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Unread 30-04-2014, 00:15
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I am Dave! Yognaut
AKA: Brian Bray
FRC #1296 (Full Metal Jackets)
Team Role: Mentor
 
Join Date: Jan 2011
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Re: I might be missing something with a 6 cim drive...

Quote:
Originally Posted by Oblarg View Post
Yes.

With a 125lb robot (including battery and bumpers) geared 6.1:1 with 4'' HiGrip wheels, we stalled 6CIMs when simultaneously running the compressor on a not-quite-full battery, resulting in a current draw of ~250 amps.

With the compressor off and the battery completely full, the same robot spun the wheels and pulled ~180 amps.

But CIMs stall at 133 amps apiece
...? (theoretically as always) their manufacturing specs say so. that would be 800 amps, aka very bad...
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RIP David Shafer: you will be missed