[Lab] protein jar tumblers

[Andrew Plumb]

How about magnets on the outside (out of the way of the rollers) and ferrous-something (possibly coated in silicone or other inert material) on the inside?

Andrew.

On 2011-07-03, at 4:47 PM, Darcy Whyte wrote:

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