Instead of the overly cumbersome and technologically sophisticated unmanned aerial vehicles that are currently in use, the device size of 4.5 inches (11.5 cm) can be much more efficient in the aspect of both cost and their immediate destination. During the years when the need for such devices is maturing in all armies of the world. However, because the basic laws of aerodynamics to make it extremely difficult - too small devices the size of energy- inefficient due to their inability to resist the strong air currents.
However Ifdzhu Peter (Peter Ifju), professor of mechanical and aerospace engineering at the University of Florida, to create a drone with flexible wings analyzed the patterns of bat flight. Wings of the device built on a frame of carbon fiber, which is then covered with a latex membrane, which allows the mini- aircraft adapted to air flow, and the strength of the wing is enough to keep the UAV in the air. The only problem at the moment is that the battery for the device allows only 15 minutes.
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