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Abrasion strips on helicopter rotor blades are made of metal, often titanium or nickel, which are very hard, but less hard than sand. When a helicopter flies low to the ground in desert environments, sand striking the rotor blade can cause erosion. At night, sand hitting the metal abrasion strip causes a visible corona or halo around the rotor ...
The design of the SW-4 helicopter originates from the 1960s, during which period it was decided against proceeding to production with the SW-4 due to demand for military helicopters from various nations within the Warsaw Pact. [3] Around 1981, development work at PZL-Swidnik was started on a new four/five place light utility helicopter. [4]
The Kaman HH-43 Huskie is a helicopter developed and produced by the American rotorcraft manufacturer Kaman Aircraft. [2] It is perhaps most distinctive for its use of twin intermeshing rotors, having been largely designed by the German aeronautical engineer Anton Flettner.
The magazine would be located underneath the cabin floor and could be reloaded in-flight. However, plans to mount the gun were later dropped. [4] In December 1992 the US Navy issued a letter of qualification for GAU-19/A integration and use on naval aircraft. In 2005, the GAU-19/A was approved to be mounted on the OH-58D Kiowa helicopter.
A partnership between Bell Helicopter and Boeing Helicopters was awarded a development contract in 1983 for the V-22 tiltrotor aircraft. The Bell-Boeing team jointly produces the aircraft. [ 3 ] The V-22 first flew in 1989 and began flight testing and design alterations; the complexity and difficulties of being the first tiltrotor for military ...
The Fa 330 directly inspired Igor Bensen's interest in small autogyros which culminated in the Bensen B-8 and other modern autogyros.. In February 2013, Aviation Week and Space Technology reported that L-3 Communications was testing its Valkyrie, an unpowered, tethered autogyro that weighs 210 pounds (95 kg), which is intended to serve as a cheap alternative to a shipborne helicopter.
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This is a list of rotorcraft, including helicopters, autogyros, rotor kites and convertiplanes. Lists of aircraft; 0–Ah; Ai–Am; An–Az; B–Be; Bf–Bo; Br–Bz ...