Detailed sailboat specifications and datasheets since 2015
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X-40 Sport

Sailboat specifications

The X-40 is a 40’ (12.19m) racer-cruiser sailboat designed by Niels Jeppesen (Denmark). She was built between 2004 and 2010 by X-Yachts (Denmark) with 140 hulls completed. The Sport version offers a deeper L-shaped keel bringing extra performance especially upwind.

The X-40 is as well listed, on Boat-Specs.com, in Standard and Shoal draft version (see all the versions compared).

X-40's main features

Model
X-40
Version
Sport
Hull type
Monohull
Category
Racer-cruiser sailboat
Sailboat builder
Sailboat designer
Country
Denmark
Construction
GRP (glass reinforced polyester):
Sandwich fiberglass polyester with galvanized steel frame
Number of hulls built
140
First built hull
2004
Last built hull
2010
Appendages
Keel : L-shaped keel (with bulb)
Helm
Single helm wheel
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)
N/A

X-40's main dimensions

Hull length
40’12.19 m
Waterline length
35’ 1”10.71 m
Beam (width)
12’ 6”3.8 m
Draft
7’ 11”2.4 m
Light displacement (MLC)
16424 lb7450 kg
Ballast weight
7055 lb3200 kg
Ballast type
Cast iron fin with lead bulb
French customs tonnage
15.60 Tx

X-40's rig and sails

Upwind sail area
1068 ft²99.2 m²
Downwind sail area
1845 ft²171.4 m²
Mainsail area
545 ft²50.6 m²
Genoa area
523 ft²48.6 m²
Solent area
419 ft²38.9 m²
Jib area
329 ft²30.6 m²
Symmetric spinnaker area
1300 ft²120.8 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
53’ 10”16.4 m
J
 iFore triangle base (from mast foot to bottom of forestay)
14’ 2”4.34 m
P
 iMainsail hoist measurement (from tack to head)
51’ 6”15.7 m
E
 iMainsail foot measurement (from tack to clew)
18’ 5”5.6 m
Rigging type
Sloop Marconi 9/10
Mast configuration
Keel stepped mast
Rotating spars
No
Number of levels of spreaders
3
Spreaders angle
Swept-back
Spars construction
Aluminum spars

X-40's performances

HN (French rating)
 iHN or "Handicap Nationale" is an empirical rating system used in France allowing various monohulls, of different sizes and designs, to race each other fairly. It is particularly suitable for cruiser and cruiser-racer. Therefore, by comparing these values, we can have an indication of the relative speed of 2 boats.
29.0
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.
280 ft²/T26.01 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.
484 ft²/T44.93 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.
172
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.
7.94 knots

X-40's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
40 HP
Fuel tank capacity
23.8 gal90 liters

X-40's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 8
Head(s) (min./max.)
1 / 2
Freshwater tank capacity
47.6 gal180 liters
Maximum headroom
6’ 2”1.9 m
Galley headroom
6’ 2”1.9 m
Head headroom
6’1.84 m

X-40's saloon

Maximum headroom
6’ 1”1.87 m
Berth length
6’ 7”2 m
Chart table
3’ 1”0.94 m x 2’ 2”0.67 m
Berth width
2’ 10”0.85 m

X-40's fore cabin

Maximum headroom
6’1.83 m
Berth length
7’ 2”2.2 m
Berth width
5’ 2”1.57 m

X-40's aft cabin

Maximum headroom
6’ 2”1.9 m
Berth length
6’ 7”2 m
Berth width
4’ 7”1.4 m
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