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  • #1

    Trex 250 brown outs??

    Hi,
    My Trex 250 is FBL, courtesy of a microbeast and orange satellite. It flys superbly.

    I haven't had it built long and am having continuing problems with "brown outs".

    Occasionally it'll go a battery without doing it. Other times it does it on start up. It'll do it on a steady hover just as often as when pushing it hard.

    It's all Align electrics, servos etc. I've changed the ESC to a new Align one to no effect. I've changed the motor for an Align one today and still no different. It did have a bigger motor on it and I was sure this was the problem as you could sometimes see the sat light dimming when spooling up!

    I recall reading somewhere that the BEC in the Align ESC is not up to powering the BeastX.

    Anyone else had the problem? Any ideas? (other than keep fitting new bits until the problem goes away - am already well down that road!)
    __________________________________________
    Dave


    sigpic

    T-Rex 600E - BeastX -
    T-Rex 550E - BeastX
    T-Rex 450 PRO - BeastX -
    T-Rex 250 - BeastX -
    DX8
    Tags: None
  • #2
    Have you noticed whether it's a particular battery that causes it or randomly any battery? If it's one particular battery it may be that the a) battery is knackered or b) solder dry joint.

    Comment

    • #3
      Originally posted by Vikki View Post
      Have you noticed whether it's a particular battery that causes it or randomly any battery? If it's one particular battery it may be that the a) battery is knackered or b) solder dry joint.
      Hi Vikki. No its any one of the 5 batteries I've got. That said I was beginning to persuade myself that it was doing it more on some batteries than others. I do have some Turnigy Nanos arriving in the next day or two and I may try them before doing anything else.
      __________________________________________
      Dave


      sigpic

      T-Rex 600E - BeastX -
      T-Rex 550E - BeastX
      T-Rex 450 PRO - BeastX -
      T-Rex 250 - BeastX -
      DX8

      Comment

      • #4
        try earthing the boom like the logo boys do.
        Santander Factory Team

        Proud wearer of 5 x EGS

        Comment

        • #5
          Originally posted by davew View Post
          Hi,
          My Trex 250 is FBL, courtesy of a microbeast and orange satellite. It flys superbly.

          I haven't had it built long and am having continuing problems with "brown outs".

          Occasionally it'll go a battery without doing it. Other times it does it on start up. It'll do it on a steady hover just as often as when pushing it hard.

          It's all Align electrics, servos etc. I've changed the ESC to a new Align one to no effect. I've changed the motor for an Align one today and still no different. It did have a bigger motor on it and I was sure this was the problem as you could sometimes see the sat light dimming when spooling up!

          I recall reading somewhere that the BEC in the Align ESC is not up to powering the BeastX.

          Anyone else had the problem? Any ideas? (other than keep fitting new bits until the problem goes away - am already well down that road!)
          Hi Dave I noticed in your post you say Orange satellite is that one of the copy RX's? If so it might be worth trying a genuine unit(if you can borrow one) to see if it still does it.
          The Fleet

          SAB Goblin 500 sport. (in build)
          XK K110 on its way. Arrived and superb
          Blade MCPX (just about airworthy)
          Trex 450 Pro on Brain 2
          Raptor 30 V2. Converted to electric with Quick UK conversion
          Mini Titan super Cobra ah1
          Alien 550 Quad.3DR Pixhawk
          Futaba 7C 8FGS 14SG
          Specktrum DX6i
          Hovered by me,flown by my boys Nicholas and Edward.
          Cheers,
          Paul

          Comment

          • #6
            Originally posted by PKNEC View Post
            Hi Dave I noticed in your post you say Orange satellite is that one of the copy RX's? If so it might be worth trying a genuine unit(if you can borrow one) to see if it still does it.
            It is, and it's one of the things I was considering. We have our regular Tuesday "fly in" tomorrow night, I'll see if I can borrow one, thanks
            __________________________________________
            Dave


            sigpic

            T-Rex 600E - BeastX -
            T-Rex 550E - BeastX
            T-Rex 450 PRO - BeastX -
            T-Rex 250 - BeastX -
            DX8

            Comment

            • #7
              Originally posted by PKNEC View Post
              Hi Dave I noticed in your post you say Orange satellite is that one of the copy RX's? If so it might be worth trying a genuine unit(if you can borrow one) to see if it still does it.
              My feelings as well as ive had a few 250's but never brown outs so would be my 1st approach
              Today's outlook is fine for flying.
              • Spektrum DX18 gen2, Phoenix Sims, Align MR25XP.
              • Blade Nano, mCP X, 130x, Blade 180, Mini T 450se
              • Trex 250dfc Gpro, Trex 500EFL Gpro.
              • Trex 600E Gpro DFC, Trex 600NSP now Gpro, DFC, Redline 56
              • Flickr Through My Pictures.
              • A helicopter is an aircraft that is lifted and propelled by one or more horizontal rotors because Wikipedia said so.

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              • #8
                I had static issues with a carbon boom on an old 250.
                T- rex 600n V-bar
                Logo 550sx V-bar
                Logo 600sx V-bar
                Logo 600sx V-bar night flyer

                VBControl, but not the gay white version as i'm simply not gay enough to pull it off!

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                • #9
                  Originally posted by GIXERMAN View Post
                  try earthing the boom like the logo boys do.
                  Not sure how I would do this? Its a metal boom, not cf. Its a metal tail assembly (microheli). Where would I earth from and to?
                  __________________________________________
                  Dave


                  sigpic

                  T-Rex 600E - BeastX -
                  T-Rex 550E - BeastX
                  T-Rex 450 PRO - BeastX -
                  T-Rex 250 - BeastX -
                  DX8

                  Comment

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