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Thread: Sikorsky X2 coaxial heli developments.
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Old 8th December 2007 | 22:14
  #99 (permalink)  
Dave_Jackson
 
Joined: Apr 2003
Posts: 1,635
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From: Vancouver, BC, Canada
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IFMU said
The hardcopy has a picture in it.

Is this the picture?



You've got to admit that those are darn close rotors for a mid-1930's helicopter.

Dave
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