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Unread 06-02-2007, 10:23
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Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
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Re: do we "NEED" the power distribution block

Quote:
Originally Posted by seanl View Post
are the ground wires from the speed controllers that go to the 4 cims required to be connected to the block. currently i have them connected through the breakers.
Yes, that is the recommended method. See the latest revision of the electrical drawing and the Tips & Guidelines. It also minimizes the voltage losses to the RC due to the high currents of the motors passing through the smaller fuse panel. I know this is hard to visualize but the current provided to a motor (speed controller power in) and the current returning from the motor is the same. Since a Chalupa motor stalls at a over 100 amps, that current is flowing through both the red and black wire. For every foot of #10 (black or red)that equates to a 0.1 volt drop.
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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.