John and his Trebuchet

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Uploaded by on Mar 3, 2009

Hi,
I built this 8 foot trebuchet for my science fair project. Its really cool. A trebuchet is an ancient weapon used to break down the walls of castles by hurling large stones...mine hurls baseballs. My goal is to not break any windows and have a lot of FUN!!!!!

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Science & Technology

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Standard YouTube License

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  • i built a table topp catapult that shoots up to 9 feet!!!

    and i built an about 5 foot high catapult and now im gonna attach some wheels and im gonna build another one over hopefully 10 foot high

  • pretty cool

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