The Grand Soleil 50 - Peterson
is a 49’ (14.93m) cruiser-racer sailboat designed by Douglas Peterson
(United States). She was built since 1993 (and now discontinued) by Del Pardo, Cantiere
The Grand Soleil 50 - Peterson
is as well listed, on Boat-Specs.com, in Deep draft
version (see all the versions compared
Grand Soleil 50 - Peterson's main features
Grand Soleil 50 - Peterson
Offshore cruiser-racer sailboat
Hull and deck: GRP (glass reinforced polyester)
Number of hulls built
First built hull
Last built hull
Keel : fin without bulb
Single helm wheel
Single spade rudder
Standard public price ex. VAT (indicative only)
Grand Soleil 50 - Peterson's main dimensions
50’ 2”15.31 m
40’ 2”12.26 m
14’ 1”4.3 m
7’ 2”2.2 m
Light displacement (MLC)
31416 lb14250 kg
9480 lb4300 kg
Grand Soleil 50 - Peterson's rig and sails
Upwind sail area
1453 ft²135 m²
624 ft²58 m²
829 ft²77 m²
Sloop Marconi fractional
Keel stepped mast
Grand Soleil 50 - Peterson's performances
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.
247 ft²/T22.97 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.
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.
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.
Grand Soleil 50 - Peterson's auxiliary engine
1 inboard engine
Fuel tank capacity
191.8 gal726 liters
Grand Soleil 50 - Peterson's accommodations and layout
Closed aft cockpit
2 / 3
4 / 8
Freshwater tank capacity
208.7 gal790 liters
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