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Re: VEXPro - After the season
Quote:
Originally Posted by topgun
The biggest issue we had with a couple of them was we stripped the hexagon socket set screw that tightened onto the motor shaft. I haven't determined if this was the students using worn hex keys, incorrect size hex keys, or what. If we tried to take the set screw off, the internal hexagon socket became damaged so that we couldn't remove the set screw. Maybe a different quality set screw would eliminate this problem.
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We used several VP gearboxes this year. On some (but not all) we found that an M2.5 hex key fit better than a 3/32", which is the size indicated in Step 3 on p. 8 of the VP User Guide. Probably a higher quality set screw would help fix this variation.
__________________
Richard Wallace
Mentor since 2011 for FRC 3620 Average Joes (St. Joseph, Michigan)
Mentor 2002-10 for FRC 931 Perpetual Chaos (St. Louis, Missouri)
 since 2003
I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
(Cosmic Religion : With Other Opinions and Aphorisms (1931) by Albert Einstein, p. 97)
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It's a hunch, based on engineering intuition; there are too many hard-to-quantify variables to do any accurate calculations. Looking for some experimental corroboration or refutation. - Ether [more] 
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