Introduction: Build a Giant Air Cannon
Buld a large air cannon using 3D instructions (http://www.engineering.com/Videos/SomeAssemblyRequiredChannel/VideoId/2708/Build-A-Giant-Air-Cannon.aspx) and a video!
Torben generates a remarkable long-distance blast with this giant air cannon. See how to build your own in this high-energy episode of Some Assembly Required
We have a be nice policy.
Please be positive and constructive.