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Bad vibrations!!!!!

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  • #1

    Bad vibrations!!!!!

    For some time now I have had a vibration on one of my nitro 600's, I have fitted new main blades new tail blades checked the governor magnets are still in place and checked the paddles all A OK.

    Now this vibration would only show it's self at about 1/4 throttle at this point the heli would shudder but as I pushed the stick up past this it would settle down, the other time the vibration showed it self was in idle up the end of the tail fin would be a blur, now I don't know why I decided to do this but I fitted a new main shaft and now all is well no vibrations at any time.

    just thought I would tell you about this as it could help one of you out if you are having a problem like this.
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  • #2
    i have a similar problem with my 450 but i think its my woody blades,cant seem to track them right(think they are warped a little bit)new carbon blades should arrive 2moro so should see if that solves the problem.bet that was a pain while you tried figuring out what it was i know mine is.
    Cheers Aaron

    Trex 500GF Scorpion 1900kv,hs5245mg,kbdd tail blades,Fusuno canopy
    DX6i
    Really want a NITRO!!

    Comment

    • #3
      Originally posted by aaron-88 View Post
      i have a similar problem with my 450 but i think its my woody blades,cant seem to track them right(think they are warped a little bit)new carbon blades should arrive 2moro so should see if that solves the problem.bet that was a pain while you tried figuring out what it was i know mine is.
      Was the shaft you removed bent ? Or was it just the fact that you re-seated the bearings that solved the problem ?

      sigpic Trex 700 OS91,Vbar,S9254,DS610,NHP
      Trex600LE, OS50,Vbar,LTG6100,DS610X4,NHP
      Raptor 30V1 Maverick Head
      OctoCopter
      Futaba 14SG


      Guinness World Record Pilot 2011/12



      Comment

      • #4
        Was the shaft you removed bent ? Or was it just the fact that you re-seated the bearings that solved the problem ?

        Are you referring to when i asked about a slight lean in the head?if so it was the bottom bearing block was in the wrong way round had an offset of about 1-2mm switched it round and all is ok!!i have put a new cnc head on instead of the plastic 1 so a new shaft came with that now i think i have warped blades but should find out when my carbons arrive.
        Cheers Aaron

        Trex 500GF Scorpion 1900kv,hs5245mg,kbdd tail blades,Fusuno canopy
        DX6i
        Really want a NITRO!!

        Comment

        • #5
          Sorry Arron, I was supposed to be asking Wayne your post just sneaked in. My fault, I have quoted the wrong text. Glad you've got yours sorted.
          Last edited by Mslater; 04-01-2011, 10:27 PM.

          sigpic Trex 700 OS91,Vbar,S9254,DS610,NHP
          Trex600LE, OS50,Vbar,LTG6100,DS610X4,NHP
          Raptor 30V1 Maverick Head
          OctoCopter
          Futaba 14SG


          Guinness World Record Pilot 2011/12



          Comment

          • #6
            Mslater

            I have checked and the shaft is bend not a lot but it was enough to give me problems.

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