Build a human-powered catapult

Date:16 June 2010 Tags:,

It’s a beautiful day for a flamethrower… or a catapult or a spud gun – any day works for Bill Gurstelle, mad scientist of Minneapolis.

Watch as Gurstelle explains how to make your own catapult out of PVC Piping!

Read more about Bill Gurstelle and his antics in, Backyard flamethrower

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