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AirForce PCP Hand Pump mod

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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Unread postAuthor: warhead052 » Thu May 26, 2011 12:14 pm

Yeah, pneumatic. Maybe combustion. It would be epic, but I don't have the money, or building space, let alone the tools. I don't think the gov would like it, but if I owned about 5 acres, I might be able to get away with some low shots at a target.
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Unread postAuthor: Lockednloaded » Thu May 26, 2011 1:52 pm

How long do you think it'd take to fill a 48ci to say ~2000psi?
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Unread postAuthor: Lockednloaded » Thu May 26, 2011 1:55 pm

How long do you think it'd take to fill a 48ci to say ~2000psi?
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Unread postAuthor: BigBang J » Thu May 26, 2011 2:23 pm

well..... I would say maybe 30-45 min just counting pumping time. Cause you would have to give it a break every 5min. To let the pump cool down.

I have a 48ci tank. I'll fill it to 2000 psi and let you know how long it takes:)
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Last edited by BigBang J on Fri May 27, 2011 11:49 am, edited 1 time in total.
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Unread postAuthor: wyz2285 » Thu May 26, 2011 4:00 pm

So how high a normal fridge compressor can go safely if I connect a nother compressor to it ?
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Unread postAuthor: BigBang J » Fri May 27, 2011 11:46 am

I would stay below 500psi. I had 2 of them that I ran up to 1000psi for a little while, but the compressor didn't last very long. I probably got 15-20 fills before the pump died.
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Unread postAuthor: wyz2285 » Fri May 27, 2011 2:59 pm

Below 500? I use my up to 1000...
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Unread postAuthor: BigBang J » Fri May 27, 2011 3:15 pm

For how long have you opperated it at 1000?

Because my 2 compressors did not last long. Maybe I got 2 pieces of crud, lol. But I'm just saying mine did not last.

What kind do you have? And how long have you used it.
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Unread postAuthor: wyz2285 » Sat May 28, 2011 4:55 am

I have been using it for about 3 months, I take it up to 1000 psi once a week, normally during weekends, because during the week I don't have time. I hope my compressor is durable, as I only have one :(
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Unread postAuthor: Crna Legija » Sun May 29, 2011 7:10 am

wyz2285 wrote:I have been using it for about 3 months, I take it up to 1000 psi once a week, normally during weekends, because during the week I don't have time. I hope my compressor is durable, as I only have one :(



iv only taking my to 900 a few time, but it hits 600 daily.
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Unread postAuthor: wyz2285 » Sun May 29, 2011 12:07 pm

What's the size of the chamber that you charge to 600 daily?
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Unread postAuthor: Lockednloaded » Sun May 29, 2011 12:37 pm

BigBang J wrote:well..... I would say maybe 30-45 min just counting pumping time. Cause you would have to give it a break every 5min. To let the pump cool down.

I have a 48ci tank. I'll fill it to 2000 psi and let you know how long it takes:)


Any recorded times on this?
I'd just like to know before I get one
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Unread postAuthor: Crna Legija » Mon May 30, 2011 12:21 am

wyz2285 wrote:What's the size of the chamber that you charge to 600 daily?



1.2l
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Unread postAuthor: BigBang J » Tue May 31, 2011 10:30 pm

Lockednloaded wrote:
BigBang J wrote:well..... I would say maybe 30-45 min just counting pumping time. Cause you would have to give it a break every 5min. To let the pump cool down.

I have a 48ci tank. I'll fill it to 2000 psi and let you know how long it takes:)


Any recorded times on this?
I'd just like to know before I get one


Yes I got some times today, here are the times:

270 pumps & 5 min will get 1000psi
420 pumps & 8min. 52 sec. will get 1500psi
570 pumps & 13min. will get 2000psi



Hey guys, I went ahead with the mod and attached a regulator and quick connect to hook up my air compressor to the input on the pump.

Check out these facts:
before the mod it took me 13 min. and 300 pumps to fill a 20oz. c02 tank to 1000psi.

After the mod it only took me 100 pumps and 3min. to fill the said tank to said pressure. I adjusted the reg to 25 psi input to the pump.

I also noticed that the pump head stays cooler.
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Unread postAuthor: wyz2285 » Wed Jun 01, 2011 9:24 am

Cool :shock: 2000 psi at 13 min?
I want one, can you sent me a link to where I can buy it?
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