Helicopters are an entirely different beast. To ferry passengers or carry massive loads of all kinds, helicopters require a large propeller system that can generate enough vertical lift and also ...

One such attempt was a military aircraft, the AH-56 Cheyenne, a helicopter with a weirdly elongated appearance dating to the late 1960s that also had wings as well as a propeller (and a tail rotor ...

A 22-year-old British tourist has been killed in Greece after being hit by the propeller of a helicopter Monday evening, according to media reports.

An electric helicopter – powered by 18 propellers – has made its maiden flight. Could it be the future of urban transport?

Composites can enable the use of more and lighter blades to enhance aircraft ... Collins Aerospace says the eight-blade NP2000 composite propellers on the Lockheed Martin C-130H enable more ...

There are helicopter drones and fixed-wing drones, but creating a hybrid of both is tricky. Even Parrot's Swing, as clever as it is, needs four propellers and elaborate wings to pull off its stunt.

Over the past few years, labels such as DJI have pushed drones into the mainstream. If you look closely, you'll notice that a majority of them have four propellers, while helicopters have fewer of ...