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DUFOUR 31
Dufour 31 photo on sailboatdata.com
Dufour 31 drawing on sailboatdata.com

Hull Type:  Fin with rudder on skeg Rig Type:  Masthead Sloop
LOA:  30.83' / 9.40m LWL:  23.00' / 7.01m
Beam:  10.50' / 3.20m Listed SA:  395 ft2 / 36.7 m2
Draft (max.)  5.67' / 1.73m Draft (min.)  
Displacement:  9600 lbs./ 4355 kgs. Ballast:  3696 lbs. / 1677 kgs.
Sail Area/Disp.1:  14.04 Bal./Disp.:  38.51% Disp./Len.:  352.24
Designer:  Michel Dufour
Builder:  Dufour
Construction:  FG Bal. type:  
First Built:  1973 Last Built:   # Built:  900
AUXILIARY POWER (orig. equip.)
Make:  Volvo Model:  MD7A/MD2B
Type:  Diesel HP:  
TANKS
Water:  20 gals. / 76 ltrs. Fuel:  13 gals. / 49 ltrs.
RIG AND SAIL PARTICULARS  KEY
I(IG):  37.60' / 11.46m J:  11.97' / 3.65m
P:  33.30' / 10.15m E:  10.20' / 3.11m
PY:   EY:  
ISP:   SPL/TPS:  
SA(Fore.):  225.04 ft2 / 20.91 m2 SA(Main):  169.83 ft2 / 15.78 m2
Sail Area (100% fore+main triangles):   394.87 ft2 / 36.68 m2
Sail Area/Disp.2:  14.03 Est. Forestay Length.:  39.46' / 12.03m
BUILDERS (past & present)
More about & boats built by:   Dufour Yachts (FRA)
DESIGNER
More about & boats designed by:   Michel Dufour
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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