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NACA Pressure-jet helicopter

jsport

I really should change my personal text
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WOW, masterful find and post. Thank you
;D
 

hesham

CLEARANCE: Above Top Secret
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Re: NACA Pressure-jet helicopter (modern design of 1954)

By the way,


this project considered a revolution in 1954,and may be it was
from Piasecki design.
 

jsport

I really should change my personal text
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Sure resembles an even recent Piaseki proposal. Now if USG would fund the return of CRW..ie Dragonfly :(
 
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