E36 Electrical Challenges

[@simitarknut2201]

I had a friend that had a similar motor/ESC issue with a RC plane. The ESC would run a similar motor but not the one mounted on the plane. Turns out he lost the grub/set screw and just stuck in a screw he had laying about his workshop. Replacing that screw with the proper one, fixed the issue. I am a retired industrial electronic technician, I have seen similar issues on much larger motors. Modern brushless ESCs used to be referred to as 'sensor less', which has since been dropped. (The first brushless motors on the market had three leads for the motor, and a few more for a sensor inside the motor to set the timing for the speed control.) They read the returning pulse from the magnetic field of the motor coils to time when to output the pulse for the next winding. All that metal near the motor may have contributed your ESC being short lived as well.

[@FreeFlightDigest]

I was wondering about wiring that sinker close to the motor but no one has mentioned that, it needs the weight but I will do something different. I built a simple Hall Effect motor and I thought brushless motors used that at one time.

[@craigh3381]

Thanks for sharing...good luck with future E36'S

[@billkuhl442]

To me, the learning part is the most fun.