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08-30-2019, 08:01 PM | #1 |
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Join Date: Sep 2016
Location: Redington Beach
Posts: 1,317
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Rock Tumbler DIY -reduce RPM
Wife wans a rock tumbler (larger).
I have one of these I dont use much. https://www.harborfreight.com/power-...fer-61557.html Half inch arbor. 3450 RPM I need to drop that down to around 30 rpm. How do I work out the pulley sizes Im likely to need. Similar to this setup.
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