I've been working towards a realistic simulation of my high-altitude return-to-launch glider project in X-plane and this is the latest result which some here might find interesting. The simulation is running with X-plane 9, APM-MP 1.1.36 (to keep the TAS into APM - more on that later) and a slightly modified version of ArduPlane 2.28. To achieve the drop, I drag the aircraft up to the release al…