Instructables: exploring - play - siege-engines - desktop - featured Sun, 26 Mar 2017 13:20:09 PDT BLOX v1.01 Launch It: Torsion Spring Catapult
Launch It: Torsion Spring Catapult - More DIY How To Projects]]> i make shooting things True catapult that uses a extremely tightly wound string to power it, it fits in the palm of your hand, it cost under $20. all supplies can be purchased at Michaels. fires small foam objects 40 feet aprox 1053 feet to scale, about 7.5FPS when firing a 14g weight (twice the weight of the catapult its...
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Thu, 16 Aug 2007 10:31:55 PDT
Pocket Catapult
Pocket Catapult - More DIY How To Projects]]> MrF_DT_teacher Hi There, I've been toying around with wooden peg ideas using elastic bands to give them grip when it dawned on me. The same principle could be used to create a really simple and really small catapult. So here it is, a step by step guide to make the worlds simplest catapult. Ive used 3D models dra...
By: MrF_DT_teacher

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Sun, 5 Jun 2011 13:45:07 PDT
Catapults mg0930mg Dating back to thousands of years ago, catapults have always been a useful tool. Everyone loves catapults. Kids make them at science fairs, and adults make them, for the fun of it. Now you can use this catapult guide to win that science fair, or knock down your neighbor's house. Wooden Desktop ...
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Wed, 26 Nov 2008 16:56:04 PST