tahoegranite
off to a rocking start
Member since April 2018
Posts: 2
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Post by tahoegranite on Apr 29, 2018 20:39:16 GMT -5
Howdy! Does anyone have experience polishing river rocks of say softball size or larger? I used and Eastman 18 bowl on my Harbor Freight 18 vibrator and it ate a hole in the blue polypropylene 18 lb bowl. Eastman said their product was not meant for polishing rocks, but only metal casings, etc. The Thumler Tumbler Ultra Vibe 18 is way too small for my rocks. the Ultra Vibe 45 might just work if I could find a used version. Any ideas on polishing fairly large river rocks? tahoegranite Attachments:
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Post by gmitch067 on Apr 29, 2018 21:34:49 GMT -5
I think jamesp mentioned that large rocks could be done one-at-a-time... see his post (page 2 submitted Nov21 @5:57 AM) forum.rocktumblinghobby.com/thread/81064/recharge-double-dose-gritI have seen other members posts say if you can fit it into a Lot-O opening it can polish. Lol! Use one stone with small pea gravel or ceramics in the rotary then shift to Lot-O. Glenn
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grizman
freely admits to licking rocks
Member since July 2011
Posts: 878
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Post by grizman on Apr 29, 2018 23:07:08 GMT -5
I tried a pretty large (baseball size) piece of pet-wood in my Lortone QT 12. I ran it from course through polish in the QT 12. I was surprised by the quality of the polish I got! It was too big to even think about getting it in the Lot-O. However, I have squeezed some pretty big rocks through a squished Lot-O neck. They polish great...the problem is getting them out when they are slick with polish and Borax! I think the secret is ONE big rock and then some 3/4" to 1" rocks, and then 80% pea gravel to top it off. Good luck!
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tahoegranite
off to a rocking start
Member since April 2018
Posts: 2
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Post by tahoegranite on Apr 30, 2018 0:55:05 GMT -5
Thank you guys! I will give that a try because I already own a QT 12. This is a great web site!
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Post by HankRocks on Apr 30, 2018 6:35:43 GMT -5
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Post by fantastic5 on Apr 30, 2018 7:51:21 GMT -5
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Post by rockjunquie on Apr 30, 2018 9:17:06 GMT -5
Welcome from VA.
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Post by hummingbirdstones on Apr 30, 2018 9:20:24 GMT -5
Welcome from Northern Arizona!
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Post by TheRock on May 13, 2018 22:16:18 GMT -5
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