He positioned them on a machine used to test the aerodynamics of helicopter blades - so they spun around like man-made blades. Together with his team, he used cameras to capture airflow around the ...

Finally, in 1988, N52BT was scrapped for parts and its FAA registration officially ... that actually lasted the longest ...

The circular blades are powered by their own auxiliary engine. Once in position, the 10 rotating blades roar to life and the helicopter drags it along its route. A video released by Eversource shows ...

sending its blades straight into maintenance manager Londono, reports Noticias RCN. Ivan Andres Lopez Londono had been assisting the rescue of a Helify helicopter which came down in Colombian Army ...

"(Brown) attempted to 'dive underneath' the power lines. However, the main rotor blades struck the power lines, and the helicopter subsequently impacted the frozen reservoir," the report states ...

The Zhukovsky Central Aero-Hydrodynamic Institute (TsAGI) and the Mil Design Bureau have designed new rotor blades that make it possible to boost the speed of existing Russian combat helicopters ...

MOSCOW, July 10. /TASS/. The land version of the Kamov Ka-52 Alligator (NATO reporting name: Hokum-B) reconnaissance/attack helicopter is expected to get folding blades as part of its upgrade ...