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X 34 Ton
Designer: Niels Jeppesen  ·  Builder: X Yachts (Den)  ·  First built: 1984
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About the X 34 Ton

Danish designer Niels Jeppesen created this sleek 33-footer for X Yachts during the mid-1980s, producing 84 hulls between 1984 and 1990. The X 34 Ton represents the Danish yard's commitment to combining racing performance with cruising practicality, featuring the classic fin keel and spade rudder configuration that became synonymous with modern sailing efficiency. With a fractional sloop rig carrying 543 square feet of sail area and a moderate displacement of 7,480 pounds, this yacht strikes an appealing balance between spirited performance and manageable handling. The generous beam of 11.08 feet provides excellent initial stability and interior volume, while the substantial 6.17-foot draft ensures good windward ability and directional stability in challenging conditions. Built with X Yachts' renowned fiberglass construction standards, the X 34 Ton suits both coastal cruising and club racing. Her comfort ratio of 16.93 indicates a motion that's firm but not harsh, making her suitable for extended passages, while the sail area to displacement ratio of 22.79 promises lively performance in moderate winds. The design's proven seaworthiness and X Yachts' reputation for quality construction have made these boats sought-after choices for sailors seeking European build quality in a versatile coastal cruiser.

Core Dimensions
LOA (Length Overall) 32.75 ft / 9.98 m
LWL (Waterline Length) 25.58 ft / 7.80 m
Beam 11.08 ft / 3.38 m
Max Draft 6.17 ft / 1.88 m
Displacement 7,480.00 lb / 3,393 kg
Ballast Type Lead
Sail Area (Reported) 543.00 ft² / 50.45 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Niels Jeppesen
Builder X Yachts (DEN)
First Built 1984
Last Built 1990
Number Built 84
Associations IOR 3/4 ton
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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
 22.79
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
 199.5
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
 16.93
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
 2.27
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. 6.78 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
 3.34
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. 1,012.71 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. 22.79
Rig Dimensions
I (Foretriangle Height) 38.30 ft / 11.67 m
J (Foretriangle Base) 11.40 ft / 3.47 m
P (Mainsail Luff) 43.00 ft / 13.11 m
E (Mainsail Foot) 15.10 ft / 4.60 m
SA Fore 218.31 ft² / 20.28 m²
SA Main 324.65 ft² / 30.16 m²
SA Total (100%) 542.96 ft² / 50.44 m²
Est. Forestay Length 39.96 ft / 12.18 m
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