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Fx Crown

Discussion in 'Anything Airgun Related' started by Jeffsky, Dec 6, 2019.

  1. Jeffsky

    Jeffsky Engaging Member

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    Hi all, after mucking about with the Impact valve stop adjuster last week and having some good results, we decided to make one for the crown. Its just a crude valve stop adjuster to see if it is of any benefit - if it is we will make a more refined one.
    We will be testing it at the range tomorrow.
    The black one in the pic is the original non adjustable valve
    IMG_1782.JPG
     
  2. Tim_B

    Tim_B Pro Poster

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    First in line please when it hits production - worth at least breakfast at mo’s. :D
     
    Bagster66 and Jeffsky like this.
  3. Jeffsky

    Jeffsky Engaging Member

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    If Jake has any joy with it mate he will gladly make you one i am sure :up:
     
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  4. Tim_B

    Tim_B Pro Poster

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    Sounds good Geoff. Look forward to seeing the improvements on the impact. I think it’s an ultra and mk1 rapid day for me tomorrow :D
     
    Jeffsky likes this.
  5. Spray1Mark

    Spray1Mark Pro Poster

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    See you at Petes later today then!
     
  6. Jeffsky

    Jeffsky Engaging Member

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    Hi all Jake tested the valve stop adjuster on the Crown on Saturday and found you can fine tune with it and you get a short sharp crack when you fire it so i think it will improve the shot count, not that you need it with a Crown but i think it will only be a mod for a real tinkerer because when you adjust it you have to play with HS and the reg, unless you are confident at tuning you might make things worse and not better Jake is going to do a bit more with it just to see if it is worth playing with. Jake's Crown groups so well and is very consistent so i think the only improvement will be shot count and maybe the ability to tune for a different pellet all god fun :D
     
    Tim_B likes this.
  7. Tim_B

    Tim_B Pro Poster

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    I saw him hitting the 50 yard bell with his standers.....so hasn’t effected accuracy. :D

    he needs to start making videos and become Ernest Rowes European arm. :D
     
    evenbad and Jeffsky like this.
  8. Jeffsky

    Jeffsky Engaging Member

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    Yes he dose do that a lot i would like to able to say he takes after me but i'm lucky to hit the back wall standing :facepalm:

    I think we might be seeing Jake's version of a supper light 380mm barrel for the Crown soon, he was rather taken with your Crown shorty :D
     
    Tim_B likes this.
  9. Tim_B

    Tim_B Pro Poster

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    Yeah - it’s a good way to go with the crown for definite and he’ll
    Make a cracking job if it.

    with your impact and his crown you’ll be surrounding the consistency stakes completely......

    now just get rid of the reg creep :rofl:
     
  10. Spray1Mark

    Spray1Mark Pro Poster

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    They will soon be able to test the reg properly with the KELLER digital gauge!
     
  11. Jeffsky

    Jeffsky Engaging Member

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    Yes we will be able to test properly and hopefully get rid of the sub 12 first shot creep.

    Thanks Mark
     
    Figgy likes this.
  12. Tim_B

    Tim_B Pro Poster

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    It’s always in the car :D.
     
  13. 32:1

    32:1 Theoben user

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    After seeing Jakes work and his ingenuity I think he should focus on a budget offering making it all that it could be Jeff, that boy got major skills :thumb: and you know its harder to polish a turd, but when you do :nana:

    Mind you if he's finding all these things inside a £2k pcp he may never get a £500 one off the bench :D

    Have you done anything with that old bsa barrel yet ?


    Chris
     
    Tim_B likes this.
  14. Jeffsky

    Jeffsky Engaging Member

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    Thanks Chris yes he has been talking about something a bit on the budget end to muck about with.

    The barrel, not yet mate i think that might be my Xmas project to get me out of the house for a bit :D
     
  15. WessexWarrior

    WessexWarrior Engaging Member

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    any update on the crown valve?
     
    Jeffsky likes this.
  16. Jeffsky

    Jeffsky Engaging Member

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    We was mucking about with that last week, got a bit side tracked with the short barrel. On a standard sub 12 Crown you don't get much benefit form it the standard valve stop is about the right length, but for the short barrel or if you are doing reg changes it does come in handy we are going to do a bit more with it and make a nicer looking adjuster, but it is a tinkerers mod will post some pics when we make the MK2 :thumb:
     
    Tim_B likes this.
  17. Samobaggins

    Samobaggins Keyboard Hero

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    Fx toys are always welcome.
     
    Jeffsky likes this.
  18. WessexWarrior

    WessexWarrior Engaging Member

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    I am picking up a Crown VP <12 very soon so I will see what is comes with.

    is the the valve just behind the reg pressure gauge?

    Also what should I expect out of the box , 60 bar?
     
    Jeffsky likes this.
  19. Tim_B

    Tim_B Pro Poster

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    Yes, I would say around 60 bar out of the box - but a good idea to check with a gauge the actual pressure as the gauges on the rifle can be out sometimes. I have an older crown with the original reg and it runs at 115 bar - I get very good results here. I haven't got round to reducing to see where it starts to get worse....I'll take accurate at the moment :D
     
    Jeffsky likes this.
  20. WessexWarrior

    WessexWarrior Engaging Member

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    Cheers I have ordered a .22 so can you confirm the function of the Caliber Dial - ie so what will happen if I set to .30 or .177?
     
    Jeffsky likes this.

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