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Published on May 31, 2011
In 2005, DARPA announced the Nano Air Vehicle (NAV) program and its goal to develop agile and flyers system that could fit in one hand. This video chronicles the development of a "hummingbird" flyer by Aerovironment from concept to prototype demonstration and introduction to the public. A number of difficult design and engineering challenges were overcome in the course of the program, particularly in the wing structure, propulsion and control actuators. Numerous complete prototypes were built and tested to assess and improve the performance of the systems shown in the video. The final prototype achieves the noteworthy milestone of 2-wing flapping hovering and fast forward flight with all power sources on the aircraft and all controls implemented through modulation of the wing strokes in a shape that resembles a real hummingbird and carries and on-board camera that relays video to the pilot in real time. For more information, please visit http://www.darpa.mil/Our_Work/DSO/Pro...