Originally Posted by beenflying
That servo seems to be fine at 333Hz. Both the ones I had on my 500 ESP with the ZYX (replaced with a mini servo now) and the one still on my 550E with the HB800 work fine. I also bench tested them in the heli for quite long periods of time. Also, no sign of any excessive heat build up at the end of a flight.
Did you also run the cyclic servos at 333hz?