Sailboat specifications and datasheets

Grand Soleil 56 deep draft

The Grand Soleil 56, here in "deep draft" version, is a 55’5” monohull sailboat designed by Philippe Briand. She was built by Cantiere Del Pardo (Italy) and made of GRP (glass reinforced polyester). The production started in 2002 .

The Grand Soleil 56 belongs to the Grand Soleil range. The Grand Soleil 56 is as well listed, on, in version Shoal draft.

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Grand Soleil 56's   Main Features
Model Grand Soleil 56
Version Deep draft
Type of hull Monohull
Category Offshore cruiser-racer sailboat
Designer Philippe Briand
Range Grand Soleil
Construction GRP (glass reinforced polyester)
First built hull 2002
Last built hull Discontinued
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Open aft cockpit with closing system
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) N/A
Grand Soleil 56's   Main dimensions
Hull length 55’ 5”
Waterline length 48’ 10”
Beam (width) 15’ 10”
Draft 10’ 2”
Light displacement 41888 lbs
Ballast weight 15432 lbs
Grand Soleil 56's   Rig and sails
Upwind sail area 2045 sq.ft
Rigging type Sloop Marconi fractional
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum (carbon fiber as an option)
Grand Soleil 56's   Performances
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.
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.
37 %
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.
9.36 knots
Grand Soleil 56's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 100 HP
Fuel type Diesel
Fuel tank capacity 105.7 gal
Grand Soleil 56's   Accommodation
Cabin(s) 3
Berth(s) (min/max) 6 / 8
Head(s) 3
Fresh water tank capacity 158.5 gal

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