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My Mini Piston Gun

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: ProfessorAmadeus » Fri Sep 01, 2006 9:53 pm

Its as far as i could get it. Same with the tee and elbows. I found the book in the creek and thought it would be a good target. I cant believe it went through.
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Unread postAuthor: PVC Arsenal 17 » Fri Sep 01, 2006 10:40 pm

why not cut it down?
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Unread postAuthor: ProfessorAmadeus » Fri Sep 01, 2006 10:55 pm

What do you meen? Could you explain. This thing is so much fun you guys should make one and it takes about 20 mins to build and even a person new to spud guns can build one.
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Unread postAuthor: PVC Arsenal 17 » Fri Sep 01, 2006 10:58 pm

If the bushing is too long to fit into the socket, why not cut a small length off the end so it fits flush?
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Unread postAuthor: ProfessorAmadeus » Fri Sep 01, 2006 10:59 pm

Oh i didnt even think of that. * smacking self in the head*
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Unread postAuthor: Velocity » Fri Sep 01, 2006 11:01 pm

All of the parts are NSF-pw (or so it appears). if that is so, the bushing should not need to be cut down; it should fit flushly no matter what. I have a recommendation for your next cannon: spend a couple bucks and buy a rubber mallet. They are honestly GREAT; they make solvent welding so much easier. You just pound in the fitting with the rubber mallet (while attempting to make a quarter turn), and then you just hold for 30 seconds
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Unread postAuthor: ProfessorAmadeus » Fri Sep 01, 2006 11:04 pm

i useda dead blow hammer once and broke my pvc. I was soo sad.
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Unread postAuthor: ProfessorAmadeus » Fri Sep 01, 2006 11:40 pm

On my next sniper i got dwv couplings by mistake. Can i still use them at high pressures like 100psi.
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Unread postAuthor: MrCrowley » Fri Sep 01, 2006 11:47 pm

i wouldnt go over 80psi
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Unread postAuthor: ProfessorAmadeus » Sat Sep 02, 2006 10:31 am

Well That really sucks. i was hoping for at least 100 psi. Well i Guess it will have to do.
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Unread postAuthor: MrCrowley » Sat Sep 02, 2006 4:12 pm

people have gone to 110psi with it,so you could put it around a brick wall and you stand on the otherside of the brick wall and pump it to 100psi
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Unread postAuthor: ProfessorAmadeus » Sat Sep 02, 2006 4:17 pm

Nah ill just play it safe around 80psi then. i dont want to stress those fitting with that high of pressure anyway.
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Unread postAuthor: MrCrowley » Sat Sep 02, 2006 4:23 pm

make sure its thick dwv as ive heard some people mistake downpipe/spouting for dwv
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Unread postAuthor: Velocity » Sat Sep 02, 2006 5:43 pm

I recommend you trash it and buy NSF-pw. The launcher just will not be very fun if you always have to worry about the thing exploding; you will be glad you bought the fittings.
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Unread postAuthor: noname » Sat Sep 02, 2006 5:49 pm

Or just return the parts and get new pw ones.
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