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Muffler Replacement Help

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  • #1

    Muffler Replacement Help

    Hi All,

    I have noticed a hole in my muffler, and not too keen on it, from what others have told me it is a YUSA muffler but i would like to get a replacement, as it has crappy black stuff on it,

    but im not sure which one is the correct one.

    i am thinking of getting this from Midlands

    4475110 : Yusa 30 Heli Sport Muffler (H3721)
    Suitable Engine - O.S 32SX-37SZ. Suitable Type - Raptor/Caliber/Sceadu

    it looks near to exactly the same.. tho the one i have the front is more rounded and those circular markings are closer, But it says its suitable for O.S 32 to 37, but would it work fine for a .39 Irvine? and would i have to re-tune it? if so ile get the club to do it i have no idea how to either

    Regards
    Callum,

    Here is the hole on my current one





    Pic that shows most of the muffler

    Last edited by callum; 16-11-2008, 05:39 PM.
    "Anger and Frustration bring the best out of my flying ability.. because generally I don't give a shit either if the machine hit's the deck or stay's in the air - both will accomplish satisfaction, but most of all it exerts the feeling of flying conservatively. - Callum"

     www.callumheli.co.uk

    Tags: None
  • #2
    I'd say that where you should have a pressure nipple to pressurise your fuel tank
    Phil
    "Be who you are and say what you think...
    Because those that matter...don't mind...
    And those that mind... don't matter"

    Blade 130x, Park Zone Mini Sukhoi, EDF F16 thingy, some Gliders and some broken stuff

    Comment

    • #3
      presure nipple is ontop Phil (second picture)

      just block it off callum with a screw. if the threads are gone get some jb weld from your local diy store and put this on the screw before fitting it
      Ron

      hobby-hangar.co.uk
      SWRCH-GO big or Go home!
      http://www.ultimatebuildandfly.co.uk/

      Comment

      • #4
        Its a universal pipe for left or right hand mounting. It's probably spit the screw out that blocks up the hole. Fit a new one after soaking it in carb cleaner to get rid of the fuel residue. If the threads are gone tap it out a size up and fit a bigger screw/plug. Don't buy a new one unless you need to.
        Humble owner of 7 Eddie Gold Stars and Ex - member of Mk Heli Club
        sigpic

        Comment

        • #5
          Yeah on a second look I'm stupid

          Just use a bit of epoxy and a slightly oversize screw
          Phil
          "Be who you are and say what you think...
          Because those that matter...don't mind...
          And those that mind... don't matter"

          Blade 130x, Park Zone Mini Sukhoi, EDF F16 thingy, some Gliders and some broken stuff

          Comment

          • #6
            If you can't fix it, I would recommend a Zimmerman tuned pipe. I bought one for my raptor 30 and it looks good being stainless, sounds quieter, gives better performance and only cost £30 second hand!

            Also its suitable for any .30-.40 engine!
            regards

            Pip

            Hey, where d'you learn to fly? I saw you shoot your rocket
            up.............. into the sky.

            Hey, I heard you set the pace, I never thought I'd see you back................ in this old place!

            - Roisin Murphy, Tell Everybody.

            Comment

            • #7
              Thanks Guys,

              Ile see if i can get a screw in there, if not it only costs 15 quid to get a new one.

              anyone have a clue waht teh black stuff is?
              Last edited by callum; 16-11-2008, 10:03 PM.
              "Anger and Frustration bring the best out of my flying ability.. because generally I don't give a shit either if the machine hit's the deck or stay's in the air - both will accomplish satisfaction, but most of all it exerts the feeling of flying conservatively. - Callum"

               www.callumheli.co.uk

              Comment

              • #8
                burnt oil callum its a pain but solvol autosol gets it off
                Ron

                hobby-hangar.co.uk
                SWRCH-GO big or Go home!
                http://www.ultimatebuildandfly.co.uk/

                Comment

                • #9
                  Ah Right
                  "Anger and Frustration bring the best out of my flying ability.. because generally I don't give a shit either if the machine hit's the deck or stay's in the air - both will accomplish satisfaction, but most of all it exerts the feeling of flying conservatively. - Callum"

                   www.callumheli.co.uk

                  Comment

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