Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 29.82 ft
LWL: 23.20 ft
S.A. (reported): 390.00 ft²
Beam: 9.94 ft
Displacement: 7,275.00 lb
Ballast: 3,064.00 lb
Max Draft: 5.51 ft
Construction: FG
Ballast Type: Lead
First Built: 1972
Last Built: 1980
# Built: 1000
Builder: Comfortbåtar AB (SWE) / Robertsons (UK)
Designer: Kenneth Albinsson

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 16.67
Bal. / Displ.: 42.12
Disp: / Len: 260.09
Comfort Ratio: 20.95
Capsize Screening Formula: 2.06
S#: 2.05
Hull Speed: 6.45 kn
Pounds/Inch Immersion: 823.99 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 38.71 ft
J: 11.81 ft
P: 32.80 ft
E: 9.84 ft
S.A. Fore: 228.58 ft²
S.A. Main: 161.38 ft²
S.A. Total (100% Fore + Main Triangles): 389.96 ft²
S.A./Displ. (calc.): 16.67
Est. Forestay Length: 40.47 ft
Mast Height from DWL: 42.00 ft

Sailboat Links

Designers: Kenneth Albinsson
Builders: Comfortbåtar AB
Robertson and Sons Ltd.
Download Boat Record:

Notes

Based on the JOKER S30 by Rolf Magnusson. A few were built in the mid 1970s by Robertsons of Scotland (12?), but most were built in Sweden.