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Need help with paintball tank!

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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Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Thu Jan 15, 2015 2:51 pm

Hello everyone! I just got done working on my coaxial air rifle! I bought a guerrilla air 13/3000 hpa tank with regulator and a Palmers low pressure female stabilizer. Every time i screw in the tank to the stabilizer i can't get any air into the gun. I've tested the gun by filling it up with a compressor and everything works like it should be except for the tank. The threads on the tank are fine and i can screw it in all the way into the stabilizer, I also don't hear any leaks and every time i screw the tank off i hear some air escaping for like a second but that's normal when it comes to paintball guns. When the tank was connected the needle on the gauge wasn't going down. I also played around with the stabilizer and there was no difference. Is there something I'm missing with this tank?
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20150106_140157.jpg

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Re: Need help with paintball tank!

Unread postAuthor: Gippeto » Thu Jan 15, 2015 3:18 pm

Stabilizer has a screw on the end to adjust output pressure...is this having any effect?
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Re: Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Thu Jan 15, 2015 3:28 pm

I've tried adjusting the screw but nothing happens.
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Re: Need help with paintball tank!

Unread postAuthor: vng21092 » Thu Jan 15, 2015 4:45 pm

Maybe the stabilizer doesn't have a pin inside that opens the paintball tank? Does it look like this inside the stabilizer?

Image
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Re: Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Thu Jan 15, 2015 5:38 pm

Yeah, it looks exactly like that! I have no idea whats wrong with it. I been playing with it some more and still nothing.
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Re: Need help with paintball tank!

Unread postAuthor: vng21092 » Thu Jan 15, 2015 6:38 pm

When the tank is charged and connected, what happens when you pull the trigger?
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Re: Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Thu Jan 15, 2015 6:41 pm

Nothing. The gauge on my gun reads 0.
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Re: Need help with paintball tank!

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Re: Need help with paintball tank!

Unread postAuthor: vng21092 » Thu Jan 15, 2015 6:46 pm

That's weird... Mind taking some closeup pics of the individual parts?
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Re: Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Thu Jan 15, 2015 6:51 pm

Sure. It will be a while tho.
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Re: Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Thu Jan 15, 2015 7:17 pm

Let me know if you need to see more.
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HPA tank regulator.jpg
HPA tank regulator (2).jpg
palmers low pressure female stabilizer.jpg
palmers low pressure female stabilizer (2).jpg

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Re: Need help with paintball tank!

Unread postAuthor: vng21092 » Thu Jan 15, 2015 8:49 pm

Take a pic of whats going on here:
Image

And just try to make sure your insides look like this:
Image

The piece marked part 1, that piece should be blocked off from the whole system. Air should never be able to enter that part. If it's not blocked off, block it off. If air isn't entering your gun at all then it has to be something with your stabilizer, or something within that area I put a red circle around, or both =\.
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Re: Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Thu Jan 15, 2015 9:49 pm

part 1 really doesn't have anything to do with the guns performance, its just there to make the gun look more like a rifle. If you took it off the gun it will fire the same. Where that red circle is there is also a valve stem sticking out of the gun and that's how i was able to fill it up with a compressor. When i did that there was no problems and no leaks, the psi inside the gun was 90psi. There was air coming out of the palmers low pressure stabilizer through that screw you have to adjust tho.

The pictures you posted are correct tho. When i made this gun i was following this guys design http://www.instructables.com/id/How-to- ... ir-Cannon/
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Re: Need help with paintball tank!

Unread postAuthor: ninjamonkey127 » Fri Jan 16, 2015 2:46 pm

So after playing with it some more i finally got it to work! I just kept adjusting the screw into the stabilizer, i guess it was just too far out lol. Anyway the bottle ran out of air much faster then I thought it would, so what i need now is an HPA remote on/off coil to conserve air.

Thank you guys for trying to help!
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Re: Need help with paintball tank!

Unread postAuthor: Solar » Mon Feb 09, 2015 10:45 am

Submersible systems who make the Spare Air for Scuba diving use paintball compatible threads. They have 2.25" diameter tanks for $95 that are up to 27ci which will doible your air supply and still be a compact tank. Using a remote you could go up to a 112ci carbon fiber if you want.

Another way to conserve air is to slowly add something(washers perhaps) around the barrel to take up volume until you find the sweet spot for the launcher.
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Last edited by jrrdw on Tue Feb 10, 2015 11:44 am, edited 1 time in total.
Reason: Double post.
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