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 ...

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 ...

Sagita has built an RC model of its concept. A new helicopter concept with less complex mechanics aims to make aviation safer, simpler, and easier to maintain. Sagita Helicopters in Belgium is behind ...

Airbus Helicopters continues to eye novel architectures for future rotorcraft designs, including new compound and tail rotor-free configurations, patent applications reveal. A pair of filings – ...

Since helicopters appeared some 80 years ago, they’ve used a single high-speed tail rotor to counteract the torque of the main rotor, stabilizing the aircraft in flight. But that rotor is both the key ...

A dual-rotor concept to improve helicopter performance achieved first flight more than a year after originally planned. Will the design live up to its promise? A futuristic helicopter prototype ...

Aerovelo's Atlas, the human-powered helicopter's quad-rotor design. The Igor Sikorsky Human-Powered Helicopter Award (a $250,000 engineering prize) was unclaimed for 33 years, but the University of ...

An artist's rendering of Boeing's submission for the Army's Future Attack Reconnaissance Aircraft competition is seen here. (Boeing) WASHINGTON — After dropping a brief teaser trailer several weeks ...

Hindustan Aeronautics (HAL) is moving ahead with its Indian Multi-Role Helicopter (IMRH) programme. Speaking to FlightGlobal, G Syam Nath, executive director, HAL, says the IMRH design has been frozen ...