The Boeing Company

Robert J Bufe, Jr

Michael L Oleshchuk

Rotorcraft including an airframe having a fuselage extending between a forward and an aft end and a powerplant producing high-pressure fluid. The rotorcraft includes a rotor assembly rotatably mounted on the airframe and having a plurality of rotor blades extending from a hub. Each rotor blade has a base, a tip, a leading edge extending between the base and tip, and a trailing edge extending between the base and tip opposite the leading edge. Each rotor blade has a jet adjacent its trailing edge in fluid communication with the powerplant by way of a fluid path. Each jet is adjustable between an open position in which the jet allows the high-pressure fluid from the power plant to pass through the jet and out of the rotor blade and a closed position in which the jet prevents the high-pressure fluid from passing through the jet and out of the rotor blade.

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Maryland Heights, MO, United States of America

Robert J Bufe, Jr