you mean rpm's correct? I was using a big electric 1 3/4 hp buffer/polisher with 3400-3600 rpm and a air polisher with 4200 rpm. I was using a 8in wheel at first but then realized the rpm was more than the recommended speed so I switched to a 4in wheel (which should put me in the recommended range) and I think it got better. The more I seem to be learning the more it seems the marks are impossible to completely rid the piece of but I want to minimize it the best I can. I know it can get better because I had another frame in my shop that was done by another shop that had less swirls. Should I use the powder as suggested as the last and final stage to help? Or is there another product which helps minimize swirl marks at the finals stages other than the wheels (mushrooms or something)? Thanks in advance!
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