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Calcium Carbide cannon project

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Calcium Carbide cannon project

Unread postAuthor: JustinMeisse » Fri Jun 02, 2006 3:25 pm

This isn't mine, I found the link on the MAKE:Blog and thought I'd share it with you guys:
carbide cannon

Basically you mix calcium carbide with water and it produces acetylene gas, it's based on a kids toy from the 70's so it must be reasonably safe.
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Unread postAuthor: Benny » Fri Jun 02, 2006 6:29 pm

does it fire blanks?
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Unread postAuthor: sgort87 » Fri Jun 02, 2006 6:57 pm

Why in the hell would you consider anything for children from the '70s "safe"?
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Unread postAuthor: SpudStuff » Fri Jun 02, 2006 7:10 pm

lol good point :D :D .
dosn't that use bangsite to produce actylene. if so thats crazy.
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Unread postAuthor: Mihlrad » Fri Jun 02, 2006 11:28 pm

bangsite is just powdered calcium carbide nothing else. Bangsite is also very cheap and all you need to do to produce the gas is mix it properly with water, so it might be cool.
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Unread postAuthor: Benny » Sun Jun 04, 2006 1:33 am

^ if it doesnt blow you up. :D
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Unread postAuthor: beebs111 » Sun Jun 04, 2006 8:38 am

yeah, acetelene i like the high explosive of gasses, like lets say propane was black powder, acetelene would be tnt :shock: so dont use that to fire a projectile cuz the chamber will detonate :D
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Unread postAuthor: Flinchy » Sun Jun 04, 2006 11:15 am

from what I have seen acetylene releases far too much energy when it is ignited. its even worse than combining oxygen and propane gas. a carbide cannon should not fire ANYTHING, the design i have seen in Backyard Ballistics was designed and safety tested for blank shots only.

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