Piasecki PA-97 Helistat & PA-39 Projects

[hesham]

Hi,

http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA047196&Location=U2&doc=GetTRDoc.pdf

Please note that,they wrote Report Number 97-C-1,
and again it is Model-97,this indicate sometimes
there is connection between report number and
the company model number.

 

[Stargazer]

Hi,

http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA047196&Location=U2&doc=GetTRDoc.pdf

Please note that,they wrote Report Number 97-C-1, and again it is Model-97,this indicate sometimes
there is connection between report number and the company model number.

Yeah, sometimes... :

 

[hesham]

Hi,

here is a Piasecki PA.97 4,11,34J and 212B.

https://lynceans.org/wp-content/uploads/2021/08/Piasecki_Quad-rotor-heavy-lift-helistats-converted-compressed.pdf

 

[hesham]

Hi,

In 1988, the preliminary design of "Heli-Stat II" was created with a balloon of a rigid structure to which four rotors (24 m in diameter) are attached, turned horizontally at take-off and vertically in flight. The project was not implemented.

samolotypolskie.pl - Piasecki PA-97 "Heli-Stat"

 

[isayyo2]

Promotional sales film from a Canadian sponsor "Mercantile Ventures" based out of Edmonton. Just posted today!

Highlights the Helistat's utility for Forestry and Mining activities in Alberta. Payload was planned to be 60-tons.

 

[hesham]

From Army Aviation 1958/12.