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Backyard Ballistics This forum is dedicated to the safe teaching and responsible handling of high and low explosives. You will not find any information on how to make "bombs" or any such device(s) . Backyard ballistics will teach you the science and the art of pyrotechnics and how to manufacture and use explosives/pyrotechnics safely and responsibly. Backyard ballistics is also a haven for rocketry and pneumatic cannons. All information contained within this forum is for educational purposes ONLY. Totse does not accept responsiblity for any incident involving the use of the information contained within this forum.

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 #1 
Old 2003-07-24, 16:48
groupie groupie is offline
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Default catapult
how can i make one from a bungee cord or springs i need help please!
 #2 
Old 2003-07-24, 18:35
Rat_Bastard Rat_Bastard is offline
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Im sure these pages might use some: http://www.backyardartillery.com/ http://www.ripcord.ws/
 #3 
Old 2003-07-24, 20:28
groupie groupie is offline
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dude thanks so much for the help i plan on making one up at my cottage
 #4 
Old 2003-07-25, 01:17
FireBomb FireBomb is offline
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Just goto http://www.ripcord.ws/ everything you could ever want to know about Trebuchets (sp) or catapults.
 
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