Originally Posted by
revo_race
Pardon my ignorance - what’s the objective of using this? It tells you the condition of the rotor? If so, then in theory the tester is most useful if you can benchmark “before” results when motors/rotors are new as well as paying attention to “after” or “during” results during racing season?
You can monitor the rotor if it is losing magnetism. And stock racers who are limited in gaining performance on a motor like to buy 10 motors and select the best parts of them for making the fastest motor.