I've noticed some issues with my P3 vibrating, you can see the vibration in this slow-motion video: I took all 4 props off, then powered up the motors. I couldn't see any vibrations. I then placed my finger on the outside surface of each of the 4 motors, as shown in this video: I could definitely feel a bit of a vibration on 1 of the 4 motors. Do you think the vibration I felt with my finger could be a sign of an out-of-balance motor, that is the cause of my P3 vibrating (as shown in the first video)? Thanks in advance for your insights! note: disregard the clicking you can hear, i didn't hear the clicking while recording the video, but due to some reason the clicking is audile when i played-back the video.