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Carbon Fiber for seaplane hull?

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craig saxon

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Sep 26, 2010
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547
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Canberra, ACT, Australia
My understanding is that CF is excellent as a high strength/stiff component in lightweight sandwich construction. I have also heard that it is fairly brittle and does not have the impact resistance of glass fiber and no where near that of Kevlar. Would this exclude the use of CF sandwich for seaplane hulls. If this is a problem, could the hull below the spray rails be made with fiberglass or CF reinforced with a layer of Kevlar as in formula one chassis? Would this make design calculations unnecessarily complex? Would a hybrid CF/Kevlar fabric be a better option? Lastly, is sandwich construction actually suitable for below the spray rails due to the beating that the foam is going to cop or would a skin with structural webs be better suited?
Craig
 
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