Topic Kiteplane Challenges |
M 28061 Aug.
24, 2019 Dave Santos Kiteplane Overshoot vs Stall in Short-line State Critical
AWES flight dynamics not
previously identified or formalized continue
to emerge. "Overshoot" concept in
fighter plane dogfighting is the latest applicable example.
Kiteplanes
must maintain a relatively high minimum velocity or crash. Too much
flight velocity risks overshooting the kite window and too little
velocity risks stalling. At shorter tether lengths the shrinking margin
between these two failure modes even disappears in worse-case designs,
much like
the Clashing Rocks of the Odyssey. Smash-landing
at speed at the anchor point is not a great solution. This is a
very serious flight-envelope dilemma for kiteplane design.
Low
mass soft kites have a distinct short-line mode that can be problematic
(or tapped), high Dutch-Roll Instability in high wind, not to be
confused with the kiteplane short-line overshoot-or-stall challenge.
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Topic 28057 Kiteplane Dynamics predicted from classic Fighter Maneuvers |
See also the topic: Makani crashes at Sea |