Franklin Institute VTOL Projects of 1950s

[hesham]

Hi,

Flying Magazine

books.google.com.eg

 

[hesham]

Hi,

in the Spangenberg archive,they mentioned this Convertiplane as a real
Project studied,but I can't find any drawings or patent for it.

Flying Magazine

books.google.com.eg

 

[Jemiba]

We had such a design here, taking off and landing as a rotary-wing and a fixed wing aircraft
during cruising flight:
https://www.secretprojects.co.uk/threads/franklin-institute-vtol-projects-of-1950s.26664/

 

[hesham]

Oh sorry my dear Jemiba,

I don't remember it,we can merge those topics.