* LK8000 polar for: DG1000-20M (PIL)
* MassDryGross[kg], MaxWaterBallast[liters], Speed1[km/h], Sink1[m/s], Speed2, Sink2, Speed3, Sink3, WingArea[m2]
 490, 160, 100.0, -0.59, 120.0, -0.86, 150.0, -1.65, 17.51

