Hello Congratulations on this revolutionary Gimbal. I have a problem of drift horizon. http://youtu.be/In92REGTXsE Any advice, these are my parameters. ROLL P 16 I 0,2 D 11 Power 103 Pitch P 7 I 01 D3 Power 60 Engines 2: Brushless Motor 5010 Cam Gopro 2 I apologize in advance for the language. thanks Carlo