Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Sloop
LOA: 10.08 m
LWL: 7.32 m
S.A. (reported): 45.24 m²
Beam: 2.74 m
Displacement: 5,300 kg
Max Draft: 1.74 m
Construction: Wood planked/cold molded/FG
First Built: 1960
Builder: Cnstr. Mécaniques de Normandie (FRA)
Designer: Illingworth & Primrose

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

S.A. / Displ.: 15.19
Disp: / Len: 376.38
Comfort Ratio: 36.23
Capsize Screening Formula: 1.59
S#: 1.15
Hull Speed: 6.57 kn
Pounds/Inch Immersion: 771.58 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.43 m
J: 3.72 m
P: 11.89 m
E: 4.04 m
S.A. Fore: 21.25 m²
S.A. Main: 24.00 m²
S.A. Total (100% Fore + Main Triangles): 45.26 m²
S.A./Displ. (calc.): 15.19
Est. Forestay Length: 12.02 m

Sailboat Links

Designers: Angus Primrose
John Illingworth
Related Sailboats: SUPER MAÏCA
Download Boat Record:


First boat, 'Maica', was commissioned by French yachtsman Henri Rouault and based a earlier Illingworth design, 'Belmore'. Built at Burnes of Bosham(UK)1960.
At least 30 built by CMN of Cherbourg, FRA.
Cold molded counter stern version introduced in 1962.
LOA for counter stern: 11.06m/36.29'
A further modified version was later built in Italy of fiberglass.