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 To think that one can "learn" engineering in 6 weeks while under the strain of building a robot too is proposterous. FIRST isn't about teaching. It's about inspiring.
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#11
25-07-2009, 21:59
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Re: pic: 3/4" Plywood Frame
There are many grades of plywood; you want aircraft plywood if possible. It uses many layers of light wood.
regular plywood, like used for house construction, uses only a few layers, and is not as strong (or light) as aircraft plywood. Marine plywood uses a few more layers, but isn't as light. You might consider making your own plywood, two 1/4" aircraft ply outer layers with foam and 1/4" spacers in-between - lighter and just as strong. For stiffness, use pieces mounted 90 degrees to the plane - glue and screw. It would be heavier than aluminum, but plenty strong. Use some aluminum U channel along the outer edge to give very good impact strength. But nice concept! Last edited by DonRotolo : 26-07-2009 at 16:18. 
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