Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long Keel
Rigging Type: Masthead Sloop
LOA: 32.18 ft
LWL: 28.21 ft
S.A. (reported): 514.00 ft²
Beam: 9.45 ft
Displacement: 10,141.00 lb
Ballast: 4,850.00 lb
Max Draft: 4.92 ft
Construction: Wood/FG
Ballast Type: Iron
First Built: 1964
Last Built: 1988
# Built: 232
Builder: Arla Plastindustries/Norrlandsplast
Designer: Arvid Laurin

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Albin
Type: Gas
HP: 10

Sailboat Calculations

S.A. / Displ.: 17.61
Bal. / Displ.: 47.83
Disp: / Len: 201.66
Comfort Ratio: 26.76
Capsize Screening Formula: 1.75
S#: 1.99
Hull Speed: 7.12 kn
Pounds/Inch Immersion: 952.54 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 35.75 ft
J: 10.00 ft
P: 30.75 ft
E: 10.75 ft
S.A. Fore: 178.75 ft²
S.A. Main: 165.28 ft²
S.A. Total (100% Fore + Main Triangles): 344.03 ft²
S.A./Displ. (calc.): 11.79
Est. Forestay Length: 37.12 ft

Sailboat Links

Designers: Arvid Laurin
Associations: Laurin Koster
Download Boat Record:


Shown above is the 'MK I' or 'short cabin' version.
A number of builders produced several versions of this yacht.
For complete details and building history see the website listed here.

Thanks to 'Sparalesta' for alerting me to the existance of this yacht.
The website, listed here, provides very thorough documentation for this and other 'Koster' and related boats from this designer.