Flapping wing vehicle improves on the a helicopter

(PhysOrg.com) -- Since the days of Leonardo da Vinci people have tried to build machines that fly with flapping wings like a bird or an insect. Even in the jet age the idea remains attractive because such machines could be more maneuverable than fixed-wing aircraft, and at small sizes would use less energy to hover than helicopters.

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<p><a href="http://www.physorg.com/news148236804.html">Flapping wing vehicle improves on the a helicopter</a></p> <p>(PhysOrg.com) -- Since the days of Leonardo da Vinci people have tried to build machines that fly with flapping wings like a bird or an insect. Even in the jet age the idea remains attractive because such machines could be more maneuverable than fixed-wing aircraft, and at small sizes would use less energy to hover than helicopters.</p>