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The I556PCPPG (Inline 5.56 (.22) Precharged Pnuematic Gun )

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The I556PCPPG (Inline 5.56 (.22) Precharged Pnuematic Gun )

Unread postAuthor: ghostman01 » Sat Jul 12, 2008 8:02 am

This is going to be my next gun -
its going to be .22 and run on compressed air at around 300 psi.
uses home made hammer valve made out of brass and aluminium.
I based it on the air force condor, talon what ever. because its simply and effective. This one might cost a bit so i might have to find a job to pay for it ! lol construction is going to be out of steel bits and pieces, hopefully no plastic , which is going to make it weigh a ton ! but hey its going to be strong !
any way heres a rough animation of what i intend the internals to look like.
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Unread postAuthor: CS » Sat Jul 12, 2008 9:39 am

Animation looks good! Always wondered how the AF Condor worked, but I guess I was never that interested enough to check it out.

I assume your going to machine it all up? I might also ask what your using for the seals on this gun. It would seem that in a hammer valve your seals get roughed around a bit.

Wish you luck in the project, moving this from a rough animation to functioning 3-dimensional hammer valve is going to be hard.

Almost forgot. You going to buy a barrel for this guy? I would just say it'd be dumb to spend this much time on a project like this and then slap an over sized smooth bore steel pipe on there.

[Edit:]
[What is the thing on the bolt that seems to float around at a different rate then the rest of the bolt?]
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Last edited by CS on Sat Jul 12, 2008 9:42 am, edited 1 time in total.
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Unread postAuthor: Tom » Sat Jul 12, 2008 9:42 am

I would change the trigger mechanism, that lever is going to break under the force. But for the erst I think it should work.
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Unread postAuthor: ghostman01 » Sat Jul 12, 2008 9:51 am

Its not exactly how the AF condor works but its very similar ! That thing that floats around is the bolt slide thingo, it pushes the hammer/bolt back into the locked position ready to fire. Barrel wise im trying to find aluminum tubing that fits .22 pellets . Getting a rifled one is to hard to find in Aussie and expensive . Other wise i most definitely would get one ! :D :?
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Unread postAuthor: POLAND_SPUD » Sat Jul 12, 2008 9:56 am

I agree with pimpmann to some extent.. instead of making a hammer valve buy a 3/8" qev + blowgun for piloting + hydaulic tubing for barrel

it would be much cheaper to make and it would work
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Last edited by POLAND_SPUD on Sat Jul 12, 2008 11:13 am, edited 1 time in total.
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Unread postAuthor: Antonio » Sat Jul 12, 2008 10:01 am

looks similar to what I am building now:
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Does ur bolt/hammer go forward due to the pressure of the air or is it manual?
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Unread postAuthor: ghostman01 » Sat Jul 12, 2008 10:03 am

na manual recock, except mine is for Hunting smal stuff hence the .22 caliber - harder hit than .177
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Unread postAuthor: Tom » Sat Jul 12, 2008 10:41 am

Hunting animals? I really don't get the fun of shooting animals :? . Shell i hunt you?
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Unread postAuthor: jackssmirkingrevenge » Sat Jul 12, 2008 11:04 am

I would agree that for a single shot launcher, I'd rather have a QEV than a hammer valve.
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Unread postAuthor: pocket » Sat Jul 12, 2008 11:07 am

yea you should heck you and me and everyone hunt resources like oil how would you like it if oil came up and shuved its..... up your.... then how would you feel ive posted this numerouse amounts of times before if your going to use me to the bestest extant than all the power to you cuz you should realy take the bone outta your .... about stuff thats made you survive
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Unread postAuthor: jackssmirkingrevenge » Sat Jul 12, 2008 12:09 pm

Let's not extend the hunting debate here too. Discussion of shooting living things with homemade launchers on this forum is strictly prohibited (ajdevi92 please take note), other than that everyone on the forum is entitled to his/her opinion on whether shooting animals for sport is ethical.
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Unread postAuthor: ghostman01 » Sat Jul 12, 2008 8:49 pm

Yeah sorry shouldn't of said that.... lol so any way, JSR will that .21 tubing fit the heads of .22 pellets so that i only have to make the skirt smaller ?
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Unread postAuthor: THUNDERLORD » Sat Jul 12, 2008 9:49 pm

The trigger maybe OK for wear, but the trigger pull will probably be very heavy.
One way to improve it is by adding another lever.
Rather than the trigger releasing the bolt, it would press another lever on one side. That would give you a lighter trigger pull.
Similar to the way a Sten SMG's simple trigger works. 8)
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