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 ...
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The biggest-rotor helicopter in the world could lift over 10,000 pounds and be heard from eight miles away
Helicopters come in all sorts of weird shapes and sizes. In the early days of mass-produced helicopters in the 1940s and 1950s, engineers experimented with strange designs and unique concepts, many of ...
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 ...
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 ...
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 ...
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 ...
Airbus Helicopters is to institute a series of modifications on the H145 that will increase the payload of the light-twin by 150kg (330lb). Key to the upgrade is a new bearingless five-blade main ...
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 ...
This is an attempt made to break through the status that the light helicopter market has been monopolized by Robinson R-22 and R-44. According to Berkut, the new helicopter will be equipped with one ...
WWII helicopters were used for troop transport, casualty evac, airborne command posts, SAR operations, and attacking ground ...
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 ...
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