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Re: Hubs
Maybe a picture of your hub installation would help. I'm having trouble understanding what is getting loose. Is the hub slipping axially (in the direction of the shaft's axis) or is it rotating relative to the shaft? Are you using a key, or does your set screw extend into the shaft key slot?
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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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