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Fusion 50 bad vibration grrrr

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  • #1

    Fusion 50 bad vibration grrrr

    i touched the rear rotor and striped the TT gears! i bought new front and rear gears for the touque tube rebuilt the heli and it has a vibration!
    So then i bought the TT Main gear fitted that didn't fix it!

    think chris or martin from the heli club will look at if for me but with the weather as it is
    Last edited by lee_m; 22-10-2012, 05:59 PM.


    Goblin 630

    Futaba 14SG


    FLOORING SUPPLIER AND FITTER
    http://www.facebook.com/MeredithFloorings
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  • #2
    Did you not replace the featuring shaft?

    Any crash that needs a new main shaft I would replace the feathering shaft as a matter of course.

    Also check the bearings in the blades grips and tail grips along with the main bearing blocks too.

    Not many places to check but things to check before buying anything. HTH
    + 7 x Eddies finest EGS's


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    • #3
      Take off main blades, unclip rudder push rod and spool the model up on the bench. Confirm if vibration still exists. Start by removing tail blades and then tail hub and a bit at a time until the vibration goes.

      Any crash that needs a new main shaft I would replace the feathering shaft as a matter of course.
      And the main shaft bearings and the blade grip bearings.
      Last edited by Andy from Sandy; 14-06-2012, 07:59 PM.
      Member of Mk Heli Club



      GRAMMAR: The difference between knowing your shit and knowing you're shit!

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      • #4
        Hope to get down on sunday if it's not ummm RAINING !!!
        I have most of the spares to swap or just take the tail off mine to try ?
        Oxy4+, tgy servos, hw60a, spirit fbl on 6s 🤓


        sigpic - Team pilot

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        • #5
          Feathering shaft is fine! i rolled it on a flat sheet of glass, the original main shaft is fine to but i bought a new one just incase
          Last edited by lee_m; 22-10-2012, 06:00 PM.


          Goblin 630

          Futaba 14SG


          FLOORING SUPPLIER AND FITTER
          http://www.facebook.com/MeredithFloorings

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          • #6
            Did you rebuild the tail and maybe got some loctite where it shouldn't be?
            Member of Mk Heli Club



            GRAMMAR: The difference between knowing your shit and knowing you're shit!

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            • #7
              Thanks martin might have to do that!
              I have removed the head and spooled up the heli in the lounge and all was good so i striped the head down ect balanced blades greased all bearing ect
              Last edited by lee_m; 22-10-2012, 06:01 PM.


              Goblin 630

              Futaba 14SG


              FLOORING SUPPLIER AND FITTER
              http://www.facebook.com/MeredithFloorings

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              • #8
                Motor???

                Had the motor apart
                + 7 x Eddies finest EGS's


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                • #9
                  You haven't pre-loaded the torque tube have you, IE forced it together without any play in it.
                  Humble owner of 7 Eddie Gold Stars and Ex - member of Mk Heli Club
                  sigpic

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                  • #10
                    Looking at your sig it looks to be flybarred? Is the flybar central with the paddles in correct alignment and balanced?
                    Member of Mk Heli Club



                    GRAMMAR: The difference between knowing your shit and knowing you're shit!

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                    • #11
                      maybe check the bearings on the Torque Tube?
                      Del
                      Outrage Velocity 50 N2 FBL, OS55 Powered -Built and almost ready to fly

                      Climb-Out

                      3D Scotland

                      Proud owner of 2 EGS

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                      • #12
                        Originally posted by waveydavey View Post
                        You haven't pre-loaded the torque tube have you, IE forced it together without any play in it.
                        It's all standard don't fully understand what you mean?


                        Goblin 630

                        Futaba 14SG


                        FLOORING SUPPLIER AND FITTER
                        http://www.facebook.com/MeredithFloorings

                        Comment

                        • #13
                          Bearings in torque tube good
                          All flybar paddles are set up as they should be


                          Goblin 630

                          Futaba 14SG


                          FLOORING SUPPLIER AND FITTER
                          http://www.facebook.com/MeredithFloorings

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                          • #14
                            If you force the tail box and front box together too much you can load the torque tube so that you are putting a small bend in it. It should have 1 to 2mm play in order to avoid this. In effect you have a lop sided loaded swinging in the tail boom like a skipping rope
                            Humble owner of 7 Eddie Gold Stars and Ex - member of Mk Heli Club
                            sigpic

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                            • #15
                              Lee is it a forward or side to side movement ? As i recall you hit the tail i think ?
                              Oxy4+, tgy servos, hw60a, spirit fbl on 6s 🤓


                              sigpic - Team pilot

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