X-1 Ton Information, Review, Specs

Boat drawing
Make
Model
Number Built
24
Production Year(s)
1986 - 1989

The X-1 Ton, a distinguished performance monohull from the renowned Danish builder X-Yachts, embodies the company's core philosophy of blending exhilarating speed with exceptional build quality. Designed by X-Yachts co-founder Niels Jeppesen, this sailboat was purpose-built as a formidable International Offshore Rule (IOR) racer, a role it triumphantly fulfilled by winning the coveted International One Ton Cup in 1986. Its design laid the groundwork for the more amenity-rich X-402 production cruiser, establishing its legacy as a pivotal model in X-Yachts' history.

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The X-1 Ton was produced for a brief but impactful period, from 1986 to 1989. Its creation was a testament to Niels Jeppesen's vision of crafting yachts that prioritize stiffness, precision, and performance. During this era, X-Yachts solidified its reputation for robust and well-engineered vessels, utilizing advanced building methods that emphasized strong, stiff hull construction and strategically reinforced bulkhead divisions in models like the X-1 Ton.

Originally designed to the exacting standards of the IOR One Ton rule, with a rating of approximately 30.5 to 30.59 feet, the X-1 Ton was a cutting-edge racing machine. Only 24 units of this high-performance model were built. During its short production run, a notable evolution occurred with the introduction of an X-1 Ton Mk II version, which featured a redesigned elliptical keel and rudder, along with an increased sail area to further enhance its competitive edge. The hull form of the X-1 Ton proved so successful that it served as the basis for the X-402, a production version that offered more interior amenities and a modified sail plan, catering to a broader market of performance cruisers.

Sailing Performance and Handling

The X-1 Ton’s design clearly prioritizes performance, a fact reflected in its calculated ratios. With a Sail Area to Displacement (SA/Disp) ratio of approximately 23.34, the X-1 Ton possesses ample sail power relative to its displacement, indicating a boat that is lively and performs well in lighter air conditions. Its Displacement to Length (Disp/L) ratio, around 162.1, further classifies it as a lighter, more performance-oriented vessel, well-suited for its racing heritage.

While specific ballast figures for the X-1 Ton are not widely publicized, its lead keel and robust fiberglass solid hull material contribute to the inherent stability and stiffness characteristic of X-Yachts. Anecdotal evidence suggests that X-Yachts of this vintage are known for their excellent sail handling systems and rigging, providing a responsive and engaging sailing experience. The X-1 Ton was designed to be optimized for short-handed sailing, offering a balance and responsiveness that, while rewarding, might require a more attentive hand to extract its full performance potential, akin to sailing a finely tuned dinghy.

Accommodations and Layout

As a dedicated IOR One Ton racer, the X-1 Ton's interior accommodations were, by nature, more spartan and focused on functionality for racing crews rather than luxurious cruising comfort. While exact interior dimensions and headroom are not specified in the primary data, the design emphasized weight efficiency and structural integrity.

The X-402, the production version based on the X-1 Ton's hull, offers insights into how the layout could be adapted for cruising. The X-402 featured increased interior amenities, with available two- or three-cabin layouts, typically including a double aft cabin, a salon, and galley facilities. This suggests that while the X-1 Ton itself would have offered a more basic arrangement, the underlying hull volume allowed for a functional, albeit racing-focused, living space for offshore campaigns. Storage would likely have been practical, with features like a deep cockpit locker, and the overall finish would have reflected X-Yachts' commitment to quality, even in a racing context.

Owner's Perspectives

Owners and enthusiasts often praise X-Yachts for their solid construction and exceptional sailing characteristics, and the X-1 Ton is no exception. Discussions among sailors highlight the enduring quality of X-Yachts' sail handling systems and rigging, which contribute to a positive ownership experience. While designed for rigorous racing, the robust build quality of the X-1 Ton means that even decades later, some units are considered salvageable for recreational use, including day trips and light week-long cruising.

However, the X-1 Ton's performance-oriented nature can present a challenge. Some owners note that to truly achieve its potential and sail competitively against handicaps like PHRF, the boat demands an aggressive and precise sailing style. This suggests that while forgiving in general handling, mastering the X-1 Ton for optimal speed requires skill and dedication, rewarding those who are willing to push its capabilities.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Spade
Ballast
- (Lead)
Displacement
13200 lbs
Water Capacity
-
Fuel Capacity
-

Engine

Engine Make
Engine Model
Engine Type
Engine HP
Engine Count
1
Drive Type
Fuel Type
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
51.5 ft
E (Main Foot)
19 ft
I (Foretriangle Height)
47.6 ft
J (Foretriangle Base)
13.8 ft
Forestay Length (est)
49.56 ft
Main Sail Area
489.25 sqft
Foretriangle Sail Area
328.44 sqft
Total Sail Area (Reported)
818 sqft
Total Sail Area (Calc)
817.69 sqft

Dimensions

LOA
39.75 ft
LWL
33.14 ft
Beam
12.92 ft
Draft
7.5 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
7.71 kn
Pounds per Inch Immersion
1