X-99 Information, Review, Specs

Boat drawing
Make
Model
Number Built
605
Production Year(s)
1984 - 2004

The X-99 stands as a celebrated testament to X-Yachts' early commitment to crafting high-performance sailboats that merge speed with robust construction. Conceived by the prolific Danish designer Niels Jeppesen and meticulously built by X-Yachts, this International One Design Class yacht quickly garnered a reputation for its exhilarating sailing characteristics and competitive prowess. Introduced to meet the demand for a fast, one-design racer of approximately 10 meters, the X-99 cemented X-Yachts' position as a leading builder of quality performance yachts.

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History and Design

The X-99 entered production in 1984, with its official launch occurring in 1985, and continued its successful run until 2004, resulting in an impressive 605 hulls built. Niels Jeppesen's vision for the X-99 was to create a yacht with qualities akin to the highly successful X-79, but larger, capable of outperforming existing boats of similar size while adhering to strict one-design principles. He regarded the X-99 as the "perfect sailing yacht at that time," embodying a blend of performance and build quality that defined X-Yachts' ethos.

During its production run, X-Yachts, known for its dedication to "stiffness, precision, and performance," ensured the X-99 lived up to its demanding brief. The hull and deck were constructed from solid fiberglass. A notable evolution within the model was the introduction of the X-99 Mk 2, which featured principal changes aimed at enhancing crew-friendliness and efficiency, ensuring it was "100% race ready" straight from the factory. Early models (hull numbers 1-259 and 270) were notably built with an oak frame.

Sailing Performance and Handling

The X-99's design translates directly into its spirited sailing performance. With a high Sail Area to Displacement (SA/D) ratio of approximately 23.95, the X-99 is adept at harnessing light airs, allowing it to maintain speed even in marginal conditions. Its impressive Ballast to Displacement (B/D) ratio of around 0.457 signifies a stiff and stable platform, enabling the boat to stand up to a strong breeze with confidence and deliver a secure motion through the water. Further underscoring its performance orientation, the Displacement to Length (D/L) ratio of approximately 132.84 places the X-99 firmly in the lighter, more agile category of sailboats, contributing to its responsive handling.

Known for its "high speeds and fine sailing characteristics," the X-99 is a joy to sail, with every aspect of its design geared towards performance. Its fin keel and spade rudder configuration provide excellent control and maneuverability, crucial for competitive racing and precise cruising. The fractional sloop rig, with an I-dimension of 36.91 feet and a J-dimension of 11.32 feet, offers a versatile sail plan that is both powerful and easily managed. The boat's theoretical hull speed is calculated at 7.05 knots, a figure often achieved or surpassed given its efficient design.

Accommodations and Layout

While primarily known for its racing capabilities, the X-99 also offers a functional and comfortable interior, providing "necessary comfort in the cabin for a family". The layout typically includes sleeping for four, with the potential for two additional berths, accommodating up to six individuals. Owners can expect approximately 1.80 meters (around 5.9 feet) of standing headroom, contributing to a sense of openness below deck.

The interior generally features a toilet facility within a dedicated head, which often includes a closet for storage. A functional galley is provided for meal preparation, and the boat typically carries a freshwater capacity of 50 liters (approximately 13 US gallons). While the interior is often described as "minimal" to maintain its racing pedigree, it is well-suited for offshore racing and comfortable weekend cruising. Many interiors feature a warm mahogany finish with a woodprint floor, reflecting a classic marine aesthetic.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Spade
Ballast
2870 lbs
Displacement
6280 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)
41.01 ft
E (Main Foot)
14.76 ft
I (Foretriangle Height)
36.91 ft
J (Foretriangle Base)
11.32 ft
Forestay Length (est)
38.61 ft
Main Sail Area
302.65 sqft
Foretriangle Sail Area
208.91 sqft
Total Sail Area (Reported)
512 sqft
Total Sail Area (Calc)
511.56 sqft

Dimensions

LOA
32.67 ft
LWL
27.67 ft
Beam
9.67 ft
Draft
5.58 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
7.05 kn
Pounds per Inch Immersion
956.05