Coaxial rotor systems, which feature two rotors stacked one above the other, are gaining attention in the field of rotorcraft design due to their unique aerodynamic properties and performance ...

Most of the lift for [Starlino]’s quadhybrid comes from a pair of coaxial rotors from a Syma 001 3-channel helicopter toy. Anyone who has played with one of these toy helicopters knows how ...

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 ...

Most striking of all is the double-helix, contra-rotating main rotor assembly, something that no American military helicopter has ever had before. The compound coaxial design of the Raider X means ...