It was for bank shot
When in doubt, don’t trust YouTube…
when in doubt dont troubleshoot
add rubber bands and zipties
motor wire works too in a pinch
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give up
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end the suffering…
Deform the ends of your shafts to prevent them from falling off. You can save weight, and you won’t have to deal with setscrews loosening,
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To have a robot with too much chain on it
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That doesn’t seem like bad advice…
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I have wonderful advice: build an x-drive when the programmer has no idea what he is doing.
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another bad thing you could do is not start an engineering notebook until a week before the 1st competition
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Actually the RED pins are good, same quality as the rest of the new colored pins. You are thinking of the burgundy colored pins that came out with the first IQ kits. And you are right, you should not need more than one of them 
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The ultimate advice: follow each and all of the advice in this thread (it doesn’t matter if it’s physically impossible to do it, do it anyways)
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Never use a hammer or saw on the c channel, it preserves it
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Never modify. If Vex made the parts the lengths they are, in intervals of five, then they must be kept that way. It doesn’t matter if your bot is outside of the 18/18/18.
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you guys are using the 18x18? that sizing tool is just some drivetrain parts
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Programming is useless. Just use the amazing default drive program on the brain. (This advice applies to both V5 and VEX iq)
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Plagiarize everything. Why bother designing and researching things when you can just use other people’s work.
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and what you can’t plagiarize, have your parent do the rest, in fact just burn the manual
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Instructors are there to help. you are there to give them intsructions