I am running Zero timing, 8 PWM, and head speed change rate of 20 on set RPM gov with a gain of 10. I have a HS of 2050rpm. motor is beating up heli, what settings could it be?

12 kHz or higher, normal to low on timing, sounds like a CC you have with the gov setting a tad to high

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Try lower gov gain or run/use less pitch.

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