Old Umbrella Type Helicopter of 1928 to ID

[hesham]

From Flying 1952-4,

what was this ?.

 

[fortrena]

The prototype in question may, I repeat may, be the Pitts Sky Car, completed in Detroit (around 1928?), by John W. Pitts.

 

[T. A. Gardner]

I tend to agree with it being the Pitts Sky Car.

 

[hesham]

Maybe you are right