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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
gbj_tester-
Seems unlikely, plywood is pretty good. Some kind of composite would be needed to match the stiffness per weight
Of course, technically, plywood is a composite... #pedanthaton
Brommers
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.