air-breathing power unit

  • 31George S. Patton — Patton redirects here. For other uses, see Patton (disambiguation). For other people named George Patton, see George Patton (disambiguation). George Smith Patton, Jr …

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  • 32F-22 cockpit — When the aircraft was introduced in January 2003, the F 22 Raptor s cockpit represented a zenith in the so called “glass cockpit” without any traditional flight instruments and was a marked improvement on the cockpit design of previous advanced… …

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  • 33Ethereal being — Water nymph by John Collier, 1923. Ethereal beings, according to some belief systems and occult theories, are mystic entities that usually are not made of ordinary matter. Despite the fact that they are believed to be essentially incorporeal,… …

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  • 34Cabin pressurization — is the active pumping of compressed air into an aircraft cabin when flying at altitude to maintain a safe and comfortable environment for crew and passengers in the low outside atmospheric pressure.Pressurization is essential over 3,000 m (10,000 …

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  • 35Propulsive efficiency — In aircraft and rocket design, overall propulsive efficiency eta is the efficiency, in percent, with which the energy contained in a vehicle s propellant is converted into useful energy, to replace losses due to air drag, or gravity, or to… …

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  • 36List of United States inventions — 1700s1731 Sextant * The sextant is an astronomical instrument that is used to determine latitude for navigation. It does this by measuring angular distances, like the altitude of the sun, moon and stars. The sextant was invented independently in… …

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  • 37Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …

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  • 38ГОСТ 23851-79: Двигатели газотурбинные авиационные. Термины и определения — Терминология ГОСТ 23851 79: Двигатели газотурбинные авиационные. Термины и определения оригинал документа: 293. Аварийное выключение ГТД Аварийное выключение Ндп. Аварийное отключение ГТД D. Notausschaltung Е. Emergency shutdown F. Arrêt urgent… …

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  • 39Donald Beatty — Donald Croom Beatty (April 11, 1900 – July 12, 1980) was an American aviator, explorer, and inventor. Beatty was the son of Isaac Beatty, Jr and Hughie Duffee Beatty of Birmingham, Alabama (USA). He began his flying career as a teenager by… …

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  • 40North American F-82 Twin Mustang — F 82 redirects here. For other uses, see F82 (disambiguation). P 82/F 82 Twin Mustang XP 82 prototype Role …

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