Tuesday, February 20th, 2018

Hypertune nadir


Halfway through

This should be the low point of my telescope mount Hypertune project. Everything has been taken apart, and the next step will be to smooth and polish the moving parts, apply fresh lubricant, and re-assemble them. My goal is to not have any parts left over or come up short at the end. And of course to have a smoother running mount that will do a better job of tracking a guide star on long exposures. Maybe I will also gain by knowing how the darned thing works (assuming it works at all after my tender ministrations).

Removal of the last part required a propane torch to thaw a threaded locking ring, which apparently had had some thread locking compound applied. I had about given up on it, when one more tap and off it came. My only recourse would have been to ship it off to someone with the proper tools. I had optimistically been using my kitchen scissors like needle-nose pliers to unscrew the part.

Yesterday, as I was busy brushing solvent on parts and scrubbing the residue from old grease off of them, I looked down and my rubbing forefinger had turned a sickly pale green. It didn’t seem that cold at my garage work bench, but my finger evidently thought so. It took about an hour for it to quit tingling and regain feeling. Did the evaporating solvent have something to do with it? I don’t know, but of such trivial occurrences adventures are made.

This project should be the very last such adventure for this aging gent. I really can’t spare a finger.

Dave, keeping a close eye on his digits.


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  1. […] In January I decided to “hypertune” my Celestron equatorial telescope mount. Before long it was completely disassembled and looking like this. […]

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