The Magni Gyro M22 Voyager may look like a helicopter… but it is a “gyroplane”. Simply put, the top rotor spins on its own with no power or motor. The only motorized rotor on the M22 is the the one pointing out the rear of the plane. Check out the pictures and videos after the break.
http://www.youtube.com/watch?v=xycB6b-pVTs