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List of X-planes. Bell X-1-2. The X-planes are a series of experimental United States aircraft and rockets, used to test and evaluate new technologies and aerodynamic concepts. They have an X designator within the US system of aircraft designations, which denotes the experimental research mission. Not all US experimental aircraft have been ...
The Douglas XB-42 Mixmaster was an experimental American bomber aircraft, designed for a high top speed. The unconventional approach was to mount the two engines within the fuselage driving a pair of contra-rotating propellers mounted at the tail in a pusher configuration, leaving the wing and fuselage clean and free of drag-inducing protrusions.
5.8×42mm. The 5.8×42mm / DBP87 (" D àn (弹) B ùqiāng (步枪) P ŭtōng (普通), 19 87 "; literally "Standard Rifle Cartridge, 1987") is a military bottlenecked intermediate cartridge developed in the People's Republic of China. There is limited information on this cartridge, although the People's Liberation Army claims that it is ...
The X-43 was a part of NASA's Hyper-X program, involving the American space agency and contractors such as Boeing, Micro Craft Inc, Orbital Sciences Corporation and General Applied Science Laboratory (GASL). Micro Craft Inc. built the X-43A and GASL built its engine. One of the primary goals of NASA's Aeronautics Enterprise was the development ...
Douglas XB-43 Jetmaster. The Douglas XB-43 Jetmaster is an American 1940s jet-powered prototype bomber. The XB-43 was a development of the XB-42, replacing the piston engines of the XB-42 with two General Electric J35 engines of 4,000 lbf (17.8 kN) thrust each. Despite being the first American jet bomber to fly, it suffered stability issues and ...
The 42 puzzle orthorectified (1), and the number 42 hidden as binary (2), Hindu-Arabic numerals (3) and Roman numerals (4) The 42 Puzzle is a game devised by Douglas Adams in 1994 for the United States series of The Hitchhiker's Guide to the Galaxy books. The puzzle is an illustration consisting of 42 multi-coloured balls, in 7 columns and 6 rows.
Sources: Federal Aviation Administration [2] United States Air Force Plant 42 ( IATA: PMD, ICAO: KPMD, FAA LID: PMD) is a classified aircraft manufacturing plant owned by the United States Air Force in the Antelope Valley, about 60 miles (100 kilometers) from downtown Los Angeles. It is also used by the National Aeronautics and Space ...
The Boeing X-48 is an American experimental unmanned aerial vehicle (UAV) built to investigate the characteristics of blended wing body (BWB) aircraft. Boeing designed the X-48 and two examples were built by Cranfield Aerospace in the UK. Boeing began flight testing the X-48B version for NASA in 2007. The X-48B was later modified into the X-48C ...