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Just what has been done?

Discussion in 'Anything Airgun Related' started by Gunnie, May 20, 2015.

  1. Gunnie

    Gunnie Engaging Member

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    As the recent owner of a TX200 I'm regularly hearing how good they are out of the box. "They are already tuned" I hear, if so whats been done or is different to them?
    What else can be done, my 1st one was exchanged because it felt rough when reaching it's end of the cocking stroke. The replacement although a lot,lot better isn't as smooth as my HW97K. Over to you guys to shed some light about it's innards, would it need stripping & degreasing for instance
    Cheers
     
  2. Nickg

    Nickg Busy Member

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    Its been said that the tx is "like a tuned gun out of the box", This is because when it was introduced it had a lot of features that tuned guns of the time had , ie piston bearings, a decent trigger, and a good stroke to bore ratio, in a nut shell it was as good as a tuned 77 of the time, however the stroke was lengthened when the mk3 came out so the gun could easily be made more powerfull for the American Market, this ruined the shot cycle, so now we have a gun that is far more difficult to shoot accurately than a standard hw97,
    The TX can be the best of the bunch, with some modifications, even the simple modification of a stroke change transforms the gun, go further and when done correctly they become sublime and will keep up with , and surpass the PCP guns.
     
  3. chevin

    chevin Keyboard Hero

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    All I can say is, when I had my new TX last year it was superb straight out of the box, silky smooth and very accurate, biggest mistake was part exchanging it for something else, although I did strip it to give it a polish and lube, it was a joy to shoot.
     
  4. Nickg

    Nickg Busy Member

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    Its best to shoot one side by side with a sorted one,
     
  5. 177

    177 Donator

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    I've owned 4

    2 were peaches

    2 were dogs

    Judging by what I've seen Air Arms, like most other manufacturers, do a randomly sh*te job of lubing their spring rifles.

    My first one left metal shavings every time I cocked it :rolleyes:

    The second and third were lovely.

    Fourth was 'orrible, so I fettled it and sent it on its way.

    I'd like an un-messed with Mk1 if I can find one.

    Some day it might rain beer too...
     
  6. Gunnie

    Gunnie Engaging Member

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    Ok, could you define what work would be required to reach a sorted level please
     
  7. Gunnie

    Gunnie Engaging Member

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    177,
    are they hard to fettle as you put it?
     
    Last edited: May 20, 2015
  8. Tinbum

    Tinbum Delusions of adequacy

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    No, the weight is a big advantage from the recoil point of view. I reduced the piston weight on mine, along with fitted guides and a shorter stroke. It's great now, much less recoil and small groups are possible right out to 55yards off the bench. Even with me shooting it!
     
  9. Nickg

    Nickg Busy Member

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    It depends on how far you want to go, Short stroke with a 18mm head, with either o ring or hw seal is good, or longer latch rod to mk 2 spec with mk 2 spring, or the whole hog with an ally lightweight short stroked o ring piston, complete with latch rod & piston weight, with matched spring and guide.
    Or you can lighten the standard piston, There is a lot you can do, and a lot of development is going on at the moment also, with smaller comp tube diameters.
     
  10. bigtoe

    bigtoe Donator

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    The easy route is remove the latch rod, machine the dovetail off, fit an alu nose to take a hw seal, fit a well engineered spring and guide kit and off you go.

    next move is drop the piston weight, shorten the transfer port...shoots quicker but just as soft

    My next move is 22mm piston, 83mm stroke. if it shoots anything like my Diana 440TH which is now at 22mm I will be pleased.
     
  11. Gunnie

    Gunnie Engaging Member

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    This sounds quite comprehensive, but beyond my skills as I have no machining facilities at my disposal. Can you recommend anyone who could carry out this type of work & costs involved maybe?
     
  12. richardscar

    richardscar Donator

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    Send comp tube , and piston to Wonky Donky , He will work wonders with it I am sure . pm him on here . hth, atb, Rich .
     
  13. secretagentmole

    secretagentmole Low down, dirty and quiet...

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    You know the answer, sell it, but a nice HW77 25mm actioned rifle, then polish and tune that, fit a drop in kit by the manufacturer of your choice (Vortek, Tinbum, Wonky Donky, Welsh Willy et al) and enjoy a nice shooting rifle. If you need to do that much to the TX to get it to shoot like an HW then it is not worth it.
     
  14. richardscar

    richardscar Donator

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    To be fair though, the tx200 in my eyes, is a beauty . A keeper ......................................................................................................maybe ? :)
     
  15. Gunnie

    Gunnie Engaging Member

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    Sounds like iv'e bought a bit of an "Apple gun" all hype but just has a cult following.......
     
  16. hairyarms

    hairyarms .

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    I have got a .177 Tx200, its got a 13mm extension in it and a tinbum top hat . they are easy to fit and they make a real difference to how the gun shoots.

    I have got it running at about 10.5 Fpe now with Superdomes, I think anymore and it gets a bit harsh to shoot.This is the only air rifle I have kept over the years and I will never sell it.
     
  17. richardscar

    richardscar Donator

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    Hasn't every gun got a cult following ? Personally I just like mine, a lot, even though I will admit I am struggling to get consistent accuracy, but I have just bought it (mk3) and am going to try some different pellets when I get the chance .
    I would be willing to spend the money to get it re engineered but I just haven't got the money at the moment .
     

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