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 ...

Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight ...

Small brushless motors and LiPo batteries are one of the most impressive bits of technology popularized in recent years. Just a few years ago, RC aircraft were powered by either anemic brushed motors ...

An Austrian-based company is working on a patented propulsion technology for VTOLs (vertical take-off and landing) and has recently shared the first test flight of a prototype aircraft using 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 ...

MT-Propeller has flight tested an 11-bladed propeller on a Piper PA-31T Cheyenne twin turboprop. MT-Propeller said this 11-bladed prop produced a 15 percent increase in static thrust over a standard, ...