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Inserting rubber tirevalve..

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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Inserting rubber tirevalve..

Unread postAuthor: mac » Mon Oct 30, 2006 1:27 am

Could someone post pictures on how they inserted thier rubber tirevalve like this http://img207.imageshack.us/img207/2711/capmo1.jpg into their PVC chambers
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Unread postAuthor: rna_duelers » Mon Oct 30, 2006 1:36 am

Drill a hole in you pvc,endcap is preferd.Make the hole a bit bigger then the rubber shaft so that it can slid through it and then get a pair of multi grips(plyers)And pull the heck out of it and ti will go pop and it will be stuck in place on either side of the nipple.
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Unread postAuthor: SpudStuff » Mon Oct 30, 2006 1:39 am

I believe it is a 1/2" hole then pull it through. I would reccomend getting a 1/8" NPT threaded one.
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Unread postAuthor: mac » Tue Oct 31, 2006 12:19 am

Which ones more safer to use a copper tire valve or the rubber one like in the picture?
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Unread postAuthor: mac » Tue Oct 31, 2006 12:29 am

Also ive been reading that using a "bushing" connector piece is safer, but ive noticed not many people have these fittings on their spud guns.
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Unread postAuthor: frankrede » Tue Oct 31, 2006 8:40 pm

I agree with spudshot, get a threaded one.
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Unread postAuthor: Infernal2 » Tue Oct 31, 2006 9:25 pm

Agreed, I've recently moved to only using threaded schraders. A little more expensive but definetly worth it. And guess what? They're reusuable.

1/2 hole in most instances will allow you to pull the rubber valve through. As a safety precaution you should treat a rubber valve like any tapped object. Insert it through two layers of PVC.
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Unread postAuthor: Insomniac » Tue Dec 26, 2006 2:11 am

Well, the best way I've found is to drill a hole the same size as the narrow part and put blu tac on the part of the schrader where it starts to get wider. Pull it through the hole, and once it's fairly tight wrap the neck in electrical tape to stop it sliding back through. I have tested it to 100psi and it didn't leak at all. This should be safer than what rna dualers said, because the rubber schraders are only rated to 60 psi as they can pop out past this pressure ( The people who make them are just being safe though, they would probably go higher without a problem)
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Unread postAuthor: rna_duelers » Tue Dec 26, 2006 5:04 am

Are you talking about the type that pop in?Or the type tha are used on bike tires?Because they have a lip on either side in which they "pop" into and the dont require anthing like blutak or tape because it is not able to move or slide back in as the lip stops it from moving,once it is in its not going anywere unless HIGH pressure is used.High pressure meaning 130psi+.
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