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IMX 40

IMX 40 is a Racer-cruiser sailboat built by X-Yachts and designed by Niels Jeppesen. Her first hull was built in 2000 and a Keel stepped mast mast configuration.

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IMX 40 Sailboat Specifications​


Overall Length (LOA) m / ft12.10 m / 39.69 ft
Designer(s)Niels Jeppesen
categoryRacer-cruiser sailboat
Hull TypeMonohull
Number of Hulls Built99
First Hull Built2000
Last Hull Built2004
AppendagesKeel L-shaped keel (with bulb)
HelmSingle helm wheel
RudderSingle spade rudder
CockpitOpen aft cockpit
Ballast TypeCast iron fin with lead bulb
Rigging TypeSloop Marconi 9/10
Mast LayoutKeel stepped mast
Number of Cabin(s)3
Number of Head(s)1
Freshwater Tank Capacity lt/gal190 L / 50.2 gal
Ballast Ratio0.35


Overall Length (LOA) 12.10 m / 39.69 ft
Hull Length12.1 m / 39.8 ft
Waterline Length (LWL)10.49 m / 34.5 ft
Beam (width)3.8 m / 12.6 ft
Draft2.45 m / 8 ft
Light Displacement (MLC) 6830 kg / 15058 lb
Maximum Displacement6800 kg / 14991 lb
Ballast Weight2400 kg / 5291 lb


Critical Hull Speed7.86 knots
Capsize Screening Formula (CSF)2.03
Comfort Ratio22.4
Displacement-Length Ratio (DLR)168
Ballast Ratio0.35
Sail Area to Displacement22.16
Upwind Sail Area to Displacement28.36 m²/T / 305 ft²/T
Downwind Sail Area to Displacement47.11 m²/T / 507 ft²/T

Above Deck

Mast LayoutKeel stepped mast
Rotating SparsNo
Number of Levels of Spreaders3
Spreaders AngleSwept-back
Spars ConstructionCarbon fiber spars
Standing RiggingSingle-strand (ROD)
Estimated Forestay Length16.63 m / 54.55 ft
Reported Sail Area77.95 m² / 839.00 ft²
Total Sail Area77.90 m² / 838.51 ft²
Upwind Sail Area102.1 m² / 1099 ft²
Downwind Sail Area169.6 m² / 1826 ft²
Mainsail Area48.1 m² / 518 ft²
Genoa Area54 m² / 581 ft²
I52.6 ft * 16 m
J14.10 ft * 4.5 m
P49.11 ft * 15.2 m
E18 ft * 5.5 m

Engine Room

Engine(s)1 inboard engine
Engine(s) Power39 HP
Fuel typeDiesel
Fuel Tank Capacity95 L / 25.1 gal

Below Deck

Maximum Headroom6.2 ft * 1.9 m
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