Shortly after the Second World War the helicopter grew out of the its infancy. Even beginning with piston engine but increasingly also with turbine engines - thus ever more powerful machines arose. The helicopters quickly got bigger and more powerful, and were consequently also being increasingly used for transporting heavy loads. The largest and most powerful series helicopter in the world - the Russian Mil Mi-26 - has a rotor diameter, which corresponds to the span of a Boeing 737.
128 pages, 205 x 140 mm, 27 w illustrations, 121 color illustrations