Re: lateral-less tandems & carbon "fragility"?
12/26/06 08:35 AM (67.169.228.138)
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I've read a great deal of material that says there is no fatigue issue with carbon fiber as it is used in bicycles. Carbon fiber structures that flex, within plastic limits will not have a fatigue failure like isotropic metals exhibit. Consider carbon fiber fishing rods. They don't wear out and look how much flexing they exhibit. There is a similar type of failure method in carbon fiber that we already understand since it is the same thing with fiberglass materials. The only difference is the strength of the fibers being used in the matrix.
You can trusts Craig Calfee's designs since he is an excellent structural engineer and knows very well the properties of the carbon fiber he uses in his bikes.