AVX Conversion Process of OH-58D Kiowa Warrior

AVX Aircraft is targeting helicopter and non-helicopter prime contractors to sell the Fort Worth, Texas-based start-up’s coaxial rotor and dual ducted fan concept for the US Army, AVX founder Troy Gaffey confirms.

Gaffey, a retired chief engineer of Bell Helicopter, is seeking partners to launch the project in advance of a potential competition to replace the US Army’s Bell OH-58D Kiowa Warrior.

AVX’s concept (see graphic below) is based on modifying the current aircraft with a coaxial rotor for lift and two ducted fans mounted on a shortened tail boom for thrust and yaw control.

The flight controls would be modified by adding a control device to the collective that would allow the pilot to transfer as much as 70% of engine power from the rotor to the ducted fans in forward flight, Gaffey says. The new device is currently a twist grip, but that could change as the design evolves, he adds. Continue reading…

AVX Conversion Process.jpg(Source: AVX, Graphic: Flightglobal)


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