What’s 12 inches tall, 24 inches long, and gives you tips on boat invaders? Not space aliens. Not a flying dog. A tiny helicoper spy by the name of “Crows Nest Anti-Pirate UAV!” It will let you know, right away! If there’s any pirates on the way. Meant to fly rings around your ship as you float along the sea, minding your own business. If it detects anything large enough to constitute a boat inside it’s defense perimeter, it sounds the horn!
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VTOL Technologies is proposing an unmanned aerial vehicle that can take off vertically and maneuver around tops of buildings for security monitoring at the London Olympics. The single fixed-wing aircraft would be able to lift off the ground with four thrust vectoring ducted-fan units.
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The Chinese military has apparently been copying American UAV designs for a while now. After they got bored simply rebuilding Uncle Sam’s models, they decided to design a few of their own. And they blow ours out of the water.
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UAV helicopter powered by an electric hybrid engine.

In a bid to green aviation, Falx Air has unveiled the final design overview of its hybrid electric coaxial helicopter UAV. The UAV is intended to be powered by an advanced fast charging battery systems that are being developed in the U.S. Keeping the weight of the aircraft under control had to be a priority, which the company hopes to implement by developing the airframe from aerospace certified composite materials.
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Aurora Flight Sciences has revealed the design of an unmanned aircraft for DARPA’s Vulture Program, which will be able to fly for a period of five years on solar energy. Known as the Odysseus, the aircraft is designed to fly in the stratosphere at altitudes in excess of 60,000 feet. The aircraft is made by combining three individual constituent aircrafts that are arrange in a unique Z wing configuration optimizing solar collection during the day.
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