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Sailboat specifications and datasheets

Dufour 36 Classic deep draft

The Dufour 36 Classic, here in "deep draft" version, is a 35’4” monohull sailboat designed by Alain Mortain and Yiannis Mavrikios. She was built by Dufour (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1999 and 2004 with 470 hulls completed.
Dufour 36 Classic Dufour 36 Classic sailplanDufour 36 Classic layoutDufour 36 Classic accommodations
Dufour 36 Classic's   Main Features
Model Dufour 36 Classic
Version Deep draft
Type of hull Monohull
Shipyard
Designer Alain Mortain
Yiannis Mavrikios
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich fiberglass / polyester
First built hull 1999
Last built hull 2004
Number of hulls built 470
Appendages Keel :
Fin without bulb
Helm 1 wheel
Rudder 1 spade rudder
Unsinkable No
Trailerable No
EC certification A
Standard public price (indicative only) N/A
Dufour 36 Classic's   Main dimensions
Length overall 36’ 4”
Hull length 35’ 4”
Waterline length 30’ 1”
Beam (width) 12’ 5”
Draft 5’ 11”
Mast height from DWL 49’ 2”
Light displacement 13007 lbs
Ballast weight 3527 lbs
Ballast type Cast iron
French customs tonnage 13.00 Tx
Dufour 36 Classic's   Rig and sails
Upwind sail area 743 sq.ft
Downwind sail area 1340 sq.ft
Mainsail area 318 sq.ft
Genoa area 425 sq.ft
Symetric spinnaker area 1023 sq.ft
Rigging type Sloop Marconi masthead
Spars Mast and boom in Aluminum
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 46’ 6”
JiFore triangle base (from mast foot to bottom of forestay) 12’ 8”
PiMainsail hoist measurement (from tack to head) 40’ 7”
EiMainsail foot measurement (from tack to clew) 13’ 6”
Dufour 36 Classic's   Performances
HN (French rating) 21.5
Upwind sail area to displacementiThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.
The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind : under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 23 it indicates a fast sailboat.
21.13
Downwind sail area to displacementiThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.
The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind : under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 23 it indicates a fast sailboat.
38.13
Displacement-Length ratio (DLR)iThe Displacement Length ratio is a figure that points out the boat's weight compared to its waterline length. DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).
The DLR can be used to compare the relative mass of different sailboats no matter what their length: a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.
217
Ballast ratioiThe Ballast ratio is an indicator of the stability; it is obtained by dividing the boat's displacement by the weight of the ballast. Since the stability depends also of the hull shape and the position of the center of gravity, only boats with similar ballast arrangements and hull shape should be considered.
Higher the ballast ratio is, greater is the stability.
27 %
Hull speediAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".
The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.
7.35 knots
Dufour 36 Classic's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 28 HP
Fuel type Diesel
Fuel tank capacity 44.9 gal
Dufour 36 Classic's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 6 / 8
Head(s) (min/max) 1 / 2
Fresh water tank capacity 89.8 gal
Fridge/ice-box capacity 34.3 gal
Maximum headroom 6’ 2”
Dufour 36 Classic's   Fore cabin
Berth length 6’ 2”
Berth width 5’ 2”

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