Affordable Rock Tumbler B&D Drill Motor Version

NOTE: Bad news! Don't use the DROK voltage regulator! It will NOT put out enough Volts for the needed Amps to power the drill WHILE under a load, (ie: the can is loaded with rocks!). What I need is a different voltage regulator that will put out higher volts, so the drill can draw the proper amps which will increase the tork, (hopefully, otherwise I will need to figure out a different gear system?). I will try to find another voltage regulator that is better suited and report back when I get t