Breguet G.111 coaxial rotor helicopter. Only one was built.
https://diqn32j8nouaz.cloudfront.net...e_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...1_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...154#post203609
https://www.homemadetools.net/forum/...411#post161987
https://www.homemadetools.net/forum/...676#post201639
https://www.homemadetools.net/forum/...285#post134952
https://www.homemadetools.net/forum/...186#post188152
