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staying inside the law

Discussion in 'Anything Airgun Related' started by keat63, Jun 24, 2012.

  1. keat63

    keat63 Member

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    if the weight and i guess quality of a pellet can affect the output of a rifle how on earth could you fall foul of the law.
    lets say you fine tune with a piston weight and nylon bushes etc, which could potentially push you oer 12 ftl/lbs.
    how would the authorities measure you.
    my Bsa supersport has official figures between 9 and 11.5 ft/lbs depending on which pellet is used.
    so if i fine tune, and use one pellet, i would be inside the law, but outside with another.
    like probably most airgun owners, i dont have a chrono.
     
  2. mattyts

    mattyts Donator

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    If the gun is over with whatever pellet the police test it with then its illegal except in some cases when the owner can prove they only use 1 type of pellet
     
  3. pilki

    pilki Guest

    It is not the pellet that is measured it is the power of the gun which must not be more than 12ft/lds using any pellet
     
  4. andy draper

    andy draper Posting Addict

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    the police will use pellets of differing weights to test your gun,with a pcp heavier pellets give a higher ft/lb,not a higher fps.so if you are at 11.8 f/p with a 16 gr pellet,when tested with a 21gr pellet you will be over the 12 f/p limit.You should chrono your gun with the heavier pellet to say 11.6 f/p then lighter ones will be ok.You should get a chrono £40 delivered is nothing compared to the fine,criminal record and possible imprisonment.It is your responsibility to have your gun below the legal limit of 12f/p,if the power loss bothers you use a heavier pellet,it's not worth the risk as ignorance is no excuse in the eyes of the law..not saying you are ignorant sorry if you thought that it's just a saying.
    andy.
     
  5. andy draper

    andy draper Posting Addict

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    yes i know the supersport is not a pcp,just giving the example for a pcp,with a springer it's the other way round i think lighter is more f/p i'm sure someone will confirm/deny this.It's late and i have a caffine rush :rolleyes:
    andy.
     
  6. ovy4213

    ovy4213 Pro Poster

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    I usually just tune my gun to 11.7 with bisley mags, then try a few more out in it and non go over 11.7.
    There probably as heavy a pellet you can use in a sub 12ftlb air rifle before the power actually starts to decrease.
     
  7. Samon

    Samon Donator

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    has anyone ever had their gun chronoed by the Police? or does anyone know of soemone who has??

    I do not think I have ever ever heard of it being done..
     
  8. SteveB

    SteveB Busy Member

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    When Simon the Air Gun Doctor sets rifles, he uses the SAME chrono the Police use. He will set a rifle with Bisley Mags (in a PCP) to be no more than 11.8ft/lbs.
    He will use AA fields, to set Springers to around 11.4ft/lbs. I know, I sit on the computer when he is doing it.
    He will also supply you with a printed read out of the results if you ask.
    0.1 over the 12 is illegal!
     
  9. jetski

    jetski Keyboard Hero

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    The power law is a complete mess. As it is written and if taken literally (as all good laws should be) every airgunner in the country is a criminal. In reality there will be some common sense adhered to when the authorities test your gun (or at least we would like to think so) there is no standard test and they can test your gun to whatever specifics they believe is personally correct.

    To make things worse they don't have to explain exactly how they come to their conclusions so in court you couldn't question their methods. A total mess of a law that no one really understands fully as the details aren't covered

    But if you used a reasonably heavy, medium and light pellets and tried them all and they all stayed under 11.5fpe you can safely say your safe

    Please tell me what chrono the police use.... It is my understanding that there is no standard test or equipment and different parts of the country will have their own system
     
  10. SteveB

    SteveB Busy Member

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    He uses the same one Staffordshire Police use. It is a SKAN and to buy it new is around £1000 - £1500. I don't know the model number etc...
     
  11. keat63

    keat63 Member

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    I'm currently servicing mine, (its celebrating it's 20th birthday).
    I'm replacing the spring back to stock with no other mods, so should be within the law.
     
  12. secretagentmole

    secretagentmole Low down, dirty and quiet...

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    This has gone on and on, there is no standard test procedure, indeed at least one of the more pro active testing laboratories have been proven to have raised the power limit on guns by tampering!
     
  13. Ballisticboy

    Ballisticboy Busy Member

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    This has been discussed on a couple of other forums recently (though one has now censored the thread and removed it, guess which one). It is not just what a rifle produces now, it is what it is capable of producing as well. As above, there are reports that some labs have been found to tamper with rifles to increase the power to an illegal level and thus gain a conviction. Remember the labs are paid by the police to produce evidence for a prosecution, not to produce an independent assessment.
     
  14. Uriel

    Uriel Engaging Member

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    And further to this, the police's job is to put people in jail.
     
  15. Rodders66

    Rodders66 Engaging Member

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    That's the problem in this country they use what ever pellets they they feel like where as some countries use a certain weigjt pellet.
     
  16. Darren Petts

    Darren Petts Temporarily Alive

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    There are several well documented cases of people being successfully prosecuted for over power guns. In most, though certainly not all, cases some other crime was committed to bring the owner to light. There have been a few cases recently of guns seized on rather spurious accusations then adjusted to be just over. There is well documented evidence of police labs ripping guns apart and modifying them to obtain an over power reading. In one case the modifications involved removing parts from the gun that would render it useless for the purpose of hitting anything but did make it produce 30 ft/lb (in a massively inconsistent way).

    There can be no more pressing matter for airgun users than a standardised test though I'll exempt Scottish airgunners from that statement for obvious reasons. They have a bigger fish to fry.
     
    Last edited: Jun 25, 2012
  17. pilki

    pilki Guest

    2xweight=2xenergy 2xspeed= 4xenergy
     
  18. jetski

    jetski Keyboard Hero

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    What?
     
  19. yojimbo

    yojimbo Busy Member

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    I guess it means doubling the weight, doubles the power whereas doubling the speed, quadruples the power, whether its true and what the relevance is i don't know,

    So basically if the police have a hard on for a conviction, your gun becomes magically over powered.... So it seems you dont really need to worry unless you have actually been quite naughty anyway.
     
  20. pilki

    pilki Guest

    if you double the weight of a pellet and the speed is the same the energy doubles
    if you double the speed of a pellet the energy is 4 times higher
     

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