Unpacked Knowledge

This video shows how a standard cordless drill can actually power a bicycle. It works through a concept called friction drive. The tip of the drill presses directly against the front tire. When the drill spins, that rotating force transfers straight to the wheel, pushing the bike forward.
Because modern brushless drills pack massive torque and high RPMs into a small battery, they have more than enough mechanical power to act as a temporary electric motor.

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