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The X-34, here in "standard" version, is a 34’ monohull sailboat designed by Niels Jeppesen. She was built by X-Yachts (Denmark) and made of sandwich fiberglass / polyester with galvanised steel frame. This sailboat was produced between 2007 and 2013 with 144 hulls completed.
The X-34 is as well listed, on Boat-Specs.com, in version Shoal draft.
Hull and deck: sandwich fiberglass / polyester with galvanised steel frame
First built hull
2007
Last built hull
2013
Number of hulls built
144
Appendages
Keel : Fin with bulb
Helm
1 wheel
Rudder
1 spade rudder
Cockpit
Open aft cockpit
Unsinkable
No
Trailerable
No
EC certification
A
Standard public price ex. VAT (indicative only)
N/A
X-34's Main dimensions
Hull length
34’
Waterline length
29’ 10”
Beam (width)
11’ 2”
Draft
6’ 2”
Light displacement
11684 lbs
Ballast weight
4850 lbs
Ballast type
Cast iron fin with lead bulb
X-34's Rig and sails
Upwind sail area
731 sq.ft
Downwind sail area
1429 sq.ft
Mainsail area
434 sq.ft
Genoa area
297 sq.ft
Symetric spinnaker area
996 sq.ft
Rigging type
Sloop Marconi 9/10
Rotating spars
No
Mast position
Keel stepped mast
Spars
Mast and boom in Aluminum
Number of levels of spreaders
2
Spreaders angle
Swept-back
IiFore triangle height (from mast foot to fore stay attachment)
46’ 11”
JiFore triangle base (from mast foot to bottom of forestay)
12’ 1”
PiMainsail hoist measurement (from tack to head)
46’ 1”
EiMainsail foot measurement (from tack to clew)
15’ 5”
X-34's Performances
HN (French rating)
25.5
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.
22.34
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.
43.69
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.
200
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.
42 %
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.
