Originally Posted by
Krio
For the RX8, as soon as it can get a solid read on rotor position and timing it goes to sensorless operation. If you watch the 3 LEDs on the far right that indicate the sensors are working they will shut off the same time the esc goes into sensorless mode. If I had to put a number on it it would be below 2000 rpm, but really depends on motor type and wind.
I assume you are running an RS pro then?