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Old April 9, 2012, 08:04 PM   #1
praetorian97
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Tumbler mix

I know there are a lot of variables but how many cylces are you roughly getting out of your mix?

I'm doing 50/50 Corn and Walnut with some Berrys shine additive. 2 hour cycles on pistol brass. Curious how long I can go before having to change it out. So far I'm on my 4th cycle.
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Old April 9, 2012, 08:39 PM   #2
wncchester
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Tumbling media works by rubbing, it doesn't really 'wear out'; if it's still in kernels instead of dust it will work fine.

When the kernels are coated with a dirty looking gray glaze it's time to quit adding polish and just add an ounce or so of mineral spirts/oderless paint thinner; that solvent will soften the hard glazed, dry polish and rejuvinate it. Or you could do as many others do; just say it's 'worn out', toss it and start over with too much polish until it's glazed over again.

The tumbler companies sell both cob and nut media because both work and there is no practicle difference between them. Some guys use straight cob and are happy, some use straight nut and are happy, some use a mixture just to make sure they use the 'right' stuff and are happy. ??
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Old April 9, 2012, 08:52 PM   #3
praetorian97
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Thanks! I'm a sonic cleaner guy trying to figure out the art of tumbling.
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Old April 9, 2012, 09:35 PM   #4
jepp2
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I change my media when it gets really filthy. To prolong the life, I put paper towel strips in with the media to collect dust. But it gets to a point where the brass has a lot of grime left on the surface.

It will depend somewhat on how dirty your brass is to begin with. But well over 100 hours life is what I normally experience before changing it out.
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Old April 9, 2012, 10:33 PM   #5
dacaur
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Quote:
The tumbler companies sell both cob and nut media because both work and there is no practicle difference between them.
Corn cob makes my brass shinier than walnut....
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Old April 10, 2012, 11:16 AM   #6
Jim243
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Change mine about once every 6 months. Depends on how many cases are done and in what condition they are in and how often you tummble.

I will do 223 one day and 9mm the next and so on and so on. I get between 20 to 30 cycles (1 to 2 hours each) from my media before changes.

Jim
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Old April 10, 2012, 01:02 PM   #7
praetorian97
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Thanks for piping in guys. I didn't think I would get that long of use out of my Mix.
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Old April 10, 2012, 06:19 PM   #8
m&p45acp10+1
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I have media that I have used for at least 5 months. In that time I have cleaned well over 35K pieces of brass. I have never ever had any clog a case, ir flash hole ever. I dab some NuFinnish Car Polish on a cleaning patch and drop it in the tumbler with walnut shell blasting media from HF. I do toss in torn up pieces of used dryer sheets as well. I change the media when clean looking brass leaves my fingers looking black after handling it. I still have well over half of the 25 pounds I bought over a year and half ago.

Note the brass comes out clean. More towards the slightly shining side. I do not care for super bling shining brass it does not shoot any better. I like to have the brass clean for trading off for other components.

Super cruddy rifle brass goes into the tumbler for a bit before lubing and sizing. Not so dirty stuff gets sonic cleaned after lubing, sizing, and trimming. I like the sonic cleaner better due to the fact that using my tumbler stirs enough dust to trigger my allergies for a couple of days afterwards. Though the tumbler still gets used quite a bit.
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