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Mini Pneumatic

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: saladtossser » Thu Jul 21, 2005 1:23 pm

a student at my school made some arm thing from a valve even smaller
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"whoa... I thought pimpmann was black..."-pyromanic13
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Unread postAuthor: Flawxy » Tue Aug 09, 2005 7:26 pm

OMG please move the loctaion of the igniter on the top cannon. ive heard so many stories of people settin ghtose off when loading potatoes in them with old gas in there. :cry:
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Unread postAuthor: spudshot » Tue Aug 09, 2005 7:37 pm

or better, dont put the ignitor in the gun, use 2 screws and wire the ignitor to them
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Unread postAuthor: boilingleadbath » Tue Aug 09, 2005 7:56 pm

On the flow issue: I'd like to point out that a 1" sprinkler valve, because of all it's bends and restrictions, only has the flow of a 9/16" ballvalve.
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Unread postAuthor: saladtossser » Tue Aug 09, 2005 8:02 pm

bad, but not too bad, it still shoots farther
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Unread postAuthor: DriftingRz » Sun Sep 25, 2005 9:36 pm

Can some one list everything i would need to make this and would this hook up to a Bicycle pump
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Unread postAuthor: DriftingRz » Mon Sep 26, 2005 2:13 pm

well i really just need to know how the Ball valve is connected on both sides barrel and Chamber
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Unread postAuthor: deathtodeer666 » Thu Oct 13, 2005 9:38 pm

Yeah how do u connect the ball valve to pvc does it just screw into 1/2 threaded adapter? and yes a auto motive shrader like this can be bought at a lawn mower shor for 4 bucks and hooks easily to a bike pump.
Edit: and dont double post
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Unread postAuthor: boilingleadbath » Fri Oct 14, 2005 3:25 pm

They sell ball valves in both threaded and solvent weld varieties. Both are about the same cost, and both are fairly common.
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Unread postAuthor: crcowboyfan » Mon Feb 27, 2006 8:56 pm

Could someone give me a complete parts list for this cannon?

Thanks
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Unread postAuthor: TfAv1228 » Mon Feb 27, 2006 10:16 pm

LIST GO BYE BYE

yeah this is a nice cannon but you should reconsider using a tire version shrader valve they are not that safe because they have no threads and i dont believe are solvent weldable. Use an air tank version shrader valve and reducing bushings its much safer.
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Last edited by TfAv1228 on Tue Feb 28, 2006 6:32 pm, edited 1 time in total.

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Unread postAuthor: crcowboyfan » Tue Feb 28, 2006 7:46 am

Thanks for the list, but could you please explain to me what socket weld, npt and pipe mean? Sorry, I'm new to this. Also, where does the nipple go in this cannon?
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Unread postAuthor: boilingleadbath » Tue Feb 28, 2006 6:34 pm

Use google, because asking "what does NPT mean" makes you look REALLY dumb to all but the newest members. I mean, seriously... you should be embarassed to ask such easily-googlable answears. (And I'v checked the google-ability of them before, so I'm know they are easy to find the answear to.)
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Unread postAuthor: Shrimphead » Wed Mar 01, 2006 12:12 am

What are you talking about solvent welding a shrader valve? He just drilled a hole and popped it in. The automotive ones are designed to just be popped into the rim or whatever of a tire.
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Unread postAuthor: dragon finder » Wed Mar 01, 2006 12:17 am

I have pulled off some memorable newb actions too he he I was stubborn

Tip for newbs think before writing it's a comon mistake
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