[Lab] protein jar tumblers

Darcy Whyte darcy at siteware.com
Sun Jul 3 16:47:51 EDT 2011

Um, because water is involved, I'm a bit concerned about screwing through

Also, by doing something that interferes with the outside roundness of the
jar, it might not roll on the tumbler.

I'm not dismissing it. It sounds better the more I think of it but it still
requires the right solvent to seal it up...

On Sun, Jul 3, 2011 at 4:40 PM, mike Jans <mjans at live.com> wrote:

>  Do you think the jar is tough enough to screw through? If so, you could
> press the agitators against the inside of the drum and screw into them from
> the outside.
> ------------------------------
> From: darcy at siteware.com
> Date: Sun, 3 Jul 2011 13:24:09 -0400
> To: lab at artengine.ca
> Subject: [Lab] protein jar tumblers
> I finally found some empty plastic protein jars to use for my rock tumbling
> project. They are large (like a gallon) and they have a wide mouth. The
> plastic is very tough so I think they will be okay as rock tumblers. They
> may be made of vinyl I'm not sure.
> Anyways, any ideas of how to install rubs inside them so the rocks don't
> just slide inside?
> I'm just a little concerned that it will be hard to glue unless I can find
> the right solvent.
> One thing I thought of is to add a disk underneath the lid. So when you go
> to add the lid (like a peanut jar lid), you first put down a disk as if it
> were a seal. The lid would go over top of this disk and hold it in place.
> Then the disk could have some agitators attached to it so that as
> the assembly turns the agitators rotate inside the container and make sure
> the stones don't slide.
> Any thoughts?
> http://mambohead.com/2011/06/rock-tumbler-first-run/
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