Helicopters can be as dangerous as they are valuable, in part because of a phenomenon called rotor wash. What is rotor wash, and how dangerous is it?

The Soviet Mil Mi6 was a behemoth of an aircraft. Here's why the massive helicopter had wings, and what other capabilities ...

The US Defense Advanced Research Projects Agency (DARPA) has selected Bell Helicopters to build the Speed and Runway Independent Technologies (SPRINT) unmanned ...

In recently published papers concerned with variable saturation in cylindrical rotor a. c. machines, a cross-saturation effect was described, caused by variable saturation. Using the same ...

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