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Unread 15-01-2014, 12:03
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
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Re: Legal Counterweights

The rule is
R31
The only legal source of electrical energy for the ROBOT during the competition, the ROBOT battery, is one of the following approved 12VDC non-spillable lead acid batteries:

And

R35
The one ROBOT battery, the one main 120-amp (120A) circuit breaker...
Emphasis mine.

One and only one please. As to counter weight for your trebuchet, by definition that would add significant electrical loss through the long #6 or larger wire. If you were to mount the 120 amp circuit breaker on the robot, then a significant length of wire would be unprotected should a short occur. While this is not specifically addressed in the rules, it is bad electrical practice to do so.
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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.