A partnership of universities and private companies led by Andrew Rae of the University of the Highlands and Islands Perth College in Perth, Scotland, have developed and flown what is claimed to be the first aircraft powered by variable-buoyancy propulsion. In March, the unmanned Phoenix prototype made an indoor maiden flight at the Drystack facility in Portsmouth, England, where it repeatedly flew for a distance of 120 m (395 ft).
.. Continue Reading Phoenix ultra-endurance air vehicle is first to fly like a fishCategory: Aircraft
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from New Atlas (Gizmag) http://bit.ly/2GNgt6j
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