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PTFE plumbers tape

Discussion in 'Anything Airgun Related' started by alb38, May 21, 2014.

  1. alb38

    alb38 Engaging Member

    Messages:
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    Location:
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    I recently put a Tinbum kit in my new HW98, which had a bit of a twang out the box.
    Stripped, de-greased, slight re-lube, then slid the spring guide and top hat into the spring.
    Back together and it was hell of a lot quieter, but still a slightly audible 'boing'
    Stripped again and I noticed the guide and top hat had a very slightly smaller diameter
    than the i.d. of the spring. Anyway, I thought I would try a bit of PTFE white plumbers
    tape round the guides, then carefully twist them into the spring without the tape crimping.
    It certainly seems to have helped! no twang whatsoever. A gentle thud is all. 11.1 to 11.5 with
    different pellets. I don't know if the change is solely down to the tape but it's certainly tightened the guides
    in the spring. Surely it's been tried before? I'll see how it holds up.

    I'd welcome any views, opinions. Thank for that folks
     
  2. JD

    JD Donator

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    Not sure yours is a lasting idea ?

    With slightly loose guide/s, try spraying them with graphite, to build up the area, its not a problem if

    it mixes with the grease and is self lubing. Just don't go telling everyone. ; )
     
    Last edited: May 22, 2014
  3. whitevanman574

    whitevanman574 bell target champion

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    I think after about 40 odd shots the ptfe will be all over inside it though , I use ptfe every day ....:)
     
  4. oliver13

    oliver13 Donator

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    What about using heat shrink tubing instead of PTFE tape? It might end up too thick, but if it works it should last longer.
     
  5. alb38

    alb38 Engaging Member

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    That sounds a much better idea JD, I remember now my bruv in law using graphite while repairing my carbon pole after an idiot rode over it on the canal bank. I'm sure the ptfe won't last but it sort of proves tighter fitting guides/top hats makes it smoother eh? Thanks guys. Great forum this. This old farts still learning. Secret s safe with me JD, wont tell a soul
     
  6. oliver13

    oliver13 Donator

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    Springs expand when compressed so if you can get the guide in there in the first place it will actually be quite loose when you cock the gun.
     
  7. loki_79

    loki_79 Donator

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    Location:
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    I've tried heatshrink at the base of a factory spring guide with limited success, it was too think but I managed to force it on. It did help a bit, but got fairly well chewed and creased up over time. The best solution is to make a top hat and spring guide to fit the spring in the first place.
     
  8. oliver13

    oliver13 Donator

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    What about contacting Tinbum about it? he seems like a decent chap...
     

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