The fundamental design principles behind rotary-wing aircraft date back to the Renaissance, with some of the earliest-known designs belonging to Leonardo da Vinci. Naturally, technology has ...

FORT RUCKER, Ala. -- Before turbine engines took over the world of rotor-wing Aviation, a proof-of-concept system revolutionized helicopter flight with a radical new rotor design. The Lockheed CL ...

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

After early setbacks, Russian helicopter pilots shifted to low-altitude operations and high-angle indirect fire, known as ...

A simulation of the "aerial screw" designed by Leonardo da Vinci in 1480 suggests it would use less power than modern drone ...

It's not every day you see a helicopter that looks like this. But that unconventional rotor placement will help drive the S-97's exceptional speed.

The new rotor design has resulted in increasing Time Between Overhauls (TBO) and therefore in low life-cycle costs, better hub design, and superior handling qualities. Torsion Bar for a main ...