Механическое калибри

DARPA Nano Air Vehicle (NAV) program 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 complet