Proper Feigao 8XL motor timing in Titan 29

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  • cybercrxt
    Fast Electric Addict!
    • Mar 2009
    • 2909

    #1

    Proper Feigao 8XL motor timing in Titan 29

    I'm running the stated motor in my titan 29 with a turnigy 120a esc and would like to know the proper timing. Thanks, Mike
    Laser cut, birch plywood rc race boat kits- WWW.MLBOATWORKSRC.COM WWW.DINOGYLIPOS.COM
  • cyberhoops
    Member
    • Jan 2009
    • 61

    #2
    The Fiegao 8xl is a 2 pole motor, and from what I know to this point the timing is mostly a function of the number of poles and then how much you want to push it. For a two pole motor I would go with zero degrees but you could try 3.75 degrees. Increasing the timing will (to a certain point) generate more power and more heat.

    ETTI recommends 2 degrees for 2 and 4 pole motors and 7 degrees for 6 to 8 pole motors.
    Jim Stephens
    Puget Sound Fast Electric Boat Club

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    • Fluid
      Fast and Furious
      • Apr 2007
      • 8011

      #3
      Anywhere from 5 to 10 degrees of advance will work fine with that motor. You can run more if you are pushing your equipment. 2-pole motors like timing advance, and indeed require some to run efficiently. They should never be run without timing advance unless they are in a tug boat.

      There is too much of a good thing however. Past a certain point - depending on the amp draw and the turns on the motor - you will stop getting efficiency/power increases and just generate excess heat. That's why 5-10 degrees is a safe recommendation for most uses.



      .
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      • DISAR
        Fast Electric Addict!
        • Aug 2007
        • 1072

        #4
        By increasing the timing advance the speed will also increase but temperatures in ESC-motor will also increase. Check them carefully.
        Twin Cat 135, Sprintcat40 (single-twin), DF 35", Maritimo, Mean Machine, SV 27
        http://www.rcfastboats.com/

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        • cybercrxt
          Fast Electric Addict!
          • Mar 2009
          • 2909

          #5
          That sounds good. I have only been running 3.75 degrees right now. I actually had it at 0 degrees before that, so I will try a little bit higher, but not much. Thanks
          Laser cut, birch plywood rc race boat kits- WWW.MLBOATWORKSRC.COM WWW.DINOGYLIPOS.COM

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