gliding sport
gliding, also called soaring, flight in an unpowered heavier-than-air craft. Any engineless aircraft, from the simplest hang glider to a space shuttle on its return flight to the Earth, is a glider. The glider is powered by gravity, which means that it is always sinking through the air. However, when an efficient glider is flown through air that is rising faster than the aircraft’s rate of sink, the glider will climb. There are many types of glider, the most efficient of which is the sailplane. Hang gliding and paragliding are specialized forms of gliding. Sailplane. Sailplane. Pioneers in glider flight and development include the German Otto Lilienthal (1848–96), who was the first to attain predictable and controlled glider flight; the British pilot Percy Pilcher (1866–99); and the Americans Octave Chanute and the Wright brothers. Gliding for sport originated in Germany in 1910; the sailplane was first developed there after World War I, during the time when the Treaty of Versaill...