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Thread: Sikorsky X2 coaxial heli developments.
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Old 24th March 2008 | 16:38
  #224 (permalink)  
bat1
 
Joined: Mar 2008
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From: Cincy
The patent can be seen on google with full images
here is a link to the images
http://www.google.com/patents?id=Aje..._pages&cad=1_1

The fun starts after fig. 3a
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