Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 30.83 ft / 9.40 m
LWL: 23.00 ft / 7.01 m
S.A. (reported): 395.00 ft² / 36.70 m²
Beam: 10.50 ft / 3.20 m
Displacement: 9,600.00 lb / 4,354 kg
Ballast: 3,696.00 lb / 1,676 kg
Max Draft: 5.67 ft / 1.73 m
Construction: FG
First Built: 1973
# Built: 900
Builder: Dufour
Designer: Michel Dufour

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo
Model: MD7A/MD2B
Type: Diesel
Fuel: 13 gals / 49 L

Accomodations

Water: 20 gals / 76 L

Sailboat Calculations

Definitions
S.A. / Displ.: 14.04
Bal. / Displ.: 38.50
Disp: / Len: 352.24
Comfort Ratio: 25.54
Capsize Screening Formula: 1.98
S#: 1.20
Hull Speed: 6.43 kn
Pounds/Inch Immersion: 862.91 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 37.60 ft / 11.46 m
J: 11.97 ft / 3.65 m
P: 33.30 ft / 10.15 m
E: 10.20 ft / 3.11 m
S.A. Fore: 225.04 ft² / 20.91 m²
S.A. Main: 169.83 ft² / 15.78 m²
S.A. Total (100% Fore + Main Triangles): 394.87 ft² / 36.68 m²
S.A./Displ. (calc.): 14.03
Est. Forestay Length: 39.46 ft / 12.03 m

Sailboat Links

Designers: Michel Dufour
Builders: Dufour Yachts (FRA)
Download Boat Record:

Notes

Not to be confused with the DUFOUR 3800 AKA DUFOUR 31 FRERS (1980).
Tall Rig-
I: 41.20'
J: 11.97'
P: 36.90'
E: 10.20'

Shallow draft: 4.75'
One owner reports Volvo MD2B as original engine.