10 Of The Coolest Helicopters Ever Created

Kellett-Hughes XH-17

Another odd entry is the Kellett-Hughes XH-17, which was said to be used as a flying crane for its time period. Designed in 1952, the Hughes Aircraft Company produced this first version, which was the largest helicopter in the entire world at the time.

Sikorsky X2

The Sikorsky X2 was designed to combat the only problem a helicopter currently faces: speed. Helicopters tend to be rather slow, but not the X2. Sikorsky tried to experiment with multiple prototypes before coming onto this one, which used composite airframe materials for a lightweight machine.