Dufour 425 Grand Large

2006
Designer
Umberto Felci
Builder
Dufour Yachts
Associations
?
# Built
?
Hull Type
Fin Keel w/bulb
Construction
FG

Dimensions

Length Overall
42 3 / 12.9 m
Waterline Length
36 10 / 11.2 m
Beam
13 7 / 4.2 m
Draft
5 6 / 1.7 m 6 10 / 2.1 m
Displacement
19,440 lbs / 8,820 kg
Ballast
5,380 lbs / 2,440 kg
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
722 ft2 / 67.1 m2
Total Sail Area
721.7 ft2 / 67.1 m2
Mainsail
Sail Area
346.1 ft2 / 32.2 m2
P
44 10 / 13.7 m
E
15 5 / 4.7 m
Mast Height
56 1 / 17.1 m
Foresail
Sail Area
375.7 ft2 / 34.9 m2
I
48 2 / 14.7 m
J
15 7 / 4.8 m
Forestay Length
50 8 / 15.5 m

Auxilary Power

Make
Volvo
Model
?
HP
40
Fuel Type
Diesel
Fuel Capacity
42 gal / 159 l

Accomodations

Water Capacity
116 gal / 439 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
8.13 knots
Sail Area/Displacement
15.98
under powered
Ballast/Displacement
27.66
less stiff, less powerful
Displacement/Length
173.62
light
Comfort Ratio
23.85
coastal cruiser
Capsize Screening
2.03
better suited for coastal cruising

Notes

Shallow draft version:
draft: 5.58’/1.7m
Ballast: 1134 lbs/2500kg


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