X-Drive Silver - Racing Genoa

X-Drive Silver gives the highest performance for one-design class sails where high tech yarns like Kevlar and carbon are not allowed.

X-Drive sails made with S-Glass yarn reinforced tapes are a good solution for owners on a budget or who prefer sails that look white, while having performance close to sails made with carbon fiber. As the chart shows, S-Glass yarns have nearly three-times the Modulus (ability to resist stretch) and Tenacity (breaking strength) than those used in woven polyester (Dacron) sails.

An IMX 40 with X-Drive Silver main and non-overlapping jib.

S-Glass yarns are less expensive than carbon and they are heavier, but on smaller sails, the lower stretch resistance and increased weight is not as noticeable.

UK Sailmakers’ tape laying machine puts down up to 11 tapes at a time in a 20 cm wide path (8 inches wide), which means there are hundreds of tapes on the sail. The almost complete coverage of the sail’s surface with S-Glass yarns prevents the sail from getting wavy or unfair. Because of the nearly complete coverage of the sail with tapes, the strength requirement of the base laminate is reduced. This means we can use lighter and less expensive laminates than would be used in traditional Tape-Drive sails.

To reduce glare and to give the sail a more performance look, laminates with a grey taffeta can be used.

The jury's is in on after the first look at a new X-Drive Silver roller/furling jib that's used for both racing and cruising.

The S-Glass yarns used in X-Drive tapes are dry—not coated in glue—which keeps them from becoming brittle. Keeping the yarns dry improves their flexibility.

Extra Durability With Taffeta

To help protect today’s sails and extend their peak performance lives, UK Sailmakers can build all our X-Drive racing sails where one or both sides of the laminate is fully covered with a lightweight finely-woven polyester taffeta. Not only does taffeta protect the film layer from abrasion, but it also prevents cracking of the film and reduces creasing. While taffeta doesn't add any strength, it does make sails last longer. We also offer the option of putting a layer of taffeta over the X-Drive tapes only on the leech of the sail as shown below.

Partial Taffeta Options

GenoasPartialTaffeta.jpg

The leech of any sail benefits from having extra taffeta protection; when a sail luffs, the leech is the area most exposed to flogging, abrasion, and potential damage. This is particularly the case for boats with overlapping genoas that get dragged across shrouds and the mast in every tack. 

UK Sailmakers will work with you to determine the right amount of taffeta to add to your sails based on your boat, the kinds of sailing you do, and your budget. Having both sides covered with taffeta makes a sail more durable, but also would make the sail heavier. UK Sailmakers offers a Partial Taffeta option to save weight and cost.

Taffeta comes in white or grey.

  Partial taffeta on the leech of a vertical-batten jib. Even though this sail does not overlap the mast, the taffeta reinforces the area of the sail that gets whipped around the most when the sail luffs.

Partial taffeta on the leech of a vertical-batten jib. Even though this sail does not overlap the mast, the taffeta reinforces the area of the sail that gets whipped around the most when the sail luffs.

  The genoa shown above has taffeta on the part of the sail overlapping the mast to protect the tapes and the sail's mylar layer. 

The genoa shown above has taffeta on the part of the sail overlapping the mast to protect the tapes and the sail's mylar layer. 

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