Motor 1 slows down and stops

hey all,

after waiting 6 weeks for my RC to finally test my 3dr-quad everything went well with it until I mounted the props to do a first handheld-test. With ~1/4 of throttle on the RC all props start spinning at the same time and in the right direction and (as far as I can see) the same speed. But after a few seconds motor 1 decreases speed more and more until it finally stops. When I push the throttle a bit further it starts spinning again, but very slow and stops again. In the troubleshooting guide I've read something about the bulletconnectors that might be loosing connection due to vibrations, but it's not vibrating and the connectors seem pretty tight :-/

any ideas?


thanks in advance! =)

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Replies

  • Did you manage to solve this problem of the motor slowing down and stopping? I am having exactly the same problem with Arducopter 2.8.1

    It is definetly not the ESC or the motor itself as if I can around the motor connections from the APM to ESC/motors the problem moves from one motor to another - always on the same APM o/p

    Anyone - any ideas as I just cannot fly with this situation ?

    Just to add I did all the reasonable check by using a separate battery for the APM/receiver, checked all connections, used a different receiver, checked LiPo battery voltage, used different LiPo. Also the ESC are soldered to motor wiring so there are not bullets in the way.

  • Is that motor/prop harder to spin by hand when powered off. I'm building my first and noticed the motors that I tightened more than others must have been distorting it. It was very difficult to turn, which would make it over-heat quickly if powered up. I'm looking for a solution better than just loosening the two mounting bolts. May try to use motor mounts to see if it will take the stress better than the motor housing.

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