This guide is meant to be used along with the OMPHobby M4 User manual or OMPHobby M4 Max User ManualBest viewed on a larger screen like a Tablet or Laptop. Tools Supplies 1 Cyclic Servo rack assembly NOTE: Use thread-locker on all screws except servo balls and nyloc nuts. Tail servo assembly Tail servo install … Continue reading OMPHobby M4 Build Picture Guide