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Thread: Sikorsky X2 coaxial heli developments.
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Old 25th Aug 2010, 11:35
  #743 (permalink)  
Graviman
 
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Interesting that non of these definitions state a requirement for level flight...

X2 would be able to sustain high speed flight in descending flight without the pusher prop. Not sure what ROD would be required for 235kias.
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