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 ...

Another important aspect of coaxial rotor performance is the interaction between the main rotor and additional propellers, especially in high-speed compound helicopters. Research has shown that at ...

The first experimental sample may begin to be tested next year. The light multi-role coaxial rotor helicopter VRT500 has a takeoff mass of 1.6 tonnes. It can seat up to five people, develop a ...

The second variant is a helicopter with a combined powerplant, which comprises the main rotor and additional lateral propellers pulling the rotorcraft forward. The third scheme is a coaxial rotor ...

Only the Russian Ka-52 Alligator, with its coaxial rotors, is resistant to this attack. It can only be neutralized by hitting its engines or main rotor. Read also: Mi-28N helicopter loss ...