Stauffer Gyroplane of 1930s

[hesham]

Hi,

here is a Gyroplane of 1930s,designed by O. L. Stauffer,page 18.

https://books.google.com.eg/books?id=Z0x4MAB8OWsC&printsec=frontcover&hl=ar&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false

http://www.aerofiles.com/_st.html

 

[hesham]

Page 57;

https://books.google.com.eg/books?id=3icDAAAAMBAJ&printsec=frontcover&hl=ar#v=onepage&q&f=false