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 ...

The fundamental design principles behind rotary-wing aircraft date back to the Renaissance, with some of the earliest-known designs belonging to Leonardo da Vinci. Naturally, technology has ...

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 – ...

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 ...

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 ...

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 ...

Helicopter rotor performance and optimisation represent a dynamic field of research that addresses improvements in efficiency, environmental impact and overall operational capability. Researchers have ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Pilots don’t always land on runways. Whether shot down, or ...

Although helicopter aerodynamics involves the same forces that arise in airplane aerodynamics, these forces occur differently due to fluid flow dynamics across the aircraft. Helicopters take advantage ...

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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Triplane built on a Nieuport 23 ...