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 ...

The U.S. Marine Corps retired the CH-46 in 2015, but it's still used by other countries and the commercial sector. In its ...

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

The rotor head is a critically important component of the helicopter and is located at the intersection between the rotor blades and the mechanical assembly above the pilot/passenger cabin canopy. It ...