RACING HEADSAILS
X-Drive Racing Headsail
The performance of continuous load-path yarns with the durability and price racers want — optimized in carbon or S-Glass, and now available with ISL.
Why X-Drive?
UK Sailmakers’ X-Drive® sails are the preferred choice for sailors who want the performance of continuous-yarn sails while keeping durability and affordability. X-Drive can be built with a variety of base laminates and yarn types, so each sail can be optimized for your specific goals — whether you’re a serious racer, a club competitor, or a performance cruiser. And for those chasing the ultimate in upwind performance, ISL (Integrated Structural Luff) technology is now available for new X-Drive headsails.
Holds Its Shape
Continuous load-path yarns
A grid of high-strength yarns runs corner to corner like a building’s steel skeleton — carrying the loads while the panels define the aerodynamic shape.
No Seam Creep
Yarns bridge every seam
Because the continuous yarns cross the panel seams, seam creep and catastrophic failures are eliminated — so the sail keeps its designed shape.
Smart Value
Performance you can afford
The skin’s only job is shape, so it can be a lighter, less-expensive laminate — all the strength comes from the bonded fiber grid, which keeps the cost in check.
How X-Drive Is Built
X-Drive is a two-part construction method. First, lightweight laminated sailcloth is cut into cross-cut panels with shaped seams; once those broad-seamed panels are assembled, the sail has exactly the aerodynamic shape the designer created.
Then UK Sailmakers uses proprietary machines to lay down a grid of continuous, high-strength, low-stretch yarns that run corner to corner along the sail’s primary load paths. They work like the steel skeleton in a tall building — the yarns carry the highest loads while the paneled skin defines the shape. And because the surface only has to provide that shape, it can be a lighter, less-expensive laminate, which keeps the price in check.
Depending on the sail you choose, those yarns can be carbon fiber, Endumax, or S-Glass. A grid of carbon yarns on a laminate with a black aramid scrim gives the sail an all-black look; for sailors who prefer the traditional all-white appearance, X-Drive Silver delivers the same construction in white.
Choose Your X-Drive
X-Drive Carbon
Description:
Load-path fiber-reinforced construction for performance cruising and club racing.
Integrated Structural Luff (ISL):
Available as an upgrade on new headsails.
Material:
Carbon-fiber load-path yarns applied along the sail’s computer-predicted load paths — the strongest, least-stretchy yarn used in sailmaking.
Shape Stability:
★★★★★
Durability:
★★★★
Price:
$$$$
X-Drive Silver
Description:
Load-path fiber-reinforced construction for performance cruising and club racing, with a traditional all-white appearance.
Integrated Structural Luff (ISL):
Available as an upgrade on new headsails.
Material:
S-Glass load-path yarns applied along the sail’s computer-predicted load paths — more stretch than carbon, but less expensive.
Shape Stability:
★★★★
Durability:
★★★★
Price:
$$$$
FAQs
What is X-Drive construction?
It’s a two-part method. First, lightweight laminate is cut into cross-cut panels and broad-seamed to the designer’s exact 3-D shape. Then a grid of continuous, high-strength yarns is bonded over the panels along the sail’s load paths — like the steel skeleton inside a building. The yarns carry the loads; the panels define the shape.
How does X-Drive stop seam creep?
The continuous load-path yarns run right across the panel seams and are bonded over them. That bridging is what eliminates seam creep and the catastrophic seam failures that can ruin a paneled sail — so the sail holds its shape.
What’s the difference between X-Drive Carbon and Silver?
Carbon uses carbon-fiber yarns — the stiffest, lowest-stretch option, with the best shape stability and a distinctive all-black look (carbon on a black aramid scrim). Silver uses S-Glass yarns, which stretch a little more but cost less and give the sail a traditional all-white appearance.
What is ISL?
ISL — Integrated Structural Luff — is available as an upgrade on new X-Drive headsails. It builds structural reinforcement into the luff for the ultimate in upwind performance. See our ISL page for the full details, and ask your loft about adding it to your next sail.
Why is X-Drive more affordable than a fully laminated sail?
Because the sail’s skin only has to provide the shape, it can be a lighter, less-expensive laminate. All the strength comes from the bonded grid of continuous fibers — so you’re not paying for an exotic structural membrane across the entire sail.
