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X-372 Fractional rigging is a Cruiser-racer sailboat built by X-Yachts and designed by Niels Jeppesen. Her first hull was built in 1987 with an overall lengh of 11.48 m or 37.8 ft long and a Keel stepped mast mast configuration.

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X-372 FRACTIONAL RIGGING Sailboat Specifications​


Overall Length (LOA) m / ft11.48 m / 37.8 ft
Designer(s)Niels Jeppesen
VersionFractional rigging
categoryCruiser-racer sailboat
Hull TypeMonohull
Number of Hulls Built120
First Hull Built1987
Last Hull Built1992
AppendagesKeel fin without bulb
HelmSingle tiller (helm wheel in option)
RudderSingle spade rudder
CockpitOpen aft cockpit
Ballast TypeCast iron / lead fin
Rigging TypeSloop Marconi masthead
Mast LayoutKeel stepped mast
Number of Cabin(s)2
Number of Head(s)1
Freshwater Tank Capacity lt/gal125 L / 33 gal
Ballast Ratio43.14


Overall Length (LOA) 11.48 m / 37.8 ft
Hull Length11.05 m / 36.4 ft
Waterline Length (LWL)9 m / 29.6 ft
Beam (width)3.57 m / 11.8 ft
Draft2 m / 6.7 ft
Light Displacement (MLC) 5100 kg / 11244 lb
Maximum Displacement5100 kg / 11243 lb
Ballast Weight2200 kg / 4850 lb


Critical Hull Speed7.28 knots
Capsize Screening Formula (CSF)2.10
Comfort Ratio20.59
Displacement-Length Ratio (DLR)198
Ballast Ratio43.14
Sail Area to Displacement18.97
Upwind Sail Area to Displacement27.74 m²/T / 299 ft²/T
Downwind Sail Area to Displacement43.78 m²/T / 471 ft²/T

Above Deck

Mast LayoutKeel stepped mast
Rotating SparsNo
Number of Levels of Spreaders2
Spreaders Angle0 °
Spars ConstructionAluminum spars
Estimated Forestay Length14.87 m / 48.78 ft
Reported Sail Area55.09 m² / 593.00 ft²
Total Sail Area55.05 m² / 592.55 ft²
Upwind Sail Area82.2 m² / 885 ft²
Downwind Sail Area129.7 m² / 1396 ft²
Mainsail Area41.3 m² / 445 ft²
Genoa Area40.9 m² / 440 ft²
I46.70 ft * 14.23 m
J14.10 ft * 4.30 m
P40.20 ft * 12.25 m
E13.10 ft * 3.99 m

Engine Room

Engine(s)1 inboard engine
Engine(s) Power28 HP
Fuel typeDiesel

Below Deck

Maximum Headroom6.2 ft * 1.9 m
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