US Autogiro from the '30s

[hesham]

From Modern Mechanix 1937/6,

here is a concepts to a Naval Autogiro,for future from Mr. Robert
Crawford

 

[Stargazer]

here is a concepts to a Naval Autogiro,for future from Mr. Robert Crawford

Considering this was a teenager doing plastic models for pleasure, I would hardly call this a "Secret Project". It belongs in the "Speculative" section, not here.

 

[Jemiba]

Correct, the heading says it quite clear

The full Modern Mechanix issue can be seen here
https://archive.org/details/modern-mechanix-1937.06/page/44/mode/2up