South Korean researchers have developed the world's first novel propeller technology that transmits power without friction. As a core technology capable of enhancing both the efficiency and quietness ...

New features for the industry-standard resistance and propulsion software, HydroComp's NavCad. Many contemporary marine vehicles are being outfitted with contra-rotating propellers (CRP), and naval ...

The Russian Tu-95 'Bear' isn't just a relic of the Cold War, with the potential for a nuclear payload capable of untold devastation. It's eight contra-rotating propellers also enable to it hold the ...

The 19-m (62-ft), 30-kW, contra-rotating vertical-axis turbine is a prototype of a design that could scale to unprecedented size and power. Most wind turbines look like a propeller on a stick – which ...

Key Points - The Tupolev Tu-95 "Bear," a Soviet-era strategic bomber introduced in 1956, remains a cornerstone of Russian long-range aviation. -Unique for its four powerful Kuznetsov NK-12 turboprop ...

Precious Metal is a staple of the air racing community. The highly modified P-51's striking yellow and polished paint job and its contra-rotating propellers are features that make it stand out, but ...

WHEN A MODIFIED MD-80 airliner flew at the 1988 Farnborough air show in Britain, it was supposed to represent the future of air travel. One of its rear-mounted jet engines had been replaced with an ...

John Green is chairman of the science and technology sub-group within the Royal Aeronautical Society's Greener By Design sustainable aviation effort. He is also a former chief executive of the ...