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Thread: Tx200 .22 tune

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  1. #1
    Join Date
    Jan 2014
    Location
    St. Albans
    Posts
    552
    Depends on your budget really. The TBT bits are great value and if you're trying to keep costs down then it's going to be the better option for you. If you want to go all the way then a 22mm powerplant from Tony Leach will be a good move. Bear in mind though that it will still recoil to some extent regardless of how much you spend on it.

  2. #2
    Join Date
    Sep 2012
    Location
    Paisley, Renfrewshire, Scotland.
    Posts
    5,039
    A seemingly forgotten modification is the long latch rod.
    Shaun Hill (Spartan on here) can make these if you send him your old one to duplicate. They are silver steel with a hardened mushroom.
    I had a .22 txhc and I put on a +14mm latch rod. It made it lovely to shoot. Slightly more work than a piston nose extension, but rather than just reducing the swept volume, it also makes a little more room for spring, so you will lose some preload with the original spring. You may or may not have to make spring adjustments.
    I would definitely install a delrin guide and top hat no matter what modifications you make, and throw away the steel top hat.
    Basically, it's a can of worms, great fun worms!😂😂
    Donald

  3. #3
    Join Date
    Apr 2002
    Location
    Near Wimbledon, SW London, or Lusaka, Zambia
    Posts
    26,475
    Quote Originally Posted by thisisdonald View Post
    A seemingly forgotten modification is the long latch rod.
    Shaun Hill (Spartan on here) can make these if you send him your old one to duplicate. They are silver steel with a hardened mushroom.
    He doesn;t even need the old rod to copy, unless it;s some VCR thing.

    You are quite right, the increase in spring room from the longer rod makes a big difference, although I've always coupled this with replacing the spring with one similar to mk2 spec, and throwing away the heavy top hat.
    Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.

  4. #4
    Join Date
    Sep 2012
    Location
    Paisley, Renfrewshire, Scotland.
    Posts
    5,039
    Quote Originally Posted by Shed tuner View Post
    He doesn;t even need the old rod to copy, unless it;s some VCR thing.

    You are quite right, the increase in spring room from the longer rod makes a big difference, although I've always coupled this with replacing the spring with one similar to mk2 spec, and throwing away the heavy top hat.
    I must have been his first then 😁.. I had a wee chat on the phone regarding my intentions and he asked me to send him the old one so he could duplicate the mushroom. That must have been about 4 or 5 years ago definitely before I had my boxford or I would have given it a go.
    Donald

  5. #5
    Join Date
    Aug 2001
    Location
    Walsall, Midlands Uk
    Posts
    11,164
    He doesn’t need the rod, the dimensions are all in his head...

    Or scrawled on the workshop wall somewhere
    Put on heading 270, assume attack formation

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