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new torque tube bent?

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  • #1

    new torque tube bent?

    I was forced to replace boom with torque tube recently in my trex 450 pro and as a result bought some spare new ones. When installing in my heli I noticed that the torque tube is slightly bent - some 0.5mm to 1mm. Nothing that would prevent it from working, but it does cause some bad vibrations in tail. Compared with the other torque tube in the pack and it's the same! Are these supposed to be true, or "bent is the new straight"? I'm sure these are genuine Align parts, bought from well known and respected shops. How do you deal with this?
    Trex 450 DFC with AR7200BX and several small E-flite Blades

    proud wearer of one EGS sigpic
    Tags: None
  • #2
    FWIW, I ordered some torque tubes from Hobby King for comparison. Will post results here when they arrive
    Trex 450 DFC with AR7200BX and several small E-flite Blades

    proud wearer of one EGS sigpic

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    • #3
      don't think ive ever seen a truly straight align torque tube and ive seen a lot!. Not that they ever cause any concern
      Avant mostro 700E
      Avant mostro 700 Nitro



      member of :
      South cheshire heliaddicts

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      • #4
        Yep all mine for the 500 and never perfect. Kinda bugs me a bit as im sure doesn't help towards vibes.
        They should make them in carbon. Im sure a better chance of getting them straight than the putty soft alloy ones.



        Goblin 700, Vbar Silverline, Savox SC-1267MG / SB-2272MG.Scorpion opto 130. Align 750mx /450kv
        Trex 500 EFL Pro, DFC, Vbar 5.3 Full Pro.
        CopterX 250 SE FBL, With Align upgrades and 3GX
        JR XG 7
        Mini CP, Heading for retirement.

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        • #5
          Re: new torque tube bent?

          carbon fibre torque tube .... I guess you just found another upgrade for Quick UK or KDE Direct to push to market
          Trex 450 DFC with AR7200BX and several small E-flite Blades

          proud wearer of one EGS sigpic

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          • #6
            Actually don't think it would be that hard to make. Just get a carbon tube the same Diameter. cut the ends off the allow one and get a sleeve to join them on and glue together. Now there's another project.



            Goblin 700, Vbar Silverline, Savox SC-1267MG / SB-2272MG.Scorpion opto 130. Align 750mx /450kv
            Trex 500 EFL Pro, DFC, Vbar 5.3 Full Pro.
            CopterX 250 SE FBL, With Align upgrades and 3GX
            JR XG 7
            Mini CP, Heading for retirement.

            Comment

            • #7
              If your feeling particularly anal about your TT you could use one of these.

              AAE Arrow Straightener - from Merlin Archery Ltd

              On larger helis arrow shafts make very good replacements for TT shafts.
              Invertix 400
              Vortex 285
              TBS Discovery Endurance
              X4 II
              Schluter Champion Longranger
              G4 E720
              G4 E720 Big AIR edition
              Goblin Urukay super slow
              Goblin 700 KSE Slow
              Goblin 700 KSE Fast
              Srimok Faifa
              Spectra G
              Synergy 766
              I'm not controlling it, just preventing it from crashing
              http://mangled-rc.com/

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              • #8
                Re: new torque tube bent?

                "the tool will pay for itself after straightening a few dozen" torque tubes. No, thank you, hopefully I won't need this many, ever
                Trex 450 DFC with AR7200BX and several small E-flite Blades

                proud wearer of one EGS sigpic

                Comment

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