Old 02-26-09, 01:43 PM
Join Date: Feb 2009
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Well, you might be entirely right. Might need to employ a Dewalt 36 volt Li-ion battery pack and a 36 V motor. I can scratch-build a suitable MOSFET motor controller. But I lack the engineering background to figure out what RPM, torque, etc. is needed to drive a 26 in. wheel to 10 MPH or so. Also, you could greatly lessen the torque requirement by not engaging the drill/drive system until you have gotten the bike up to speed by pedal-power. Maybe in that case then, a Makita-type drill could handle the load?
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