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Unread 20-02-2004, 10:28
Unsung FIRST Hero
Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
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Join Date: Jun 2001
Rookie Year: 1996
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Re: Quick question, probably asked a thousand times...

Quote:
Originally Posted by Kevin Sevcik
About the blue wires, I was referring to all these anecdotes I hear about the drills unsoldering their connections from excessive heat. I dunno what causes it, but I'm inclined to believe that it actually occurred if people say it did.
Kevin,
Believe it! The quality control on the wire solder job is not very good. If you run the motors (in practice) long enough to get the brush assy. hot, the wires do start to melt the solder. Since the connection is not a good mechanical one first, the connection series resistance rises as the solder melts making the problem worse. Sort of a domino effect.

Aidan, I am missing something. Table 5.2: Minimum Wire Size and Protection by Device Type in Section 5.6.2: Wire Size, lists the minimum wiring sizes for devices and controllers. Are you saying this is a guidline?

Newark has some superflexible wire that is zip cord #10, red paired with black, part # 24-1930 for the 100' roll, about $35/roll.
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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.