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Unread 29-01-2010, 22:44
Unsung FIRST Hero
Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 1996
Location: Wheeling, IL
Posts: 10,766
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Re: Spike to CIM Motor

A spike cannot be used on a CIM as shown in the rule Joe pointed but more importantly, the relay in the Spike can only handle 20 amps. The stall current of a CIM is 129 amps. Stall current is drawn everytime the motor starts or is held in place while power is applied. That amount of current will cause catastrophic damage to the Spike. Like wise the rule applies to other motors as well. The FP has a stall current rating more than three times the rated current of the Spike.
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Good Luck All. Learn something new, everyday!
Al
WB9UVJ
www.wildstang.org
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Storming the Tower since 1996.

Last edited by Al Skierkiewicz : 03-02-2010 at 19:58.