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.
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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.
A good leader will step down so the right people are in the leadership positions, regardless of age. - Phoenix Spud [more] 
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