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Old 02-08-2017, 08:06 PM   #433
Gelbster
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Join Date: May 2014
Location: S.California
Posts: 2,029
Ben ,If your machinist has an Ra ,roughness measurement tool - measure the delta between the polished and unpolished part? Interesting that such polishing makes such a difference.
Ben you need to publicize your video !
https://www.youtube.com/watch?v=38hER9ajgv0

Last edited by Gelbster; 02-17-2017 at 10:07 AM.
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