Dufour 2800 Deep draft

Sailboat specifications

The Dufour 2800 is a 27’ (8.23m) cruising sailboat designed by Michel Dufour (France). She was built between 1977 and 1983 by Dufour (France). The Deep draft version displays a deeper fin allowing a lower center of gravity and extra performance especially upwind.

The Dufour 2800 is as well listed, on Boat-Specs.com, in Shoal draft version (see all the versions compared).

Dufour 2800's main features

Model: Dufour 2800
Version: Deep draft
Hull type: Monohull
Category: Cruising sailboat
Sailboat builder: Dufour
Sailboat designer: Michel Dufour
Country: France
Construction: GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
Number of hulls built: About 1500
First built hull: 1977
Last built hull: 1983
Appendages: Keel : fin without bulb
Helm: Single tiller
Rudder: Single spade rudder
Unsinkable: No
Trailerable: No
Former French navigation category: 2
Standard public price ex. VAT (indicative only): N/A €

Dufour 2800's main dimensions

Overall length: 27’ 8”8.45 m
Hull length: 27’8.23 m
Waterline length: 23’ 6”7.15 m
Beam (width): 9’ 4”2.84 m
Waterline beam (width): 8’ 1”2.47 m
Draft: 5’1.52 m
Mast height from D_WL: 37’ 5”11.4 m
Fore freeboard: 3’ 8”1.14 m
Mid-ship freeboard: 3’ 2”0.98 m
Light displacement (M_LC): 5842 lb2650 kg
Maximum displacement (M_LDC): 7253 lb3290 kg
Ballast weight: 1984 lb900 kg
Ballast type: Cast iron
French customs tonnage: 7.11 Tx

Dufour 2800's rig and sails

Upwind sail area: 436 ft²40.53 m²
Downwind sail area: 737 ft²68.48 m²
Mainsail area: 156 ft²14.48 m²
Genoa area: 280 ft²26.05 m²
Jib area: 184 ft²17.07 m²
Stormjib area: 43 ft²4 m²
Symmetric spinnaker area: 581 ft²54 m²
I iFore triangle height (from mast foot to fore stay top attachment): 32’ 10”10 m
J iFore triangle base (from mast foot to bottom of forestay): 10’ 11”3.32 m
P iMainsail hoist measurement (from tack to head): 28’ 1”8.55 m
E iMainsail foot measurement (from tack to clew): 9’ 6”2.9 m
Rigging type: Sloop Marconi masthead
Mast configuration: Deck stepped mast
Rotating spars: No
Number of levels of spreaders: 1
Spreaders angle: 0 °
Spars construction: Aluminum spars
Standing rigging: 1x19 strand wire continuous

Dufour 2800's performances

IOR rating iIOR, or International Offshore Rule, was a measurement rule system used internationally for ocean racing. It allows boats of different sizes and designs to race each other fairly. Therefore, by comparing these values, we can have an indication of the relative speed of 2 boats.: 20.4
Upwind sail area to displacement iThe 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 25 it indicates a fast sailboat.: 228 ft²/T21.16 m²/T
Downwind sail area to displacement iThe 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.: 385 ft²/T35.76 m²/T
Displacement-length ratio (DLR) iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The 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.: 205
Ballast ratio iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared. The higher the ballast ratio is, the greater is the stability.: 34 %
Wetted area: 167 ft²15.53 m²
Maximum transverse section: 13 ft²1.21 m²
Critical hull speed iAs 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.: 6.49 knots

Dufour 2800's auxiliary engine

Engine(s): 1 inboard engine
Engine(s) power (min./max.): 8 HP / 16 HP
Fuel type: Diesel
Fuel tank capacity: 10.6 gal40 liters

Dufour 2800's accommodations and layout

Cockpit: Closed aft cockpit
Cabin(s): 1
Berth(s): 5
Head(s): 1
Freshwater tank capacity: 34.3 gal130 liters
Maximum headroom: 6’1.84 m
Head headroom: 5’ 10”1.78 m

Dufour 2800's saloon

Maximum headroom: 5’ 11”1.79 m
Saloon table length: 3’ 1”0.95 m
Saloon table width: 3’0.9 m
Saloon width: 9’ 2”2.8 m
Berth length: 6’ 4”1.91 m
Chart table: 2’ 10”0.86 m x 2’ 1”0.64 m
Berth width (head/elbows/knees/feet): 1’ 11”0.58 m / 1’ 11”0.58 m / 1’ 11”0.58 m / 1’ 11”0.58 m

Dufour 2800's fore cabin

Maximum headroom: 5’ 7”1.72 m
Berth length: 6’ 7”2 m
Berth width (head/elbows/knees/feet): 6’ 7”2 m / 4’ 8”1.42 m / 2’ 8”0.83 m / 0’ 10”0.25 m