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Hello. Is there anyone who can tell me what is wrong ... ..
I have built a hexadrone. Sender = Turnigy 9X, Receiver = flysky fs-9b, Naza M V2 control system with GPS, 30 amp ESC and motor = A2212 / 13h.
  When I start the drone, it only starts the engine 1-5-6. idle. When I give gas (abundant), engine no. 2 is starting and more gas, then engine no. 4 starts. At full throttle starts the engine no. 3 
  Does anyone have a solution to the problem, so I would be grateful.
  palle (DK)

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  • Hi Palle,

    If you have not done so, the Wiki page on ESC calibration is Here:

    http://copter.ardupilot.com/wiki/initial-setup/esc-motor/

    This is important for most ESCs (opto isolated ESCs like DJI do not require or implement calibration).

    If the all at once method won't work you will need to do the one at a time method, sometimes it can even require both before successful completion.

    That said, some ESCs still don't end up with all motors throttling up at the same time.

    My Quattro 4 in 1 ESCs are especially problematic with this.

    However that does not mean they are not perfectly flyable.

    After you have achieved a successful ESC calibration.

    If you can get all 4 (6, 8 or whatever) props to spin at all, assuming everything else is right, you can try throttling up and see if you can get a smooth liftoff.

    (Hint, if it immediately tries to flip over, something else is probably wrong.)

    Best Regards,

    Gary

    • Hi Gary.

      I have tryed and tryed and tryed.

      Calibratet all ESC (one by one) and have changes some of them. Still motor 2, 3 and 4 is first running at more than half power.

      Can i have to long wires from the ESC to the motors ( i have about 50cm. to each motor ). The hexacoptor has a diameter at about 1 meter.

      Palle

  • Hi Thomas.

    I am not dying yet, my canser is under controll

    In Denmark we say GAS.

    Palle

  • Most ESC's calibrate by holding the throttle to full and plugging in the power. Then unplug and replug into power after the tones drop the throttle to low then they should all work together.

    REMOVE PROPS BEFORE TRYING TO CALIBRATE :) Just in case this does not work you don't want the throttle full for ESC's that don't use calibration.

    • Hi RocketMan.

      Tanks for the answers. I will try that.

      once again thank you.

      Best regards

      Palle (Denmark)

  • Sounds like you need to calibrate your ESC's but you didn't say what ESC's your using. I think some of the DJI ESC's don't need calibration.

    • Thanks for you reply. It is Hobbypower ESC-30A, DC: 5.5V-12.6V, BEC 5V/2A.

      Palle

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