Go to Post In 2012, we built our best machine ever. Some visitors to our pit were visibly disappointed to find that our machine was a pile of extruded aluminum and urethane belting, just cleverly arranged and programmed. - OZ_341 [more]
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Unread 14-01-2012, 21:04
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DonRotolo DonRotolo is offline
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Re: What material would be best to build a bridge lowering arm?

Certainly a solid. Gases, liquids and plasmas would cause problems.

Cast iron? Seriously? Aside from it being far too heavy, it is not very tough: It breaks easily.

Most teams will be using aluminum. Some will use wood, or perhaps Lexan. None will use Plexiglas (Acrylic) because it is dangerous.
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