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Kayak and Canoe Design Bulletin Board
They're carbon Fiber $$$$$
Posted By: Brian T. Cunningham In Response To: Re: Here's what I'm going for ... (Pete W P)
Date: Thursday, 6 January 2000, at 6:22 p.m.
> Really impressive Brian. Interestingly, for
> all that those "wings" look like
> girders, Ill bet their some super light
> graphite/resin honeycomb construction.> At anyrate, a dynamite looking craft.
> Pete
And there's a reason they look like girders.
When they design a tri you need to be able to support _20_times_ ( for dynamics ) the weight of the craft. These racing tris actually float the central hull!
As far a drag in concerned an airfoil is the best shape. Unfortunately it's one of the _worse_ cross sections for a beam.
Piture taking the joists on a house and laying them on thier side. And then expecting them to still support the house.
So what designers do is either construt an I-beam and wrap it with an airfoil. Or make the airfoil out of something real stiff, like carbon fiber.
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