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Thread: Sikorsky X2 coaxial heli developments.
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Old 19th Aug 2010, 12:11
  #726 (permalink)  
heli1
 
Join Date: Jul 2005
Location: UK
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Because it looks like a duck, waddles like a duck, and swims like a duck doesn't meant it is a duck Graviman !
Could X2 stay aloft at high speed on slowed down main rotor lift alone......that is the question.
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