Eddie Abbondanzio converted a Razor A5 Lux push scooter to electric drive using a cordless drill, and wrote up the build on his site.
He uses the scooter to get around at autocross events while working the course. He already owned it and did not want a second scooter sitting unused, so he adapted the one he had with a welder, a 3D printer, and parts from Harbor Freight, Amazon, and McMaster.
It is front wheel drive. A Hercules cordless drill sends power to the front wheel through a keyed shaft and one way bearings, so the wheel still free spins when the drill is off. Run in the low speed setting, it tops out around 10mph with a rider aboard. A 5 amp hour battery is good for about 2 miles.
The drill’s original trigger was relocated to the handlebars, which meant opening the drill and extending wires in the trigger assembly. The wheel and tire are printed in three pieces, ASA for the wheel and TPU for the tire, with teeth on the mounting surface so the tire cannot spin.…