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Sailboat specifications and datasheets

X43 deep draft

The X43, here in "deep draft" version, is a 41’ monohull sailboat designed by Niels Jeppesen. She was built by X-Yachts (Denmark) and made of sandwich E-glass / epoxy (composite infusion). The production started in 2016 .

The X43 belongs to the X range. The X43 is as well listed, on Boat-Specs.com, in version Standard and Shoal draft.

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X43's   Main Features
Model X43
Version Deep draft
Type of hull Monohull
Category Offshore fast cruising sailboat
Shipyard
Designer Niels Jeppesen
Range X
Construction Hull and deck:
sandwich E-glass / epoxy (composite infusion) with galvanised steel frame
First built hull 2016
Last built hull Still in production
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
294 000
(2017)
X43's   Main dimensions
Hull length 41’
Waterline length 37’ 1”
Beam (width) 13’
Draft 8’ 2”
Light displacement 19511 lbs
Ballast weight 8378 lbs
Ballast type Steel fin with lead bulb
X43's   Rig and sails
Upwind sail area 1044 sq.ft
Downwind sail area 2196 sq.ft
Mainsail area 581 sq.ft
Genoa area 463 sq.ft
Asymetric spinnaker area 1615 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum (carbon fiber as an option)
Number of levels of spreaders 2
Spreaders angle Swept-back
X43's   Performances
Upwind sail area to displacementiThe 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 23 it indicates a fast sailboat.
22.67
Downwind sail area to displacementiThe 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 23 it indicates a fast sailboat.
47.68
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.
173
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.
43 %
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.
8.16 knots
X43's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 45 HP
Fuel type Diesel
Fuel tank capacity 52.8 gal
X43's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 4 / 8
Head(s) (min/max) 1 / 2
Fresh water tank capacity 89.8 gal
X43's   Saloon
X43's   Fore cabin
X43's   Aft cabin

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