Rear motors start to stutter and get hot in no time

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I have a brand new qq190 with a DX8 and SPM4648 as receiver. Setup was as easy as promised but something is wrong with the control of the rear motors. As soon as I speed up the props the rear motors start to stutter and get hot in no time. I tried this and that, but without any success so far. Since both motors are affected, i suppose the fault should come from the flightcontroller… Where should I go on with my investigation?

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Anonymous selected answer September 5, 2017
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Anonymous 1 Comment

well, the quad hasn’t had any liftoffs so far. Got it from Amainhobbies last week. It happens in every mode. I’ll check the release tomorrow, since i’m a Mac user i’ll have to do this with betaflight, i guess this should work anyway.

Anonymous commented on answer August 22, 2017

The quad will not exhibit normal behavior without props on. This is a condition of Betaflight.

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