heinz-Jurgen Sass

Sailboat Calculations

Definitions
S.A. / Displ.: 14.15
Bal. / Displ.: 34.29
Disp: / Len: 231.57
Comfort Ratio: 20.07
Capsize Screening Formula: 1.88
S#: 2.04
Hull Speed: 5.92 kn
Pounds/Inch Immersion: 514.73 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 7.80 m
J: 2.75 m
P: 7.08 m
E: 2.66 m
S.A. Fore: 10.73 m²
S.A. Main: 9.42 m²
S.A. Total (100% Fore + Main Triangles): 20.15 m²
S.A./Displ. (calc.): 14.14
Est. Forestay Length: 8.27 m

Sailboat Links

Designers: Heinz-Jurgen Sass
Builders: Birka Marine (FIN)
Download Boat Record:

Notes

Another version called the ROCK 24 is probably based on the same hull but with a different sail plan.