Air-Rifle Blueprints - Page 5
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  1. #81
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    i still say buy a gun and modify it...heres a Crosman G1 xtreme i did. lots of modifications.
    easy to work on.
    cronies @ 987 FPS.




  2. #82
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    I agree, at least to start. You can get any number of inexpensive used airguns and do all sort of aesthetic and performance enhancing modifications to them. You'll learn a ton about the designs, etc. Airguns aren't as simple as they seem, in many ways they are more complex than firearms.

    I posted about my blog before, but I'll mention it again, where I've been posting all of my latest airgun projects:
    http://anotherairgunblog.blogspot.com/

    The Crosman 1377 Pistol is a really great place to start.

    Nick

    Quote Originally Posted by fix View Post
    i still say buy a gun and modify it...heres a Crosman G1 xtreme i did. lots of modifications.
    easy to work on.
    cronies @ 987 FPS.

  3. #83
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    Default hope i'm not in the wrong ballpark; problem daisy powerline 1000 sb

    Hello,
    I'm stateing things in reverse.
    thanks for the skematic. i've got everyting back together but one item.
    I can't make out the placement for the spring in the trigger assembly. Not the
    regular round spring
    that you don't realy see behind the trigger. But the longer spring with the
    straights and other bends. It's the only thing holding me back!:
    bawling:



    i came across an article on the daisy powerline 1000 sb. i liked it
    and i also like the rifle but i've got a few problems with it. i have
    already talk to the daisy support people. they were nice enough wanting
    me to ship it back and they would fix it. The problem i'm having is that
    the spring plunger stop i guess you call it is made from plastic. The
    piece right by the safety trigger with the 5/16 dowel pin going through
    it. Well it cracked up good! I've only fired it maybe 400 times and the
    last 20 or 30 i was wondering whats going on. The screw that holds the
    scope stop broke looking closer the plastic end peice was cracked. I
    started taking it apart and found the stipper bolt that the barrel
    swings on was cracked also. I also have bent .195 dia.x.765 long dowel
    pin in the trigger assemble. Because I was impressed by the rifle i
    wanted to make the plastic end piece out of aluminum, or cold rolled
    steel,thats no problem. But where could i find (stripper) bolt thats
    holds the rifle to the air pistion barrle part? Could i get a parts
    assemble on it somewhere? I really enjoyed at first! Any help would be
    greatly appreciated.

  4. #84
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    If you have any machinery, you should be able to make the bolt.

  5. #85
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    Hi all

    i am new to this forum, and i must say its very informative. I noticed a lot of you are interested in making PCP air rifles, A mate of mine makes some nice PCP rifles, he makes every part of the rifles, does all the bluing, case hardening, stocks, he even made the stock making machine, if anyones interested his web address is www.isp-airrifles.com . its amazing what can be made in garden sheds!

    cheers all

  6. #86
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    Default pcp air

    hi Peter

    can you e-mail me when you have time concerning PCP air rifles

    Thanks, Mark

    my email below

    [email protected]

  7. #87
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    Default PCP Drawings

    Resurrecting an old thread. Does anyone have any drawings for a PCP airgun mechanism. I need to build one to fire BB's at 575-610 fps for calibrating gel blocks for our ballistic test lab. We were using an old modified Crossman air rifle, but it has final broken beyond repair. If I fabricate something it only needs to shoot 3 feet, so accuracy is not important. Consistent velocity is important. We use a Nitrogen tank to power our old gun. As this will be used in a fixed location in a mount, size and weight are not important. I have the old barrel to reuse. The bureaucracy makes it easier to fabricate something, than to try to purchase another airgun to modify.

  8. #88
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    Compressed nitrogen or liquid nitrogen? What PSI? How regulated? Muzzle loader?

  9. #89
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    Compressed nitrogen, Currently running at 1400psi with a modified Crossman CO2 air rifle. Breechloader. We have worn out this gun and want to build a repairable fixed mount gun.

  10. #90
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    Crosman Custom Shop (Search it) Will sell part by part for every pistol .

    I've got a 2300 here on the desk .;-) Might get you around the admin resistance regarding purchase of an entire device.

    Also Archerairguns.com for parts.

    Sorry, I've no references to detail drawings. But when parts are so inexpensive, it's hard to make drawings. ;-)

  11. #91
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    ... to fire BB's at 575-610 fps ...

    Any velocity in that range is OK or specific velocities in that range?

  12. #92
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    Any velocity in that range. We can change the pressure regulator to adjust for daily conditions.

  13. #93
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    Wait wait wait, hold the phone. You're running 1,400 psi nitrogen and only getting 600 FPS with a BB? Are the BBs made of depleted uranium?

  14. #94
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    Maybe they aren't BB sized BBs? Maybe something more fun shooting golf ball sized ball bearings.

  15. #95
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    Quote Originally Posted by eKretz View Post
    Wait wait wait, hold the phone. You're running 1,400 psi nitrogen and only getting 600 FPS with a BB? Are the BBs made of depleted uranium?

    re-read post 92. There is a regulator in the system.

    MilGunsmith isn't a new guy.... ;-)

  16. #96
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    The old gun was a converted Crossman CO2 BB gun, now long discontinued, that had a lot of plastic parts in it. There was lots of wear and leakage. Looking to build something that will be more reliable and repairable. Portability is not an issue.

  17. #97
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    These guys are a good resource for airgun stuff:

    https://airgunwarriors.com

  18. #98
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    Have you checked out RifleConnection? They may have the plans.

  19. #99
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    Quote Originally Posted by CNCGuy556 View Post
    Have you checked out Don't quote spam? They may have the plans.
    Not a good way to get exposure by spamming your website everywhere.

  20. #100
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    Quote Originally Posted by CalG View Post
    re-read post 92. There is a regulator in the system.

    MilGunsmith isn't a new guy.... ;-)
    Yes, I saw that, but for all l know from that the regulated pressure may have been set to 1,400 psi... Regardless, I was just kidding. Obviously at 1,400 a BB would be hauling some serious ass. Unless maybe it was made of depleted uranium...

    In all seriousness though, it would probably be pretty simple to make a solenoid fired bench airgun. Similar to a striker fired gun but with a hammer/solenoid fired by a pulse from a capacitor. You could alter the velocity by adjusting voltage to the cap or by changing the pressure at the reg.


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