Vibratory Tumblers - Media.

[CoolHand]

Cement mixer + sand

Will yield a very long wait, which ends with parts that are not smooth, and have a great many dents.

(unless you were joking . . . . . )

Luke - You are right. I think your best bet is to build the proto like you said, and just see what happens. It might work brilliantly, it might suck hard, there isn't any easy way to tell without building one. I say go for it (of course that is easy to say when its not me doing the work or spending any money. lol ).

[luke]

it might suck hard, I say go for it (of course that is easy to say when its not me doing the work or spending any money. lol ).

[/QUOTE]

LOL, a few dollars and a couple of hours I can handle, the fact that it may "suck hard" is the difficult part.

[luke]

[CoolHand]

Yeah, it didn't occur to me to ask what kind of Hz that thing cycled at.

We had pretty good luck with 3600 rpm electric motors with the weight mounted right to the shaft.

Obviously, if you liked your motor, that is not the best solution, but it worked for what we wanted.

I don't know if an 1800 rpm would get it done or not.

[luke]