Hi, I have built a Hexacopter with:
-DJI 550 Frame
-APM 2.6 with external compass
-FrSky DJT Transmitter/Reciever
-30A DYS ESCs
-850Kv Motors (3D robotics)
-Gemfan ABS Propeller - 8in x 4.5in
-5.8Ghz OSD Kit (3D Robotics)
-Tarot 2D Gimbal
-5100mAH LiPo Battery
It flies pretty stable most of...