You do not want to understand Coanda 1910 was an experimental plane a new concept Coanda 1911 was built for a contest organized by the French Army There is no evidence that the Army would have accepted a design like Coanda 1910 Secondly Coanda 1910 was able to fly short distances it could not compete against planes that flew hours Not even the Campini Caproni jet plane from 1940 could have competed ordinary planes from 1911