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Kayak and Canoe Design Bulletin Board
data for epoxy/glass lay-ups
Posted By: Dean Trexel
Date: Thursday, 27 April 2000, at 7:04 p.m.
This is my first foray (sp?) into the design board -- after getting into so much discussion on strength in the builder's board, I thought I'd better come here.
Does anyone happen to have any engineering data for epoxy/glass lay-ups? By engineering data I mean things like modulus of elasticity, etc. This could be a tall order because it is dependent on the weight and weave of the cloth. My engineering knowledge is getting a bit rusty, and I need to refresh my memory on strength-of-materials problems so I can figure out what data I would need. I plan on looking up some of the texts that George has listed, but after my Outer Island is finished.
The reason I ask is that I work with someone who does FEA (Finite Element Analysis), and if data were available on specific lay-ups, I think I could have it modeled up and tested virtually and dispense with the idea of breaking lots of panels. I do CAD work myself (although not FEA) and have actually modeled up a Guillemot using the offsets in Nick's book. Using the hull surface I could model different types of impacts. I would need material data for the glass/epoxy lay-up, and would probably assume an incompressible airspace in between instead of wood so as to only test lay-ups.
Dean
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Kayak and Canoe Design Bulletin Board is maintained by Nick Schade - Guillemot Kayaks with WebBBS 5.12.
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