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I was hoping to avoid wood. I'd have thought some form of plastic must have higher stiffness for a given thickness, and be lighter.
Jon.-
50mm webbing? I have a load of very high quality polyester webbing, thicker/stronger than typical seatbelt webbing. More like the stuff you get on a racing harness.
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I'd have thought some form of plastic must have higher stiffness for a given thickness, and be lighter.
Seems unlikely, plywood is pretty good. Some kind of composite would be needed to match the stiffness per weight
danb
gbj_tester
Marine plywood? If you get some of the thicker sheet then you probably won't need any other supports and can just bolt it to the frame.