October 28, 2008 Helicopters featuring coaxial rotor designs are not exactly new. The co-axial design of a pair of rotors mounted on the same mast and with the same axis of rotation, but turning in ...

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 ...

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 ...

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 ...

Recently, rotating machinery has been widely applied in various mechanical systems to manufacture products and generate electrical power. When mechanical systems are operated, the main rotor part is ...

The carbon fiber blades’ rotation almost reached Mach 1. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA recently released a video showing a ...

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 ...