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Santana Finish question

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Santana Finish question

Old 05-07-19, 04:47 AM
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Tandem Tom
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Santana Finish question

Yesterday a Santana tandem came into the shop for a bit of work. The finish was interesting. The frame is bare aluminum with "swirl" marks all of it. Maybe made with a disc sander? Them it was clear coated.
Anyone familiar with this finish and how it was done?
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Old 05-07-19, 09:12 AM
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unterhausen
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sounds like a swirled finish which is done with a polishing pad on a rotary tool.
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Old 05-07-19, 01:47 PM
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dsaul
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Yeah, probably a scotch brite pad on a rotary tool.
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Old 05-07-19, 08:26 PM
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By "rotary tool" what would that be? I am a woodworker so my sand tools are a bit different.
Thanks!
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Old 05-08-19, 04:43 AM
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dsaul
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I would use something like this surface prep tool with a 2" scotch brite pad. https://www.amazon.com/OEMTOOLS-2577.../dp/B004FELNAI
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Old 05-08-19, 05:17 AM
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Tandem Tom
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Thanks!
I have an older aluminum hybrid that I thought would be interesting to strip off the paint and do this finish.
Next winter project!
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Old 05-08-19, 07:26 AM
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I said rotary tool because it doesn't matter how you spin the pad. On youtube, the tool of choice seems to be a drill press, but that probably isn't going to work that well on a frame. I would probably use a dremel. I'm sure Santana used a 90 degree die grinder, which is what that "surface prep" tool is. If you were careful, a hand drill would work. Definitely use a pad that doesn't have much tooth. You could cut right through if you used an aggressive pad.
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