Sikorsky aircraft patents

hesham

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Hi,

Sikorsky designed an unknown tilt-propeller aircraft
in 1996;
http://www.google.com/patents?id=n7cZAAAAEBAJ&printsec=abstract&zoom=4&dq=Dornier+design+of+airplane&num=100#PPP1,M1
 

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JAZZ

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Variable diameter tilt-rotor artists impression
 

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hesham

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Hi,


here is a patent for Igor Sikorsky of 1931,which was granted in 1935.


http://www.sikorskyarchives.com/S-46%20_VS-300_%20VS-300A.php
 

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hesham

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Also a tailless patent airplane,designed by M. E. Gluharref.

http://archive.aviationweek.com/image/spread/19451101/103/2
 

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