The principal is easy to understand the helicopter flies like a bird, just the difference is that the bird pushes the air with the wing and the helicopter pushes the air with the rotor and hence the helic begin to fly like a bird

Its easy to make a electric aeroplane and to make it take a light and powerful motor and join it with a shape and put a spinning rotor on its top and give a high power to the motor and the frame must be light and if the rotor will spin the the … Read more