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New idea for helicopters

hesham

ACCESS: USAP
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Hi,

I dreamed by that method from more two years,until
I see it here,it was for helicopters to protect the
rotors as rotary/fixed wing aircraft.
http://www.google.com/patents?id=dtATAAAAEBAJ&printsec=abstract&zoom=4&dq=Aviation+Week+airplane&num=100#PPA1,M1
 

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