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View Poll Results: What do you use for chassis material?
wood 11 5.07%
steel angle 8 3.69%
aluminum angle 36 16.59%
steel tubing (round or rectangular) 2 0.92%
aluminum tubing (round or rectangular) 58 26.73%
Bosch extrusion or similar (aluminum or steel) 89 41.01%
Other 13 5.99%
Voters: 217. You may not vote on this poll

 
 
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Unread 11-08-2002, 23:43
sanddrag sanddrag is offline
On to my 16th year in FRC
FRC #0696 (Circuit Breakers)
Team Role: Teacher
 
Join Date: Jul 2002
Rookie Year: 2002
Location: Glendale, CA
Posts: 8,519
sanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond repute
The bosch aluminum extrusions are not much heavier than the same size square tube with an average wall thickness. The extrusions are great for changing design, quickly adding mechanisms, and moving pieces without drilling. It's a snap to build and makes the whole project more modular. It is incredibly strong too. Also, its only a couple of bucks more than sq. tube.

The only downside is the cost of hardware. Those little brass alloy T-nuts are like 50 cents apiece. There's also the wierd metric hardware that's a little more money and harder to get then American hardware. The joiner plates are just a rip off so we make our own.

For those of you who voted wood, can we see some pics?
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