On Wed, 18 Feb 2009 16:23:54 -0600, RB wrote:

I have acquired a gearmotor. I've known of these and seen plenty, but I
have no idea what this one would be good for:

1/2 HP
30 RPM
6" single-groove Vee-pulley.

The only thing comes to mind is a power hacksaw.
What sorts of things would such a motor be used for?

Rock tumbler?