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Re: Second layer
You can buy Lexan/polycarbonate on McMaster-Carr and ship it next-day air, too....
But at this stage in the game, I'd much rather use thin plywood than thick acrylic plexiglass. Plexiglass is a "no, no, no, no, never, never, NEVER" item in our workshop. Acrylic plexiglass shatters easily when subjected to FRC-level forces. .5" wouldn't give me the slightest bit of reassurance over .25".
Lexan good. Plexiglass bad.
__________________
Patrick Freivald -- Mentor
Team 1551
"The Grapes of Wrath"
Bausch & Lomb, PTC Corporation, and Naples High School
I write books, too!
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