SYMETRICAL SPINNAKERS - 2 Pages

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Catalogue excerpts

SAIL DEEPER AND FASTER. Unless yours is a sprit-boat, the primary sail for offwind work is a symmetrical spinnaker. UK's sail development program using two-boat testing and our exclusive computer programs for design and production result in the best symmetrical spinnakers in the world. We call our design The Matrix Cut. This fully radial layout features narrower panels, each oriented to better align the threads in the cloth with the primary load paths in the spinnaker. This is the most effective way to reduce distortion. Why is distortion so damaging? Distortion alters the sail's designed shape. This becomes most obvious close reaching when spinnakers without our Matrix Cut stretch in the middle, causing their leeches to harden or hook; hooked leeches reduce driving power, create drag, Our greater efficiency in load-carrying without distortion permits flying one spinnaker through a wider range of wind angles and windspeeds. This reduces sail changes as well as the size of your sail inventory, saving you time, effort and expense. UK's Matrix Cut advantages also permit our use of lighter weights in the latest spinnaker fabrics. Lighter sails fill faster and fly with less jitters. A sail that fills quicker in light air means putting extra boatlengths on your competition. And sails that are more stable are easier to fly and to carry at deeper angles. Simply described, the UK Matrix Cut is the fastest symmetrical spinnaker made. The Sail Technology Leader

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Development Program Knowing what shapes are fast must be coupled with an ability to produce those shapes. The heart of our suc- cess in doing this is UK's proprietary AccuCut design pro- gram. Written for our designers and updated constantly with their input and our two-boat testing results, AccuCut gives UK a tool not available to any other sailmaker. The program is very visually oriented; the designer can work directly with the shape of the sail rather than with individual panels. He can look at it from any angle, slice through it to check its shape, and evaluate variations of mathematical curvature...

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