I have been looking at it the same way. Stepper motors that are big enough are pricey. I have been looking at drill motors, they can be had for cheap on ebay. A wiper motor with its 70rpms is too slow.
Are you planning on mounting a motor to it or using the drill? I have one in the final stages like the other thread with no motor yet. New baby got in the way.
That happened to me when i tried to fill the pot with 7.5-8 gallons of water. I use a ten gallon pot and a few bigger grain bills did wick the wort up my viole bag and outside the pot. That was with 20+ lb grainbills. I now always use 7 gallons and havent had the problem again. The most...