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Unread 12-02-2003, 18:51
Jeff Waegelin's Avatar
Jeff Waegelin Jeff Waegelin is offline
El Jefe de 148
AKA: Midwest Refugee
FRC #0148 (Robowranglers)
Team Role: Engineer
 
Join Date: Aug 2001
Rookie Year: 2001
Location: Greenville, TX
Posts: 3,132
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Quote:
Originally posted by ChrisH
Finally remove all steel in any non-wearing application. If there is no metal to metal contact you can probably save weight by switching to aluminium.
We learned that last year. We built our robot entirely out of steel. The frame and arms were made with 3/4" steel angle. It was strong as anything, but it weighed a ton. We had a very basic design and came in at 138 lbs the night before ship. We ended up scrapping a whole mechanism to do that. Steel worked very well for us, but if we had had anything more than a basic 'bot, we would have been way over. This year, we're using box aluminum tubing. It's almost 50% lighter than our steel angle.
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Jeff Waegelin
Mechanical Engineer, Innovation First Labs
Lead Engineer, Team 148 - The Robowranglers
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