Quote:
Originally Posted by ChrisV
First time I did mine I thought the problem was the bearings. I replaced a couple of the large bearings ( but not the tapered one). Superlubed everything and it was much better.
But later I cleaned out the old bearings, superlubed them and tried them again. All was good. So really, it just needed a good clean and regrease.
I still got egg shaped stars at longer focal lengths. So eventually trashed the coffee grinders motors, and replaced with steppers/pulleys/belts using the onstep system. You wouldn't believe it was a cgem anymore - quiet and beautiful tracking - well good enough for me
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Oh wow this looks promising Chris! Future project for me when I get the initial tuning done

do you have any links you can share for this particular mod?
Edit: coffee grinder motors