The world is building catapults again. From Punkin Chunkin to a rock video's flying piano, modern catapults are emerging from backyard workshops. A quick survey of the technology, and where to start learning how to design your own.

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Jeff Del Papa

Founder - The New England Rubbish Deconstruction Society; The NERDS

Founded the first US team to appear on Junkyard Wars/Scrapheap Challenge. Builder of recumbent bicycles, kinetic sculpture, catapults (The Piano Mover from Hell), and whatever else strikes my fancy.

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