Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 12.05 m
LWL: 9.19 m
S.A. (reported): 55.46 m²
Beam: 3.56 m
Displacement: 6,985 kg
Ballast: 3,175 kg
Max Draft: 1.75 m
Construction: FG
Ballast Type: Lead
First Built: 1971
Last Built: 1990
Builder: Le Comte (NL)
Designer: S&S/D. Le Compte

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Westerbeke
Model: 4-107
Type: Diesel

Sailboat Calculations

S.A. / Displ.: 15.49
Bal. / Displ.: 45.45
Disp: / Len: 250.60
Comfort Ratio: 27.37
Capsize Screening Formula: 1.88
S#: 2.02
Hull Speed: 7.36 kn
Pounds/Inch Immersion: 1,257.62 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 14.20 m
J: 4.75 m
P: 12.44 m
E: 3.49 m
S.A. Fore: 33.77 m²
S.A. Main: 21.68 m²
S.A. Total (100% Fore + Main Triangles): 55.45 m²
S.A./Displ. (calc.): 15.48
Est. Forestay Length: 14.98 m

Sailboat Links

Designers: Sparkman & Stephens
Builders: LeComte Yachts
Associations: One Ton Class
Download Boat Record:


Modified (by Le Compte) version of a slightly earlier S&S 40 IOR 1 ton design (S&S #2062).
A vertically extendable rudder was available as an option.
(Also intended as an IOR 1 ton racer)

Tall rig:
I: 47.5
J: 15.6
P: 41.6
E: 13.9

Shoal draft version: 4.6'.