Detailed sailboat specifications and datasheets since 2015
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X43 Standard

Sailboat specifications

The X43 is a 41’ (12.5m) cruiser-racer sailboat designed by Niels Jeppesen (Denmark). She is built since 2016 by X-Yachts (Denmark). She has been awarded "2017 - Cruising World - Boat of the Year: Full-Size Cruiser Under 50 Feet".

The X43 is as well listed, on Boat-Specs.com, in Shoal draft and Deep draft version (see all the versions compared).

Find out more about the X43 on Boat-Spec's blog: European Yacht of the Year 2017.

X43's main features

Model
X43
Version
Standard
Hull type
Monohull
Category
Offshore cruiser-racer sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
Denmark
Construction
Fiberglass reinforced epoxy:
Sandwich E-glass epoxy
First built hull
2016
Last built hull
Still in production
Award(s)
  • 2017: Cruising World - Boat of the Year: Full-Size Cruiser Under 50 Feet
    Appendages
    Keel : T-shaped keel (with bulb)
    Helm
    Twin helm wheels
    Rudder
    Single spade rudder
    Unsinkable
    No
    Trailerable
    No
    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
    A
    Standard public price ex. VAT (indicative only)
    About 
    300 000
     (2020)

    X43's main dimensions

    Hull length
    41’12.5 m
    Waterline length
    37’ 1”11.31 m
    Beam (width)
    13’3.95 m
    Draft
    7’ 2”2.2 m
    Light displacement (MLC)
    19511 lb8850 kg
    Ballast weight
    8378 lb3800 kg
    Ballast type
    Steel fin with lead bulb

    X43's rig and sails

    Upwind sail area
    1044 ft²97 m²
    Downwind sail area
    2196 ft²204 m²
    Mainsail area
    581 ft²54 m²
    Genoa area
    463 ft²43 m²
    Asymmetric spinnaker area
    1615 ft²150 m²
    Rigging type
    Sloop Marconi 9/10
    Mast configuration
    Keel stepped mast
    Rotating spars
    No
    Number of levels of spreaders
    2
    Spreaders angle
    Swept-back
    Spars construction
    Aluminum spars (carbon fiber spars as an option)

    X43'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/T22.67 m²/T
    Downwind 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.
    513 ft²/T47.68 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.
    173
    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.
    43 %
    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.
    8.16 knots

    X43's auxiliary engine

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

    X43's accommodations and layout

    Cockpit
    Open aft cockpit
    Cabin(s) (min./max.)
    2 / 3
    Berth(s) (min./max.)
    4 / 8
    Head(s) (min./max.)
    1 / 2
    Freshwater tank capacity
    89.8 gal340 liters
    Have you spotted incorrect data?  You can report it in the forum or contact the webmaster

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