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 (Italy). The
Deep draft version displays a deeper fin allowing a lower center of gravity and extra performance especially upwind.
The
Grand Soleil 50 - Peterson is as well listed, on Boat-Specs.com, in
Standard version (
see all the versions compared).
Grand Soleil 50 - Peterson's main features
Model
Grand Soleil 50 - Peterson
Version
Deep draft
Hull type
Monohull
Category
Offshore cruiser-racer sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
Italy
Construction
Hull and deck: GRP (glass reinforced polyester)
Number of hulls built
About 30
First built hull
1993
Last built hull
Discontinued
Appendages
Keel : fin without bulb
Helm
Single helm wheel
Rudder
Single spade rudder
Unsinkable
No
Trailerable
No
Standard public price ex. VAT (indicative only)
Grand Soleil 50 - Peterson's main dimensions
Overall length
50’ 2”15.31 m
Hull length
49’14.93 m
Waterline length
40’ 2”12.26 m
Beam (width)
14’ 1”4.3 m
Draft
8’ 8”2.65 m
Light displacement (MLC)
31967 lb14500 kg
Ballast weight
10031 lb4550 kg
Grand Soleil 50 - Peterson's rig and sails
Upwind sail area
1453 ft²135 m²
Mainsail area
624 ft²58 m²
Genoa area
829 ft²77 m²
Rigging type
Sloop Marconi fractional
Mast configuration
Keel stepped mast
Rotating spars
No
Spreaders angle
No spreader
Spars construction
Aluminum spars
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.244 ft²/T22.7 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.223
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.31 %
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 1.34.8.50 knots
Grand Soleil 50 - Peterson's auxiliary engine
Engine(s)
1 inboard engine
Engine(s) power
62 HP
Fuel type
Diesel
Fuel tank capacity
191.8 gal726 liters
Grand Soleil 50 - Peterson's accommodations and layout
Cockpit
Closed aft cockpit
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 8
Head(s)
2
Freshwater tank capacity
208.7 gal790 liters
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