Aerovironment micro UAV

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AeroVironment’s Hummingbird NAV shown in the palm of a hand to give it scale. The company has been able to fly the NAV (nano air vehicle) indoors and outside, including flying it through doors and down corridors into a workshop and office environment.

From the SAE aeronautics eNote. Not new news but best picture and ‘technical’ description yet.

AeroVironment has captured the imagination of a worldwide audience with news of a major extension of its activities into nano air vehicles (NAVs). Ever since human beings first discovered the basic principles of lift and the importance of wing shapes, the necessary muscle power and control movements of birds defeated all attempts to emulate the mechanical process of using wing flapping to beat gravity. The hummingbird’s amazing ability to conduct a perfectly stable hover has long fascinated students of aerodynamics, especially when slow-motion film footage displays the complexity and perfection of its ultrahigh-speed wing flapping movements.

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