I am running 5.12A firmware in my WKM and my gains on a stock F550 with 4s 5000mah, graupner 10", 2 axis gimbal, gopro, Video Tx and 2cell lipo for Video is Pitch & Roll 210, Yaw-190 and vertical is 190. Its flying good. Would love to hear What gains are you guys flying with?
Adarsh