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How True Is It That...

Discussion in 'Anything Airgun Related' started by Baltic Plinker, Feb 11, 2019.

  1. Baltic Plinker

    Baltic Plinker Engaging Member

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    .....springers or gas-pistons are generally capable of more power than PCP’s?

    I ask as I’ve noticed that PCPs seem to often give lower FPS values than sprung guns.

    Is it actually the case?
     
  2. Claypole

    Claypole Busy Member

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    Whenever I read about FAC springers, they’re usually between 12 and 20ft lbs, whereas I often read of PCPs that produce a lot more than that. Some PCPs are used in other countries that are .50 cal and used for big game hunting.

    In the case of U.K. sub 12 ft lbs rifles, I think PCPs are often deliberately tuned a tiny bit on the lower side in order to make sure they stay legal with different pellets.
     
    foxtrott and Baltic Plinker like this.
  3. warrenater

    warrenater Donator

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    In a word no . have you seen some of the high power pcp rifles that are available ? I own a 30ft lb rapid and a 40 ft lb air ranger in .22 but if you look at some of the larger calibers available these are small fry in comparison. I must be honest though i don't know what the rammers are capable of :)
     
    foxtrott and Baltic Plinker like this.
  4. Artfull-Bodger

    Artfull-Bodger Busy Member

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    Not true at all, if you want high energy levels you have to use larger and larger volumes of high pressure air, to build a springer that produces over 30ftlbs would require a rather large, unwieldy weapon, no one would want to carry!
     
    Baltic Plinker likes this.
  5. Claypole

    Claypole Busy Member

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    The more power a springer/ram can produce, the more effort it will take to cock, and the recoil increases too. There comes a point where the power gains are simply impractical...
     
    Baltic Plinker likes this.
  6. cloverleaf

    cloverleaf Super Moderator Staff Member Mod/Admin

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    Totally false. For any given rifle size and mass an unrestricted PCP platform will be capable of much more muzzle energy; and more importantly will remain a lot more accurate / easier to shoot under these conditions, too.
     
    foxtrott and Baltic Plinker like this.
  7. Baltic Plinker

    Baltic Plinker Engaging Member

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    So then it’s just a case of factory settings rather than design potential?
     
  8. cloverleaf

    cloverleaf Super Moderator Staff Member Mod/Admin

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    No, it's a case of design potential. Again, for a given size the PCP platform is inherently capable of producing far more muzzle energy than a spring-powered equivalent.
     
  9. Patton

    Patton Engaging Member

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    I dont think theres any law of physics that makes one method any more or less inherently capable of achieving high outputs. Packaging it all into a gun might be a different matter once you get to extreme levels, and with the right materials PCP might edge it there, but it's an irrelevance anyway - once you get to those power levels it'd surely be easier to buy a regular pyrotechnic weapon.
     
  10. Sanguinius

    Sanguinius Engaging Member

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    I have a Hatsan Hercules 22 at 12ft.lb. It's available to buy in 45 cal at 292ft.lb. I can't imagine a springer reaching that sort of power.
     
    cloverleaf likes this.
  11. robs5230

    robs5230 Pro Poster

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    The FAC Theoben Eliminator was reputedly 32ftlbs. Most likely never really achieved that figure and a known pig to shoot. The FAC Webley Patriot was similar.
    Pcp's offer a much more user friendly platform for higher powers
     
    TORNADOS7 likes this.
  12. Kadushu

    Kadushu Member

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    Can't imagine a 120ftlbs springer would be much fun to cock or shoot, if you lived to tell the tale.
     
    cloverleaf and Sanguinius like this.
  13. Metanurb

    Metanurb Member

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    USS Vesuvius had 3x15 inch guns fired by compressed air, quite possibly the ultimate in pcp's.
     
  14. PaulB86

    PaulB86 Busy Member

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    I guess it depends on what spring you use in a springer. beyond a certain power level I can't imagine they would be much fun to shoot for long periods.
     
  15. TORNADOS7

    TORNADOS7 Pro Poster

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    It’s not true...
     
  16. TORNADOS7

    TORNADOS7 Pro Poster

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    The “Dual Magnum” was reputed to be 24 and 36 depending on how many times you cocked it, once for 24 and twice for 36...

    Apparently the “Eliminator” was a pig at 32 and shot much better at 24...
     
    Kadushu and robs5230 like this.

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