Quote:
Originally Posted by Kevin Sevcik
... That's not to say that casters on a robot are all that great an idea, as you well know.
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Everything is a trade off. In general batteries belong in the middle of your robot, unless you want to move your CG an extra inch or so to give you the margin you need hang off a bridge... ...so you move 10% of your robot forward 10 inches and you take your inch and get over the ickyness of a battery at the edge of your robot.
And so it is with casters. For 99% of the time in FRC, they suck pretty bad, but that 1% they offer something that overcomes the suckiness.
Now that folks think steel Ball Transfers are legal, has anyone used them on a FIRST robot? Tips please?
FYI, in my case the are competing with feet that are currently Delrin but if I don't go with these ball transfers, I am probably going to use UHMWPE -- the best thing I can think of for a slippery foot if I don't go with moving parts...
Joe J.
When you boil it down, the name “FIRST-a-holic” represents our passion for changing the world, our energy for difficult challenges, and our bravery in facing unknowns. - Ken Leung [more] 
06-03-2012, 20:36
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