first combustion

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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666lucky693
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Sun Dec 03, 2006 6:12 pm

this is my cool combustion cannon it is made from sch40 pvc conduit the clean out cap is is an airhockey table thing to fire u stick a stick lighter in the little hole it uses propane to fire it is my first combustion gun
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end of barrel
end of barrel
full gun
full gun
back end of gun
back end of gun
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experament_u2
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Sun Dec 03, 2006 9:40 pm

interesting so its just a length of pipe with a cap on the end :? dose it work good?
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666lucky693
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Sun Dec 03, 2006 9:51 pm

its a 2inch pipe that goes into a 1 inch the two inch pipe is 16 inches long and th 1 inch barrel is 26 inches long i guess it fires ok but the first pneumatic gun i made was 100 times better it would fire a paint ball out of sight
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Flying_Salt
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Sun Dec 03, 2006 9:52 pm

You should take apart that lighter and use the sparker, it'll work much better.
sgort87 wrote: I hereby present Flying_Salt with The one and only <a href="http://www.geocities.com/sgort87/ghetto">Ghetto Award!</a>
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666lucky693
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Sun Dec 03, 2006 9:58 pm

what should i do with the hole that i used for the lighter
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666lucky693
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Tue Dec 05, 2006 5:31 pm

I finialy fixed it i added a new chamber now its 22 1/2 inches and i took apart the lighter and now i am just using the sparker. about how much propane does any body know how much i should use could u please tell me it in seconds its a brand new tank with a torch nozzel on it
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