corn cob

Anybody ever use walnut shell or corn cob media (dry) in a rotary tumbler? My vibrator tumbler motor has become notoriously unreliable and I was wondering about getting another drum for my National Metallic wet pin tumbler instead of buying another unreliable vibrator. I have lots of walnut...

I use a rotary tumbler built from parts salvaged from a Texas Instruments dot matrix printer. Having no prior experience with rotary tumblers, I just threw 50 or 100 brass cases into the large glass jar I was using as a tumbling drum, filled it about half-way with media, put the lid on it and...

For case tumbling, we seem to mostly talk about steel pins, corn cobs and walnut shells. There have been the occasional post of someone using rice or mica, its mostly the "big three". Does anyone have any experience tumbling brass in other media? Sand. Silicon dioxide. Vermiculite. If so...