NACA Pressure-jet helicopter

[hesham]

Hi,


http://www.dtic.mil/dtic/tr/fulltext/u2/b182832.pdf

 

[jsport]

WOW, masterful find and post. Thank you
;D

 

[hesham]

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]

Sure resembles an even recent Piaseki proposal. Now if USG would fund the return of CRW..ie Dragonfly

 

[hesham]

Hi,

https://www.researchgate.net/figure/Warm-Cycle-Pressure-Jet_fig3_27523230