The rotor system was developed for the CoAX 600 ultra-light helicopter. With a take-off weight of 600 kg, it is the first in its class and the use of the coaxial rotor system has made it possible to ...

MOSCOW, May 16. /TASS/. The Kamov design bureau is developing a new coaxial helicopter for defense missions to fly at a speed of over 500 km/hr, Director of the Aviation Industry Department at ...