the main reason is unknown, i guess is one of the esc failure, if you think you may know why thats happend please leave a comment
2016 quadcopters
the main reason is unknown, i guess is one of the esc failure, if you think you may know why thats happend please leave a comment
2016 quadcopters
i would check the connections the esc & the screws dat holds the motors
they mite be to long