I want to set up a tri-copter mode for a special project.  Instead of having 2 motors up front with one motor in the back, with servo tilt for yaw control, I want to do a different configuration.  For my project I need one motor up front and two in the back.  I will not be using a motor tilt, but instead, have a rudder vane under each prop to provide yaw control. I noticed in the Mission planner software that after you load the Tri-Copter firmware, in the Level set-up menu there is the option…See More