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!Flywhel Mike Smyth makes these incredible compressed air engines. On his site, he has photos and information on the V-twin and radial air engines he designed and constructed. The videos give you a good idea of how they work. His homepage also has his walking robots project to check out. Thanks B45man! Link.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.



  1. mpayson says:

    Looks like the author is expecting the site to go down due to excess bandwidth usage soon. Here’s are links to the coral cache of the air engine page, and the Walking Robot page. Use them instead of the direct links to save the guy some bandwidth…

  2. philliptorrone says:

    hey mike, if you read this and need a place for the videos we can host them on make if you’d like.