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| Leonard |
 Posted: 03/22/2008 15:27 PM Post subject: c02 regulator + 12g c02 canister |
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Corporal
Joined: 08 Feb 2008
Posts: 72
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Hey guys!
Im currently working on a semi-auto blowforward bolt airsoft weapon. Im trying to design a very small weapon, so i plan to use 12g c02 non-threaded canister as air source.
My question is, i'v searched a lot on this site and on google but i cant find a regulator that would be suited for this project. I plan to use a c02 inflater to shrader valve, but from the shrader valve to the sch40 pvc, i need a regulator. What should i use/where should i search?
Thanks! |
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| Lentamentalisk |
| Posted: 03/22/2008 16:15 PM Post subject: |
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Resident Tinkerer
Joined: 07 Aug 2007
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| get one of those tire inflater CO2 gadgets, and just use it for your air source, it regulates its self i think |
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| hubb017 |
| Posted: 03/22/2008 16:30 PM Post subject: |
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Sarcasmo
Joined: 28 May 2007
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Palmer's Pursuit Stabilizer. They are the best ones I've ever used for CO2, they are adjustable from 0 - 800 psi.
If interested, search on this product. You should be able to find it cheaper than directly from Palmer's. |
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| Leonard |
| Posted: 03/22/2008 17:38 PM Post subject: |
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| Lentamentalisk wrote: | | get one of those tire inflater CO2 gadgets, and just use it for your air source, it regulates its self i think |
I need clarifications on this. You're saying it regulates itself? I'm trying to set up a semi-auto mecanism, so i need the 12g CO2 to be attached on the chamber and refills it automaticly, hence the regulator. What do you think? |
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| hubb017 |
| Posted: 03/22/2008 18:52 PM Post subject: |
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Sarcasmo
Joined: 28 May 2007
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Those things release the CO2 when the trigger is pressed. If the trigger is held down, it will just dump 12g of CO2 (which is probably not good).
As mentioned above, check the Palmer's stabilizers. As far as connecting the 12g, any good paintball store will sell quick change adapters. |
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| Leonard |
| Posted: 03/22/2008 19:41 PM Post subject: |
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| hubb017 |
| Posted: 03/22/2008 20:04 PM Post subject: |
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Sarcasmo
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I do not believe that regulator will work for what you want. It is not CO2 compatible. You don't have to go with the Palmer's, it's just the one I've had the best luck with.
Search for a CO2 regulator. If it is not compatible, it could damage the regulator and be hazardous to your health. |
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| trae08 |
| Posted: 03/22/2008 20:06 PM Post subject: |
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sorry to tell you this but i am very familiar with co2 and any reg that regulates more the 200 psi is going to be "awfully" expensive.. for a co2 reg your looking at least 60+ dollars. any thing cheaper and i would question its quality...
i personally own a palmer reg i bought for 80 bucks or something and i love it. im going to buy a kit from there site so i can adjust it from 0-900 instead of 0-800.
if i were you i would buy a palmer reg and a remote line and run your gun from that and if you dont want to buy a 20 oz co2 tank you could use a 88 gram one.. but there not refillable. |
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| markfh11q |
| Posted: 03/22/2008 21:00 PM Post subject: |
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Magic Dust Man
Joined: 06 May 2006
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Well, here's an idea:
Most 20 buck regulators from Home Depot have an input pressure range from 0 to 300 PSIG.
So... make an expansion chamber that fills to 300 PSIG when connected to your CO2 source, and hook a regulator to this that brings it down to your operating pressure.
There's a chart somewhere on this site which lists pressures quoted for a 12g CO2 powerlet at V volume expansion. |
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| Leonard |
| Posted: 03/23/2008 14:08 PM Post subject: |
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Thank you for those tips guys!
| Quote: | | make an expansion chamber that fills to 300 PSIG |
The problem is that i am looking for a small weapon, so an additional chamber would not be the solutions. But for a larger weapon that sounds like a good idea.
I had an idea, tell me what you guys think about it. I could attach the CO2 inflator direcly into my chamber, attach the chamber to a quick exhaust valve piloted by a pop-off valve (something around a 100 psi). The pilot would open at around 100 psi, opening the QEV and emptying the chamber. All i would have to do is pressing the inflator handle to fill up the chamber until the pop-off release the pressure.
Would that work? |
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| SPG |
| Posted: 03/24/2008 10:38 AM Post subject: |
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Joined: 09 Feb 2006
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Almost all the decent CO2 tyre inflators have a built in regulator. Why? because who wants 800+ psi whooshing into their bicycle tyre.
Only thing is they also have very very small valves and a slow flow, but it may suit your needs. |
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| DYI |
| Posted: 03/24/2008 10:54 AM Post subject: |
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| Quote: | | any reg that regulates more the 200 psi is going to be "awfully" expensive.. for a co2 reg your looking at least 60+ dollars |
 That sounds like a damned cheap reg to me... My 0-500 psi output N2 was $250 new. If you want the benefits of bottled gas, you're going to have to be willing to put up with the cost (which is rather small in your case). |
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| Leonard |
| Posted: 03/24/2008 12:20 PM Post subject: |
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Corporal
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I guess you guys are right concerning the regulator... It's just so surprising to see paintball gun being sold 120 bucks if the regulator alone cost 80$. Anyways.
But what about my questiont here, i would be glad to get a quick answer :
"I had an idea, tell me what you guys think about it. I could attach the CO2 inflator direcly into my chamber, attach the chamber to a quick exhaust valve piloted by a pop-off valve (something around a 100 psi). The pilot would open at around 100 psi, opening the QEV and emptying the chamber. All i would have to do is pressing the inflator handle to fill up the chamber until the pop-off release the pressure. "
Seriously, would this kind of setup work? I'v seen a few similar design on this board, but would it work with CO2? |
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| SPG |
| Posted: 03/24/2008 12:50 PM Post subject: |
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| If you really did use a tyre inflator I can't see why this wouldn't work, like I said they've got tiny valves so don't inflate that quickly. I'm sure someone will say "No!! Danger, danger!!" but think about this, if it's safe enough to inflate a bit of rubber tube encased only in more rubber and some wire or cotton, then is it safe enough for my set up? |
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| Necrosis |
| Posted: 03/24/2008 14:45 PM Post subject: |
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2nd Lieutenant
Joined: 03 Jul 2007
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| SPG wrote: | | If you really did use a tyre inflator I can't see why this wouldn't work, like I said they've got tiny valves so don't inflate that quickly. I'm sure someone will say "No!! Danger, danger!!" but think about this, if it's safe enough to inflate a bit of rubber tube encased only in more rubber and some wire or cotton, then is it safe enough for my set up? |
The first thing I'd do is mod it so the flow is good.
But if there is a pop off valve.. it probably is safe to use anyway.. |
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