BAE to begin Mantis UAV test flights in 2013

BAE to begin Mantis UAV test flights in 2013: BAE Systems is planning to begin test flights of its long-endurance unmanned air vehicle (UAV), dubbed The Mantis, in UK airspace in early 2013.

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Open rotor noise not a barrier to entry: GE

Open rotor noise not a barrier to entry: GE: Initial performance and noise studies conducted in the wind tunnel show that an open rotor engine with counter-rotating propellers in pusher configuration...

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