teflon liner replacement

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  • Sledhed420
    Junior Member
    • Sep 2012
    • 5

    #1

    teflon liner replacement

    i just purchased the flex shaft upgrade for miss geico, and the new teflon liner that comes with it will not fit. is there a trick to get this thing in there? the old one came out no problem, and i greased the new one well, even tried some 3n1 oil....
  • SirBudman32
    Senior Member
    • Aug 2011
    • 625

    #2
    Clean it and get all the oil and grease off it. Next thing is don't cut it to size yet instead carefully grab it at both ends with your hands and pull on it to stretch it out a little then slide it in. Let it set for a bit so it will go back to shape, make sure you can slide your flex in and trim to size. Had to do to my SV27 as the new Teflon is just a little bit bigger then the stock one. Hope this helps.
    Modified Jae21, Stock Jae21, Cheetah, Ul-1, Shock Wave 26 V2 (Rescue Boat).

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    • Sledhed420
      Junior Member
      • Sep 2012
      • 5

      #3
      Thanks for the info!

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      • highflyerbill
        Senior Member
        • Jul 2011
        • 152

        #4
        I don't use teflon liners they are nothing but a headach and are not needed . I've been boating since 1976 I tried one once saw no advantage and never used one again . Just grease the shaft good and run it .

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        • Sledhed420
          Junior Member
          • Sep 2012
          • 5

          #5
          Originally posted by highflyerbill
          I don't use teflon liners they are nothing but a headach and are not needed . I've been boating since 1976 I tried one once saw no advantage and never used one again . Just grease the shaft good and run it .
          So i wont have to change out the stuffing tube after the season? Because that looks like a big job, and being new to RC boating, i dont want to do that if a teflon liner will save it.

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          • SirBudman32
            Senior Member
            • Aug 2011
            • 625

            #6
            changing the stuffing tube is not as hard as it looks. But if you dont run a liner you will have to get a bigger flex as the gap in the tube will be to big with a stock flex and tube.
            Modified Jae21, Stock Jae21, Cheetah, Ul-1, Shock Wave 26 V2 (Rescue Boat).

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            • highflyerbill
              Senior Member
              • Jul 2011
              • 152

              #7
              If you want to stick with the .150 cable you have you will need a 7/32 brass tube . If the brass tube in the boat is 1/4 brass tube , which I suspect it is then all you will need is a .187 flex cable . If you ever intend to go with more motor then the .187 flex cable is the way to go .

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              • dasboata
                Fast Electric Addict!
                • Dec 2010
                • 3152

                #8
                OK here is the trick ,, You need to stretch the teflon out ! It is hard to hold. I use a vise grip on one side, and I hold that in my vise, on the other end I use channel locks or simalar, something with teeth, that will grip I stretch it out cut a clean side and get it in the brass tube ASAP before it starts to shrink back Chris

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