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#1
September 8th 08, 01:59 AM
posted to rec.aviation.military,rec.aviation.rotorcraft
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Helicopter: Successful First Flight For Sikorsky's X2 Technology Demonstrator
In article
, rjn wrote: "David E. Powell" wrote: Makes me think back to some of the studies looked at in the 1980s, ... People have been tilting at this windmill a lot longer than that. There's a cute summary (circa 1997) at: http://www.vstol.org/wheel/wheel.htm In any event, I'm sure any patents that Lockheed had on the AH-64 have expired by now :-) Or their AH-56 patents, even. :} 
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