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Need help to test motor

rizzi

New Member
Joined
Aug 21, 2019
Messages
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Age
48
Location
paris
Hi to everybody,
I have recently joined to the forum and would like to have your opinion.
I have a Mavic Air and all my motors were damaged due to water + ESC. I first replaced ESC, started drone, and everything was ok except motors(esc errors). Later I bought 4 used original motors from ebay. I have changed all motors, powered on, i have seen lights on drone and it was booting then suddeny stopped, now no signs of life. I think there was a kind of short circuit and burned again the ESC.
The guy who sold me the motors told me that it might be due to a solder rest on ESC(i paid attention , it was very clear on ESC) However a bad motor may burn ESC too.
Now i will replace again the ESC , but this time i would like to test all motors one by one.

so my questions are:

is this a 3phase DC motor on mavic air?
Do you have any idea about how can I test them before connecting to an ESC?
there are some videos on internet which shows that with a drill and a volt meter (i have both), it's possible to test, but i do not want to use a drill which may damage motor if not centered correctly.

Thanks in advance for your help!!!
 
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