DUFOUR 31

DUFOUR 31 photo DUFOUR 31 drawing

Sailboat Specifications


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
Draft (max):
5.67 ft / 1.73 m
Draft (min):
Displacement:
9,600 lb / 4,354 kg
Ballast:
3,696 lb / 1,676 kg
S.A./Disp.:
14.04
Bal./Disp.:
38.50
Disp./Len.:
352.24
Construction:
FG
Ballast Type:
First Built:
1973
Last Built:
# Built:
900
Builder:
Dufour
Designer:
Michel Dufour
Website:

Auxiliary Power/Tanks (orig. equip.)

Make:
Volvo
Model:
MD7A/MD2B
Type:
Diesel
HP:
Water:
20 gals / 76 L
Fuel:
13 gals / 49 L

Sailboat Calculations

S.A./Disp.:
14.04
Bal./Disp.:
38.50
Disp./Len.:
352.24
Comfort Ratio:
25.54

Rig and Sail Particulars

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
SPL/TPS:
ISP:
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./Disp. (calc.):
14.03
Est. Forestay Len.:
39.46 ft / 12.03 m

Sailboat Links

Designers:

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.



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