An electric ducted quadrotor vertical take-off and landing UAV

The Cyber Quad is an electric ducted quadrotor vertical take-0ff and landing (VTOL) unmanned aerial vehicle (UAV). Cyber Quad is a unique amalgamation of state-of-the-art VTOL UAV technologies, combining mechanical simplicity, low noise, stability and agility of a quadrotor, with the compactness, safety and efficiency of ducted fans. With only four moving parts that are safely shrouded, the Cyber Quad is easily transportable and rapidly deployable and involves low maintenance cost.

The Cyber Quad employs direct drive brushless electric motors, avoiding the inefficiencies, maintenance and noise of gearboxes and internal combustion engines. By running relatively low speed rotors with the tips aero-dynamically entrained by the duct wall, BVI noise and tip losses are significantly reduced. These features contribute to the Cyber Quad having a very low noise signature for stealth applications.