Coaxial Helicopter. Coaxial rotors are designed to offload the retreating side of the rotor in high speed flight to delay the effects of reverse flow and blade stall which limit the speed of. The video at the top is the prototype undergoing flight maneuvers.
The helicopter has a coaxial rotor system design with two rotors mounted on the same axis. Of the company's 3,600 employees in the denver area, 350 work in the suburb of englewood in a glass office building with a helicopter pad. They are characterized by superb quality and exceptionally low levels of noise and vibration.
