• The RRG Professor was a very early soaring glider and the first to use a variometer for finding thermals. It was designed by Alexander Lippisch in Germany...
    8 KB (789 words) - 20:50, 3 September 2022
  • Role and reference grammar (RRG) is a model of grammar developed by William A. Foley and Robert Van Valin, Jr. in the 1980s, which incorporates many of...
    3 KB (356 words) - 23:26, 27 September 2024
  • Paris. 19 June 1931 First crossing in a glider Lissant Beardmore (UK) RRG Professor glider Aero-tow from Lympne to an altitude of 14,000 feet (4,300 m)...
    14 KB (490 words) - 02:13, 26 April 2024
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    offered. In winter the area is used by skiers and snowboarders. RRG Fafnir RRG Professor RRG Urubu Obs Rhön-Rossitten Gesellschaft Stratobowl, a similar bowl-shaped...
    13 KB (1,052 words) - 08:03, 20 August 2024
  • Thumbnail for RRG Fafnir
    The RRG Fafnir, named after the legendary dragon, was a single seat German high performance glider designed by Alexander Lippisch. It won the Rhön competition...
    8 KB (799 words) - 15:26, 22 October 2023
  • The Rhön-Rossitten Gesellschaft (RRG) or Rhön-Rossitten Society was a German gliding organization, the first one in the world that was officially recognised...
    5 KB (751 words) - 02:28, 12 February 2024
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    War II. London, United Kingdom: Amber Books. p. 224. ISBN 9781909160569. "RRG-Raketen Ente" (in German). Germany: www.segelflugmuseum.de. Archived from...
    8 KB (492 words) - 00:19, 8 September 2024
  • could compete with the 1928 RRG Professor. It needed to be easy to build, safe to fly and capable of tow launching. The Professor had a span of 16.1 m (52 ft...
    9 KB (973 words) - 15:29, 19 April 2022
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    The 1926 German RRG Prüfling (English: Examinee) of 1926 was a secondary training glider designed for club use. Plans were sold and it was built in Germany...
    8 KB (798 words) - 17:25, 2 February 2022
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    The RRG Falke (English: Falcon) of 1930 was a secondary training glider designed by Alexander Lippisch in Germany and intended to provide better performance...
    8 KB (836 words) - 21:05, 26 June 2024