Hi Peter,
our trimotor VTOL can be thought of as a “backward flying tri with vector-yaw and the rear motor tiltable”. Therefore the motor matrix itself did not need to be changed. Peter Hall @iampete has helped and extended the code: Reverse Tricopter-VTOL Plane - #9 by iampete
More in your thread Tandem Bicopter transit into Cessna
Rolf