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Can get situation where they all pulse at the WRONG time... and that is bad because it causes crazy eddy currents in the motor then the motor has to dissipate all that energy via heat.
Different loads, different reactions -That is why Novak is sooooo smooth. It has a sensor to let the ESC know exactly where the motor rotor is situated.
Other sensorless BLs just drive the motor anyhow they "think" the rotor is situated. This makes them very coggy (jerky) at low speeds, and also inefficient =hot when they get their guessing wrong.
Different loads, different reactions -That is why Novak is sooooo smooth. It has a sensor to let the ESC know exactly where the motor rotor is situated.
Other sensorless BLs just drive the motor anyhow they "think" the rotor is situated. This makes them very coggy (jerky) at low speeds, and also inefficient =hot when they get their guessing wrong.