Developed by the Mil Design Bureau, the Soviet Mil Mi-1 is the first helicopter produced by the Soviet Union. Having first ...

Abstract: In this paper, the dual-rotor dual-stator axial field flux-switching PM (DR-DS-AFFSPM) topology is presented, designed, and analyzed to improve the cogging torque and torque ripple. The ...

The U.S. military has a reputation for using only the flashiest, most expensive equipment around. But in the case of its helicopters, that's not the case.

because they're both using a common base to spin in opposite directions.And the final dual-rotor design is the intermeshing-rotor helicopter like a K-MAX, which uses two main rotors mounted on ...

The tiltrotor is part of the Army's plan to modernize its aging fleet of military helicopters. The Army plans to replace the Sikorsky UH-60 Black Hawk with the MV-75 by the 2030s. It flies like a ...

The tiltrotor is part of the Army's plan to modernize its aging fleet of military helicopters. The Army plans to replace the Sikorsky UH-60 Black Hawk with the MV-75 by the 2030s. It flies like a ...

Christopher Ward, the police chief of the region, told the outlet that the helicopter was heading to Wings Field, its base—only two miles away from the crash site. Police discovered the tail rotor ...

The Army selected the V-280 tiltrotor from Bell and Lockheed Martin, beating out the SB>1 Defiant, a coaxial rotor helicopter submitted by Sikorsky and Boeing. The win for the V-280 has the ...

An Airbus Helicopters H175 parked on an oil platform had four main rotor blades snapped off in strong winds after a malfunctioning rotor brake left the crew unable to tie down the still-rotating ...

Inventor and physicist Thomas Senkel created an Internet sensation with the October 2011 video of his maiden—and only—test flight of a spidery proof-of-concept 16-rotor helicopter dubbed ...

The CH-47F has a long American legacy, and that's very much by design — due to the advantages of its tandem-rotor system, this helicopter ... power (at least from a dual-engine configuration).