high rpm motor jerk/stutter

Torek

100 µW
Joined
Feb 3, 2024
Messages
9
Location
Miami fl
big thank you in advance for any input you guys may have

motor 1500w DD
sine wave 2000w controller 35a
52v 20ah

so basically i have the 3 speed switch by passed and i jumped the connections to be set on high speed at all times and when im reaching high rpm you feel the motor gain speed and more torque but in a "pulse-ish" manner but the motor will jerk quickly once or twice when the motor gets that extra push from the high speed engaging it also wont do it everytime ,sometimes if throttle it correctly it wont do the stutter and ill be able to get that high end speed , now if im running it without the wire jumper or 3 speed switch the motor acts normal , not as fast obviously but no jerk or stutter once i get to high rpm

i hope im explainng this clearly lmk if im missing any info that may help thanks again
 
The controller is probably going out of sync at high rpm.
 
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