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help finding metal arms for hitec 7950th servos

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  • help finding metal arms for hitec 7950th servos

    so i have the need for metal arms for the 4 aileron servos i am installing into a muscle bipe with 90cc radial saito gas on it.. my current arms taht fit 645 hitecs are not fitting to these new ones.. any suggestion for the proper fitting arms and where to get them.. 1 3/4 to 2" will work........


  • #2
    Hitec changed from 24-tooth to 25-tooth splined output shafts on many of their servos...Futaba uses a 25T design.
    A Site for Soar Eyes

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    • #3
      The 7950th, 7955, 645, 5645, are all the same spline, C24T (24 teeth). I think the 645 uses a different servo arm screw. The new D series are 25 teeth.
      Steve K

      Kremer Aerotowing Team

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      • #4
        i think i just had some cheap metal arms i was trying to use. got better ones from les and they work great.. thanks guys happy flying see ya soon

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