why will my motor not stop spinning ?

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Champking

Member
absolutely stumped at this point. My Emax 250 quad copter was doing great and still fly's great but when i land my motor #2 won't stop spinning.
Have re calibrated the ESC's via open pilot 3 times now. Even if I trim the throttle down won't stop.
short of replacing the ESC not sure what to do !
 
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Champking

Member
learned something new today, that carbon fibre is conductive and my frysky transmitter was arking out on the frame where the antenna connect. Enough that its almost burnt a hole right through.
Insulated it with electrical tape and now my quad is running great !
 
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Champking

Member
It caused me a lot of problems.... In 1 crash the motor wouldn't stop spinning and the blades were caught up in the dry grass and it actually caught fire, so I took the motor apart and cleaned it out, visually everything looked good and still spin but when I hooked it back up it fried my ESC.
Also think that carbon fiber is most conductive in cold temperatures, as the carbon fibers must shrink cause, when I would bring it in the house for testing everything would be ok, but when I would fly it outside in the cold it would act up.
which gets me thinking.... is there any way we can ground our components ?
 
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