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Something to use as a air tank?

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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Something to use as a air tank?

Unread postAuthor: jmez1996 » Sat Aug 06, 2011 8:51 am

Anybody have a idea of something i could use as a miniture air tank to use as a source for the air on a semi-auto. something that i could mount into the stock on the gun etc.

i was thinking something like a miniture propane tank but you can only buy them full and they cost like $30.

i was going to use some tubing (11mm diameter) below the barrel but it doesnt hold enough air for more than like 2-3 acceptable shots and takes up a lot of space

suggestions?
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Unread postAuthor: Gun Freak » Sat Aug 06, 2011 9:25 am

Co2 cartridges?
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Re: Something to use as a air tank?

Unread postAuthor: Crna Legija » Sat Aug 06, 2011 9:28 am

jmez1996 wrote:Anybody have a idea of something i could use as a miniture air tank to use as a source for the air on a semi-auto. something that i could mount into the stock on the gun etc.

i was thinking something like a miniture propane tank but you can only buy them full and they cost like $30.

i was going to use some tubing (11mm diameter) below the barrel but it doesnt hold enough air for more than like 2-3 acceptable shots and takes up a lot of space

suggestions?



what pressure are you going to use it at? and what valve are you using?
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Unread postAuthor: warhead052 » Sat Aug 06, 2011 9:50 am

If its going on a qev, just use a close nipple, and a end cap. Its a tiny air chamber and fills easily.
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Unread postAuthor: jsefcik » Sat Aug 06, 2011 10:42 am

pvc pipe works really, well i know of many people that have used it :D :D :D :D :D :D :D :D :D :D :D :D :D :D
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Unread postAuthor: Goats spudz » Sat Aug 06, 2011 10:49 am

hambleton bard co2 cylinder for beer brewing im using one you have to drill out the valve or remove it with a wrench but its hard, MAKE SURE ITS EMPTY FIRST OR YOU WILL DIE!!!!! Image
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Re: Something to use as a air tank?

Unread postAuthor: saefroch » Sat Aug 06, 2011 2:04 pm

jmez1996 wrote:Anybody have a idea of something i could use as a miniture air tank to use as a source for the air on a semi-auto. something that i could mount into the stock on the gun etc.

i was thinking something like a miniture propane tank but you can only buy them full and they cost like $30.

Any old pipe fittings will work. What's the max operating pressure?
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Re: Something to use as a air tank?

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Unread postAuthor: mattyzip77 » Sat Aug 06, 2011 5:13 pm

jsefcik wrote:pvc pipe works really, well i know of many people that have used it :D :D :D :D :D :D :D :D :D :D :D :D :D :D


Yes it does, but did you see the part where he said that he wanted to keep it SMALL!!!
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Unread postAuthor: jsefcik » Sat Aug 06, 2011 6:48 pm

mattyzip77 wrote:
jsefcik wrote:pvc pipe works really, well i know of many people that have used it :D :D :D :D :D :D :D :D :D :D :D :D :D :D


Yes it does, but did you see the part where he said that he wanted to keep it SMALL!!!


1/2 inch pvc
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Unread postAuthor: warhead052 » Sat Aug 06, 2011 7:23 pm

jsefcik wrote:
mattyzip77 wrote:
jsefcik wrote:pvc pipe works really, well i know of many people that have used it :D :D :D :D :D :D :D :D :D :D :D :D :D :D


Yes it does, but did you see the part where he said that he wanted to keep it SMALL!!!


1/2 inch pvc


Pvc can't be used in everything. We don't even know the pressure this guy wants to use it at. Would you feel safe using 500 psi in 2" pvc?
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Unread postAuthor: jmez1996 » Sun Aug 07, 2011 1:45 am

yeh so im thinking max operating pressure around 250psi? its the main air source to fill a smaller tank so it has to hold enough air for multiple shots (preferably 5+ decent shots)
i was thinking something like this:
http://wolfstone.halloweenhost.com/Hall ... eTanks.jpg (the one in the middle)
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Unread postAuthor: Crna Legija » Sun Aug 07, 2011 2:22 am

jmez1996 wrote:yeh so im thinking max operating pressure around 250psi? its the main air source to fill a smaller tank so it has to hold enough air for multiple shots (preferably 5+ decent shots)
i was thinking something like this:
http://wolfstone.halloweenhost.com/Hall ... eTanks.jpg (the one in the middle)


more info needed, what valve and have cal?

so your looking for a main take to fill a smaller firing tank, how big is the firing tank? if you can id say up the pressure to 3-400psi and use a reg to drop it down.
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Unread postAuthor: jmez1996 » Sun Aug 07, 2011 3:02 am

uh im using a 1/4 qev and the firing tank will be some 11mm diameter tubing around 15cm long. but i can change this if its too big/small
the barrel is 6.5mm diameter

what kind of regulator to use coz im planning on keeping the gun looking as much as i can like a proper rifle

cheers
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Unread postAuthor: warhead052 » Sun Aug 07, 2011 8:35 am

I would simply use a small firing chamber, just a 1/4" close nipple with an end cap, and then a 3way valve.
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Unread postAuthor: jmez1996 » Sun Aug 07, 2011 9:32 am

would that hold enough air for a decent shot?
although it would mean i could use a smaller air source tank.
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