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X49
Designer: Niels Jeppesen  ·  Builder: X-Yachts (Den)  ·  First built: 2018
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About the X49

Danish builder X-Yachts launched the X49 in 2018 as part of their performance-oriented cruising line, showcasing designer Niels Jeppesen's talent for creating boats that excel both on the racecourse and during extended cruising adventures. This fractional sloop represents the evolution of Scandinavian yacht design, emphasizing speed, comfort, and seaworthiness in equal measure. Built using advanced epoxy/foam sandwich construction with E-glass reinforcement, the X49 delivers impressive structural integrity while maintaining relatively light displacement for her size. The fin keel with bulb and spade rudder configuration provides excellent upwind performance and responsive handling characteristics that racing enthusiasts appreciate. Her sail area to displacement ratio of 22.33 indicates strong performance potential in light to moderate conditions. The comfortable cockpit and thoughtfully designed deck layout make her equally suitable for shorthanded sailing or larger crews tackling offshore passages. With a capsize screening formula of 1.93 and comfort ratio of 27.01, the X49 strikes an ideal balance between performance and cruising capability. Her 57-horsepower engine provides reliable auxiliary power for marina maneuvering and motoring in calm conditions, making this yacht an excellent choice for sailors seeking both weekend racing excitement and comfortable coastal or offshore cruising.

Core Dimensions
LOA (Length Overall) 49.48 ft / 15.08 m
LWL (Waterline Length) 43.47 ft / 13.25 m
Beam 14.73 ft / 4.49 m
Max Draft 7.87 ft / 2.40 m
Displacement 28,440.00 lb / 12,900 kg
Ballast 12,015.00 lb / 5,450 kg
Ballast Type Cast iron fin/lead bulb
Sail Area (Reported) 1,294.90 ft² / 120.30 m²
Design & Construction
Hull Type Fin w/bulb & spade rudder
Rigging Type Fractional Sloop
Construction Epoxy/foam sand. w/E-glass
Designer Niels Jeppesen
Builder X-Yachts (DEN)
First Built 2018
Associations X-Yachts Owners Association
Related Sailboats Moorings 505 · Beneteau 49 · Dehler 46 Sq · Xp 50 · Dufour 470
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 22.33
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
 42.25
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 154.57
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
 27.01
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 1.93
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 8.83 kn
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
 3.92
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 2,287.91 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 21.63
Rig Dimensions
I (Foretriangle Height) 64.83 ft / 19.76 m
J (Foretriangle Base) 17.88 ft / 5.45 m
P (Mainsail Luff) 62.34 ft / 19.00 m
E (Mainsail Foot) 21.65 ft / 6.60 m
ISP (Spinnaker Luff) 69.13 ft / 21.07 m
SA Fore 579.58 ft² / 53.84 m²
SA Main 674.83 ft² / 62.69 m²
SA Total (100%) 1,254.41 ft² / 116.54 m²
Est. Forestay Length 67.25 ft / 20.50 m
Engine & Accommodations
Engine Type Diesel
Horsepower 57
Fuel Capacity 79 gals / 300 L
Water Capacity 82 gals / 310 L
LOD 47.57 ft / 14.50 m
How It Compares

vs. Beneteau 49, Dehler 46 Sq, Dufour 470, Moorings 505, Xp 50

This boat Similar boats
Dimensions
LOA
X49 ★
49.5 ft
Beneteau 49
49.5 ft
Dehler 46 Sq
49.0 ft
Dufour 470
48.7 ft
Moorings 505
50.6 ft
Xp 50
51.1 ft
LWL
X49 ★
43.5 ft
Beneteau 49
43.7 ft
Dehler 46 Sq
42.3 ft
Dufour 470
44.5 ft
Moorings 505
43.2 ft
Xp 50
43.7 ft
Beam
X49 ★
14.7 ft
Beneteau 49
14.8 ft
Dehler 46 Sq
14.3 ft
Dufour 470
15.6 ft
Moorings 505
15.8 ft
Xp 50
14.5 ft
Displacement
X49 ★
28 lbs
Beneteau 49
27 lbs
Dehler 46 Sq
25 lbs
Dufour 470
29 lbs
Moorings 505
27 lbs
Xp 50
29 lbs
Ballast
X49 ★
12 lbs
Beneteau 49
9 lbs
Dehler 46 Sq
7 lbs
Dufour 470
7 lbs
Moorings 505
9 lbs
Xp 50
12 lbs
Sail Area
X49 ★
1 sq ft
Beneteau 49
1 sq ft
Dehler 46 Sq
1 sq ft
Dufour 470
1 sq ft
Moorings 505
1 sq ft
Xp 50
1 sq ft
Performance
PHRF Rating (lower = faster)
X49 ★
—
Beneteau 49
72 s/nm
Dehler 46 Sq
27 s/nm
Dufour 470
—
Moorings 505
86 s/nm
Xp 50
—
SA / Displacement (higher = more powerful)
X49 ★
22.3
Beneteau 49
20.5
Dehler 46 Sq
23.4
Dufour 470
19.6
Moorings 505
20.7
Xp 50
27.4
Ballast / Disp (higher = stiffer)
X49 ★
42.3 %
Beneteau 49
34.0 %
Dehler 46 Sq
30.4 %
Dufour 470
26.9 %
Moorings 505
34.0 %
Xp 50
41.2 %
Comfort Ratio (higher = more comfortable offshore)
X49 ★
27.0
Beneteau 49
26.4
Dehler 46 Sq
25.7
Dufour 470
25.5
Moorings 505
24.1
Xp 50
28.6
Capsize Screening (lower = safer)
X49 ★
1.93
Beneteau 49
1.95
Dehler 46 Sq
1.95
Dufour 470
2.03
Moorings 505
2.09
Xp 50
1.87
Displacement / Length (lower = lighter)
X49 ★
154
Beneteau 49
149
Dehler 46 Sq
149
Dufour 470
147
Moorings 505
154
Xp 50
160
Hull Speed
X49 ★
8.8 kts
Beneteau 49
8.9 kts
Dehler 46 Sq
8.7 kts
Dufour 470
8.9 kts
Moorings 505
8.8 kts
Xp 50
8.9 kts
Speed Number (higher = faster)
X49 ★
3.9
Beneteau 49
3.4
Dehler 46 Sq
3.9
Dufour 470
—
Moorings 505
—
Xp 50
—
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