UAVOS announced that it had completed flight tests of its advanced bearing-less rotor system installed on the UVH 25EL unmanned helicopter. Torsion bar is aimed to provide an effective damping action ...

Lockheed Martin‘s (NYSE: LMT) Sikorsky subsidiary will maintain and overhaul the main rotor blade of Black Hawk helicopters for the U.S. Army under a five-year, $116.5 million contract. Army ...

Helicopters regularly have to get their rotor blades inspected, so they can be replaced if they're wearing out. Using the BladeSense system, however, the aircraft would be able to monitor the ...

Helicopters stand among the many reasons why aviation is as important as it is today. These aircraft occupy various niches worldwide, ranging from extensive military applications, such as helicopters ...

NASHUA, New Hampshire—Rotor Technologies is advancing toward scaled production of unmanned R44 aircraft by integrating its autonomy system into Robinson Helicopter’s assembly line.

Ordinarily on a helicopter, the main (top) rotor is mechanically linked to the tail rotor, so the spinning of the former causes the latter to do likewise. An experimental new system replaces the tail ...