Castle & Hobbywing combo ?

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Yeah Sensored motors have Hall Effect sensors unlike Non sensored motors. And Sensored motors also have a Thermister for Temp feedback to the ESC and even some Rx's can relate the temps to the Radio Telem.
Non sensored motors use the Phase circuit generating Back EMF signals to verify armature's position.
But they tend to cogg as a result. Poor accuracy. Less efficient power delivery. They are most efficient only at full throttle power.
Sensored is extremely precise, efficient and smooth throughout the power band. No cogging effect.
Sensor boards need to be kept clean. Or the motor timing will shift between the 3 Phase circuits. This can affect Kv and RPM's.
 
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