So this is why this mod has some sort of wind simulation for thermal lift.
W hat is a glider without thermal lift? Kind of boring. You may need to wiggle the flightstick left-right to overcome friction. The Glaser-Dirks DG-100 of 1974 is the first sailplane manufactured by Glaser-Dirks, developed from the Akaflieg Darmstadt D-38, the Standard class sailplane was designed by Wilhelm Dirks.