POSSIBILITIES OF HIGH ALTITUDE FLUTTER DURING WAVE FLIGHTS

Authors

  • Walter Stender
  • Fritz Kiessling DLR Goettingen
  • Joachim P. Kuettner

Keywords:

Training and Safety

Abstract

The question of what maximum speed to fly in order to prevent high altitude flutter has been a hot subject of discussion among experienced wave flyers for a long time. It is not trivial because a bailout altitudes with outside temperatures of -70C is a considerable hazard in itself. The question is: Does the redline airspeed apply to indicated airspeed (IAS) or to true airspeed (TAS) as far as flutter at high altitude is concerned? Or is there an in-between limit?

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