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X 342 Mh
Designer: Niels Jeppesen  ·  Builder: X-Yachts  ·  First built: 1989
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About the X 342 Mh

Produced by the renowned Danish yard X-Yachts, the X 342 Mh represents the brand's enduring commitment to building performance-oriented sailing boats that balance speed with practical cruising capability. X-Yachts has long held a strong reputation in the European sailing market for crafting well-engineered, responsive vessels, and the 342 Mh fits comfortably within that tradition. Designed with versatile sailing in mind, this model suits enthusiastic sailors looking to enjoy spirited coastal passages or competitive club racing without sacrificing the comforts expected on weekend cruises. The "Mh" designation typically indicates a masthead rig configuration, which generally offers greater sail area and improved upwind power compared to fractional alternatives, making it an appealing choice for those who prioritize performance in varied wind conditions. With X-Yachts' characteristic emphasis on clean hull lines, quality construction, and responsive handling, the 342 Mh appeals to sailors who want a boat that rewards skilled seamanship. While detailed specifications are limited, the model's pedigree within the X-Yachts lineup suggests a well-rounded performer that transitions comfortably between leisurely daysailing and more ambitious coastal adventures.

Core Dimensions
LOA (Length Overall) 33.50 ft / 10.21 m
LWL (Waterline Length) 26.67 ft / 8.13 m
Beam 10.75 ft / 3.28 m
Max Draft 6.10 ft / 1.86 m
Displacement 9,200.00 lb / 4,173 kg
Ballast 4,300.00 lb / 1,950 kg
Sail Area (Reported) 505.00 ft² / 46.92 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Niels Jeppesen
Builder X-Yachts
First Built 1989
Related Sailboats ["X 342" · "J33" · "Cs 34" · "Dehler 34 2" · "Contest 34S"]
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
 117
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
 18.46
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
 20.94
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
 2.06
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. 6.92
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
 2.67
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. 1.0
Rig Dimensions
I (Foretriangle Height) 43.1
J (Foretriangle Base) 12.6
P (Mainsail Luff) 37.4
E (Mainsail Foot) 12.5
SA Fore 271.53
SA Main 233.75
How It Compares

vs. Cs 34, Dehler 34 2, J33

This boat Similar boats
Dimensions
LOA
X 342 Mh ★
33.5 ft
Cs 34
33.5 ft
Dehler 34 2
33.5 ft
J33
33.5 ft
LWL
X 342 Mh ★
26.7 ft
Cs 34
27.7 ft
Dehler 34 2
30.5 ft
J33
28.0 ft
Beam
X 342 Mh ★
10.8 ft
Cs 34
11.3 ft
Dehler 34 2
10.5 ft
J33
11.0 ft
Displacement
X 342 Mh ★
9 lbs
Cs 34
10 lbs
Dehler 34 2
9 lbs
J33
8 lbs
Ballast
X 342 Mh ★
4 lbs
Cs 34
—
Dehler 34 2
3 lbs
J33
3 lbs
Sail Area
X 342 Mh ★
505 sq ft
Cs 34
—
Dehler 34 2
609 sq ft
J33
561 sq ft
Performance
PHRF Rating (lower = faster)
X 342 Mh ★
117 s/nm
Cs 34
132 s/nm
Dehler 34 2
—
J33
—
SA / Displacement (higher = more powerful)
X 342 Mh ★
18.5
Cs 34
—
Dehler 34 2
21.2
J33
22.3
Comfort Ratio (higher = more comfortable offshore)
X 342 Mh ★
20.9
Cs 34
—
Dehler 34 2
21.3
J33
17.3
Capsize Screening (lower = safer)
X 342 Mh ★
2.06
Cs 34
—
Dehler 34 2
1.96
J33
2.19
Displacement / Length (lower = lighter)
X 342 Mh ★
—
Cs 34
221
Dehler 34 2
155
J33
—
Hull Speed
X 342 Mh ★
6.9 kts
Cs 34
—
Dehler 34 2
7.4 kts
J33
7.1 kts
Speed Number (higher = faster)
X 342 Mh ★
2.7
Cs 34
—
Dehler 34 2
3.7
J33
3.8
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