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Sea Kayaks Techniques Bulletin Board
Re: Impact resistance
Posted By: Ray In Response To: Re: Kevlar impact resistance (M. Hamilton)
Date: Friday, 3 November 2000, at 8:55 a.m.
: Ray, some builders such as Eddyline have very light and delicate Kevlar
: layups and they say as much in their marketing. Other builders make bomber
: kevlar graphite boats. Extra material can be added, and some Northwest
: guides have Kevlar kayaks that weigh as much as glass ones, but you can
: stand on the decks! Most high performance surf kayaks are Kevlar Graphite,
: and Foam layups. Current Designs are good boats, but I'm not sure how they
: do Kevlar - Take care MHI agree, hull layup is certainly interesting as different builders approach it in different ways. Our CD kevlar kayak is fairly lightly built, with little in the way of extra reinforcing in the hull although the keel area has an extra layer of cloth. With a rudder its 45 lbs. I also have a Boreal Ellesmere in Fglass, but its built quite heavily with heavy extra cloth material in the keel, and deck areas. Its a heavy boat for its size, about 55 lbs. and this is apparently due to what I think is a very strong layup. I can stand on its flat rear deck, while I wouldn't try it with our kevlar boat.
I built a very light Fglass kayak from light pre-production hull and deck piece halves a local kayak builder couldn't use in a production boat, ( gave them to me for 100 bucks) and use it for short day paddles on a local creek. Its only 36 lbs, just a rear foam bulkhead, front float bag, seat, and underbuilt for any sort of heavier use, but boy is it nice to swing around out of the water with one arm ! Ray
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