Search results
We did not find results for: paul cornu helicopter.
Check spelling or type a new query.
We did not find results for: paul cornu helicopter.
Check spelling or type a new query.
The Cornu helicopter was an experimental helicopter built in France, and is widely credited with the first free flight of a rotary-wing aircraft when it took to the air on 13 November 1907. Built by bicycle-maker Paul Cornu, it was an open-framework structure built around a curved steel tube that carried a rotor at either end, and the engine and pilot in the middle. Power was transmitted to the ro... Wikipedia