famous aircraft during the great patriotic war, this same focke wulf 190, it was at the focke factoryncluding those too, but he built helicopters with a transverse design, now i’ll explain to you what it is, which means a transverse design, this is a helicopter that has a beam here, here one screw spins, here another screw spins, it’s harmonious diagram, in this case i am holding in my hands a kamov helicopter, which always builds helicopters like this, with a symmetrical design, where two rotors rotate in different directions, and sikorsky dreamed of building a helicopter with one propeller, with a symmetrical design, where it is shown on the helicopter here, here is one screw working, this is how he wanted to build a machine like this in his thirties... the experimental helicopter vs-300 took off, although it was brought to you, it had one feature, it spun wonderfully on the spot, it flew backwards, sideways, up, down, the only thing... what he didn’t know how to do was fly forward, for a still unknown reason, naturally the inventor himself was safely behind the handle, then the hel