World's Smallest One-Man Helicopter
A Japanese company called Gen Corporation has created what people are calling the world's smallest one-man helicopter, capable of flying 50km/h and weighs (by itself) 75kg.
The helicopter (The GEN H-4) is the smallest model in the world in terms of weight and its rotor length of 3.9 metres. The GEN H-4 has two rotors turning in opposite directions to maintain stability, and four engines that enables a 30-minute flight with a top speed of about 56 miles per hour.
The helicopter has two identical rotors that turn in opposite directions making the need for a tail rotor obsolete. Each rotor counteracts the others torque keeping the helicopter free of any unwanted spin.
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