Make: Technology on Your Time Volume 21

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BUILD NOTES

Run a mini electric “punk bike” faster (and funnier) by powering it with a big, bad cordless drill.

The Drill Rod

BY RUSS BYRER

I HAVE A 25’ CRUISING TUGBOAT IN FLORIDA, and I wanted a small, lightweight ride that I could keep onboard for making beer and ice runs when I pull into a marina. After seeing a short segment on TV about a cordless-drill-powered bike at a hardware convention, I decided to build my own.

Behold the result: the Drill Rod (Figure A). Equipped with a 36-volt drill, this brute accelerates from 0 to 10mph in just ...

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