hesham ACCESS: USAP Senior Member Joined 26 May 2006 Messages 32,794 Reaction score 12,090 16 February 2016 #1 Hi, here is an Aeroca/helicopter designed by Wilbur G, Nelson in 1931,page 32; https://books.google.com.eg/books?id=O6hi9mOhEncC&printsec=frontcover&hl=ar&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false Attachments 1.png 970.1 KB · Views: 101 2.png 296.3 KB · Views: 73 3.png 137.2 KB · Views: 62
Hi, here is an Aeroca/helicopter designed by Wilbur G, Nelson in 1931,page 32; https://books.google.com.eg/books?id=O6hi9mOhEncC&printsec=frontcover&hl=ar&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false