Bye Aerospace has begun the next phase of flight testing on its eFlyer 2 technology demonstrator, which the US company will use to select the most efficient propeller to maximise the performance of ...
A pontoon boat presents a special challenge in docking: It puts multiple keels in the water, and thus resists pivoting. The wide, flat sides catch the wind, compounding your handling headache. The ...
Recently, Universal Hydrogen and Hartzell Propeller showed significant progress toward hydrogen fuel cell-powered flight. The two companies collaborated to alter a De Havilland Dash 8 testbed, ...
Russian researchers are planning to test-fly a Yakovlev Yak-40 modified with a superconducting electric motor and propeller mounted on the trijet’s nose. The Moscow-based Central Institute of Aviation ...
Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight ...
Austrian company Cyclotech is planning to begin flight-testing an 80-kg (176-lb) demonstrator of its unique electric VTOL airframe, which uses Voith-Schneider propellers instead of rotors for ...
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