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…It was at this point that Chester realized maybe not ALL pedal-powered tools were “appropriate” technology.

Happy Earth Day!

PPPM: Pedal Powered Hacksaw

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.



  1. Zero says:

    It seems as if it would be very useful to construct a pedal-powered bandsaw, however.

  2. Luciano says:

    The issue with this technique is not that the pedal power isn’t effective, it’s that his ratio is not good.

    He needs to gear it up so that one revolution of his wheel is multiple strokes… he could also store the energy in a flywheel for greater cutting ability. Put the saw on a rod and institute a method to drop the blade onto the work once the flywheel is going and doing 60 strokes a minute and watch the blade cut the metal like a scrollsaw.

    Pedal powered lathes, scrollsaws, bandsaws, etc were quite common before the advent of steam or electric power.

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