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 the atmosphere to make

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cerberus
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PostSubject: the atmosphere to make    the atmosphere to make  Icon_minitimeMon Aug 15, 2011 9:00 am

he development of heavier-than-air flight in the half century between Sir George Cayley's coachman in 1853 and the Wright brothers mainly involved gliders (see Aviation history). However, the sport of gliding only emerged after the First World War, as a result of the Treaty of Versailles,[7] which imposed severe restrictions on the manufacture and use of single-seat powered aircraft in Germany's Weimar Republic. Thus, in the 1920s and 1930s, while aviators and aircraft makers in the rest of the world were working to improve the performance of powered aircraft, the Germans were designing, developing and flying ever more efficient gliders and discovering ways of using the natural forces in the atmosphere to make them fly farther and faster. With the active support of the German government, there were 50,000 glider pilots by 1937.[8] The first German gliding competition was held at the Wasserkuppe in 1920,[9][10]:51 organized by Oskar Ursinus. The best flight lasted two minutes and set a world distance record of 2 kilometres (1.2 mi).[10]:54 Within ten years, it had become an international event in which the achieved durations and distances had increased greatly. In 1931, Gunther Grönhoff flew 272 kilometres (169 mi) on the front of a storm from Munich to Kadaň (Kaaden in German) in Western Czechoslovakia, further than had been thought possible.[10]:85


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