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Nice, love the enginuity. I started on one yesterday before seeing your post. I went a different route for the motor. Found an 18V Dewalt drill on craiglist without batteries for $50. Hacked up the drill to use the motor and gearbox. I'm using the same 7.5ah batteries. Made the case out of aluminum. I still need to weld on the handles and lid, attach the switch and wire it up. I scavanged the batteries out of backup power supplies for computers and had the aluminum laying around the shop. So I'm only in $50 and some time at the welding bench. Don't pick on my welds, there not the best
Not trying to be a smart alec, how are you getting 18v out of two 12v batteries? Are you charging them to 9v each and hooking up in series?
made it out to the lake this weekend and got some video of it in action...check it outhttp://www.youtube.com/watch?v=zp9G9sbpvqMtell me what you think
thanks...$60 for the gear motor, $20 for the switch, $10 for wiring and connectors, and $10 for the cutting boards. Then you add an auger and 2 batteries and another $10 for misc. hardware...and waalaa...an afternoon later you have a lightweight rig that will drill holes in the ice!