What if the Aerostatoplan Zhuchenko had actually been developed to be flyable?

[maxmwill]

This was an experimental tilt wing VTOL that never had a chance, because it used a 50 hp Walter Mikron engine to drive both rotors. The idea was sound, but the execution was not. What if the Yugoslavian government had decided to pursue this further?

Zhuchenko "Vertoplan" - Stingray's List of Rotorcraft