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Yeah, if you set up a pulley system to step down the speed a little, you'd also pick up some torque which would be a real plus, when you throw a piece of steel into the grit you don't want the motor...

All you'd need is a few pulleys, pieces of steel tubing, contact wheels, nuts/bolts and a bunch of time.

I've thought about building one for about a year and a half, maybe we can have a "build...