The airstream over parts of the wing hitting the sound barrier ... in the ridge lift on the front side of a hill is called “slope soaring”. With an infinite source of lift, model gliders ...

Excitement builds as competitors from around the globe converge in Limoux, near Toulouse in southern France, for the upcoming 2024 FAI World Championship for Slope Soaring Model Aircraft ... ballast ...

As the Polish F1E aeromodelling team returned to their country from Romania after the 2023 FAI F1E World Championship for Free Flight Slope Soaring Gliders, their luggage must have been much heavier ...