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Unread 04-04-2016, 07:20
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: 10,785
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Re: COMM lost way to many times

Quote:
Originally Posted by Monochron View Post
We are considering moving to mostly solidcore wire to avoid troubles in the future.
Please don't do this. Solid wire is not for use on moving objects. It has a real tendency to fatigue and break just when you need it the most. (Al's Murphy's law corollary...If it can go wrong, it will on Einstein.) Most of the contacts on the components are designed for stranded wire so that the wire can conform to the internal shape of the contact. The ferrules are specifically designed to be used with a certain product so be sure to buy the type for your application. The ferrules for use with the PDP are not round.
Be careful what you use for static discharge, any damage to the field (carpet or other) will irk the field supervisor who will then tell the Head Ref. More importantly for those who suspect static issues is to look where your wiring is running through the robot. If it is near the wheels, or other moving parts, what static might build up will rapidly jump to that wiring. While most of the components are designed to survive that discharge, that doesn't mean they will continue to function during the match. It is entirely possible that a power reboot is the only way to correct the condition. Power wiring that receives the static discharge will pass that along to other wiring that might run in parallel. Most wiring teams use only has a 300 volt rating for the insulation.
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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.
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