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-475 ...

Future Bell helicopter designs could come with split-tip main rotor blades and anti-torque control provided by a cross-flow fan embedded in the tail boom, rather than a traditional tail rotor, if two ...

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 ...

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 ...

Clever hubs, lightweight cranks and the drivetrain that uses oil to change gear BikeRadar was recently invited out to Madrid to test a few new components from Rotor, these included the company’s ...

Eurocopter test flew an EC145 helicopter equipped with a five-blade bearingless rotor system from its Donauwörth plant in Germany late last month. The European helicopter manufacturer has designed the ...