Chattering servos

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  • secrtwpn
    Lieutenant Commander
    • Feb 2012
    • 182

    Chattering servos

    The last few times I've fired up my Subdriver, the servos for the rudder and aft planes chatter. All batteries are freshly charged. What causes this and how can I fix it?

    Thx
    Farlan
  • He Who Shall Not Be Named
    Moderator
    • Aug 2008
    • 12256

    #2
    Originally posted by secrtwpn
    The last few times I've fired up my Subdriver, the servos for the rudder and aft planes chatter. All batteries are freshly charged. What causes this and how can I fix it?

    Thx
    Farlan
    Are you using a dedicated BEC?

    David
    Who is John Galt?

    Comment

    • secrtwpn
      Lieutenant Commander
      • Feb 2012
      • 182

      #3
      Yes............

      Comment

      • secrtwpn
        Lieutenant Commander
        • Feb 2012
        • 182

        #4
        Should I move it further back in the cylinder?

        Comment

        • RCSubGuy
          Welcome to my underwater realm!
          • Aug 2009
          • 1768

          #5
          I get that often in my shop during bench testing. In my case (not necessarily yours), it's because the cylinder doesn't like being too close to the transmitter. Once I move a few feet away, the jittering stops, and it also stops when I get the model outside and into the water.

          Have you tried moving away from the cylinder with the radio? Does this happen outside when you're a ways away?


          Bob

          Comment

          • secrtwpn
            Lieutenant Commander
            • Feb 2012
            • 182

            #6
            I will look into that! Thanks!

            Comment

            • secrtwpn
              Lieutenant Commander
              • Feb 2012
              • 182

              #7
              The saga continues.

              Since I am a stubborn person (my wife would agree) I decided to try my old radio (HiTec Laser 4) and the SL8 RX. It now works without any chattering. I have discovered that RC electronics operate with F.M. F.M.? In the early 1980’s as a young police officer, we started using computers for report writing. When I asked the LT how the reports are uploaded to our database, he said it was F.M. When I inquired what that meant, he said “Fu#$ing Magic! So now, that’s my explanation for RC sub electronics!

              Comment

              • trout
                Admiral
                • Jul 2011
                • 3545

                #8
                LOL F.M. - I am going to remember that one (hopefully).
                If you can cut, drill, saw, hit things and swear a lot, you're well on the way to building a working model sub.

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