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We used 1/4" aluminum plate with 1/4" aluminum angle underneath for sturdiness. We also have a 1/4" aluminum angle V-cut in the front of our robot for handling goals. It's sad though - it's way too strong. Our engineer used it as a trampoline after he made it until his ankles hurt, but now we've cut too many holes in it for it to be used that way again.
Next year, bring on the extrusion and tubing! Let's go for a frame, not a plate, woo!
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Gui Cavalcanti
All-Purpose College Mentor with a Mechanical Specialty
Franklin W. Olin College of Engineering, Class of 2008
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