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pneumatic cannon high psi air chambers

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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pneumatic cannon high psi air chambers

Unread postAuthor: gjohng » Tue Jun 19, 2007 6:56 pm

So far i know how to make a sch 40 pvc air chamber, if anyone knows

how to connect fire extinguishers, or anyother type of chambers that can

hold a high psi, please post what they are, If you know were to get them,

and how to mod them to work for spud guns.

(pictures would be a huge help for me)

thank you. :D
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Unread postAuthor: spudthug » Tue Jun 19, 2007 7:09 pm

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4" piston valved cannon-half done..( i spilt my cement...)

Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..
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Unread postAuthor: Brooner115 » Tue Jun 19, 2007 8:55 pm

hey man I got a pretty sweet Fire Extinguisher that I can really use but its fairly old and its filled with this powdery stuff I think its lime or something can you help me maybe get that stuff out or know how to empty it?
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Unread postAuthor: lukemc » Tue Jun 19, 2007 9:02 pm

cant you just wash it out? or if its still presurised just spray it
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Unread postAuthor: gjohng » Tue Jun 19, 2007 9:52 pm

wow thank you guys for all the help! :)
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Unread postAuthor: mopherman » Tue Jun 19, 2007 9:57 pm

Have you considered using threaded steel pipe? it can hold high pressure and its just regular npt. The threads on fire extinguishers are pretty exotic but jbweld might work.
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Unread postAuthor: prosniper » Sat Jul 07, 2007 7:52 am

spudthug wrote:http://www.spudfiles.com/forums/double-chamber-qev-gun-t8172.html

http://www.spudfiles.com/forums/amg-v-2-0-t7733.html

http://www.spudfiles.com/forums/jme-45-t7868.html

http://www.spudfiles.com/forums/water-c ... t7713.html

http://www.spudfiles.com/forums/amg-fe- ... t6904.html

http://www.spudfiles.com/forums/the-ham ... t8710.html

fire extinguishers are my best freinds :D
HAY DONT FORGET MINE http://www.spudfiles.com/forums/viewtop ... html#98173


hay dont forget mine

i seriously use them all of the time...

i silver soldered all of them except one which i jbwelded...

jb weld is fine jsut plop a fitting in there and epoxy it
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Unread postAuthor: Jumpin Jehosaphat » Sat Jul 07, 2007 10:31 am

prosniper wrote:
spudthug wrote:http://www.spudfiles.com/forums/double-chamber-qev-gun-t8172.html

http://www.spudfiles.com/forums/amg-v-2-0-t7733.html

http://www.spudfiles.com/forums/jme-45-t7868.html

http://www.spudfiles.com/forums/water-c ... t7713.html

http://www.spudfiles.com/forums/amg-fe- ... t6904.html

http://www.spudfiles.com/forums/the-ham ... t8710.html

fire extinguishers are my best freinds :D
HAY DONT FORGET MINE http://www.spudfiles.com/forums/viewtop ... html#98173


hay dont forget mine

i seriously use them all of the time...

i silver soldered all of them except one which i jbwelded...

jb weld is fine jsut plop a fitting in there and epoxy it


U usually write something after you quote somebody. Lol.
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Unread postAuthor: Gepard » Sat Jul 07, 2007 12:09 pm

He wrote it inside the quote instead.

Michael
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Unread postAuthor: sandman » Sat Jul 07, 2007 12:20 pm

he put his message inside the quote
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Unread postAuthor: Jumpin Jehosaphat » Sat Jul 07, 2007 12:28 pm

Oh weird, He wrote right into the middle of the quote... I didn't read it carefully enough lol.

Edit: Btw hay is for horses.
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