Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 23.88 ft / 7.28 m
LWL: 18.04 ft / 5.50 m
S.A. (reported): 257.00 ft² / 23.88 m²
Beam: 8.66 ft / 2.64 m
Displacement: 2,866.00 lb / 1,300 kg
Ballast: 1,257.00 lb / 570 kg
Max Draft: 14.76 ft / 4.50 m
Construction: FG
First Built: 1973
Last Built: 1976
Builder: Dufour (FRA)
Designer: Michel Dufour

Auxiliary Power/Tanks (orig. equip.)

Fuel: 15 gals / 57 L

Accomodations

Water: 26 gals / 98 L

Sailboat Calculations

Definitions
S.A. / Displ.: 20.43
Bal. / Displ.: 43.86
Disp: / Len: 217.93
Comfort Ratio: 12.62
Capsize Screening Formula: 2.44
S#: 2.86
Hull Speed: 5.69 kn
Pounds/Inch Immersion: 558.21 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 31.17 ft / 9.50 m
J: 9.18 ft / 2.80 m
P: 27.89 ft / 8.50 m
E: 8.20 ft / 2.50 m
S.A. Fore: 143.07 ft² / 13.29 m²
S.A. Main: 114.35 ft² / 10.62 m²
S.A. Total (100% Fore + Main Triangles): 257.42 ft² / 23.92 m²
S.A./Displ. (calc.): 20.47
Est. Forestay Length: 32.49 ft / 9.90 m

Sailboat Links

Designers: Michel Dufour
Builders: Dufour Yachts (FRA)
Associations: Quarter Ton Class
Related Sailboats: QUARTER TON CLASS
Download Boat Record:

Notes

Early (1973) IOR 1/4 ton racer. (18')
A boat to this same design was also built in Poland.