Detailed sailboat specifications and datasheets since 2015
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Grand Soleil 43 - J&J Shoal draft

Sailboat specifications

The Grand Soleil 43 - J&J is a 42’7” (12.98m) cruiser-racer sailboat designed by J&J Design (Slovenia). She was built since 1998 (and now discontinued) by Del Pardo, Cantiere (Italy). The Shoal draft version features a shorter keel to grant access to shallow areas.

The Grand Soleil 43 - J&J is as well listed, on, in Standard and Sport version (see all the versions compared).

Grand Soleil 43 - J&J's main features

Grand Soleil 43 - J&J
Shoal draft
Hull type
Cruiser-racer sailboat
Sailboat builder
Sailboat designer
Sailboat range
Hull and deck: GRP (glass reinforced polyester)
First built hull
Last built hull
Keel : L-shaped keel (with bulb)
Single helm wheel
Single spade rudder
EC design category
 iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
Standard public price ex. VAT (indicative only)

Grand Soleil 43 - J&J's main dimensions

Overall length
43’ 11”13.39 m
Hull length
42’ 7”12.98 m
Waterline length
35’ 11”10.95 m
Beam (width)
13’ 2”4.02 m
5’ 8”1.75 m
Light displacement (MLC)
18739 lb8500 kg
Ballast weight
6614 lb3000 kg

Grand Soleil 43 - J&J's rig and sails

Upwind sail area
904 ft²84 m²
Rigging type
Sloop Marconi fractional
Mast configuration
Keel stepped mast
Rotating spars
Spreaders angle
No spreader
Spars construction
Aluminum spars (carbon boom as an option)

Grand Soleil 43 - J&J'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.
217 ft²/T20.17 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.
35 %
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.
8.03 knots

Grand Soleil 43 - J&J's auxiliary engine

1 inboard engine
Engine(s) power
30 HP
Fuel type
Fuel tank capacity
52.8 gal200 liters

Grand Soleil 43 - J&J's accommodations and layout

Closed aft cockpit
Berth(s) (min./max.)
6 / 8
Freshwater tank capacity
118.9 gal450 liters
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