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main propulsion unit

См. также в других словарях:

  • Manned Maneuvering Unit — U.S. astronaut Bruce McCandless uses a manned maneuvering unit The Manned Maneuvering Unit (MMU) is an astronaut propulsion unit which was used by NASA on three space shuttle missions in 1984. The MMU allowed the astronauts to perform untethered… …   Wikipedia

  • Spacecraft propulsion — A remote camera captures a close up view of a Space Shuttle Main Engine during a test firing at the John C. Stennis Space Center in Hancock County, Mississippi Spacecraft propulsion is any method used to accelerate spacecraft and artificial… …   Wikipedia

  • Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… …   Wikipedia

  • Diesel multiple unit — Multiple unit trains Subtypes Electric multiple unit Diesel multiple unit Push–pull train Technology Multiple unit train control By Country …   Wikipedia

  • Nuclear pulse propulsion — An artist s conception of the Project Orion basic spacecraft, powered by nuclear pulse propulsion. Nuclear pulse propulsion (or External Pulsed Plasma Propulsion, as it is termed in one recent NASA document[1]) is a proposed method of spacecraft… …   Wikipedia

  • Auxiliary power unit — An auxiliary power unit (APU) is a device on a vehicle whose purpose is to provide energy for functions other than propulsion. Different types of APU are found on aircraft, as well as on some large ground vehicles.AircraftFunctions of APU The… …   Wikipedia

  • Nuclear marine propulsion — is propulsion of a ship by a nuclear reactor. Naval nuclear propulsion is propulsion that specifically refers to naval warships (see Nuclear navy). Only a very few experimental civil nuclear ships have been built; the elimination of fossil fuel… …   Wikipedia

  • Space Flyer Unit — The nihongo|Space Flyer Unit|宇宙実験・観測フリーフライヤ|Uchū Jikken Kansoku Free Flyer was a spacecraft which was launched by Japan on Mar. 18, 1995. [http://www.daviddarling.info/encyclopedia/S/SFU.html Main Reference] Main Reference] Technical data The… …   Wikipedia

  • Viking program — NASA s Viking program consisted of a pair of space probes sent to Mars, Viking 1 and Viking 2. Each vehicle was composed of two main parts, an orbiter designed to photograph the surface of Mars from orbit, and a lander designed to study the… …   Wikipedia

  • Block D — (Блок Д in Russian) is the upper stage of USSR/Russia heavy expendable launch systems, used for the N1 rocket, Proton rocket and Zenit rocket. There were plans to use it for some other rockets as well (project Air Launch).The stage (and its… …   Wikipedia

  • Blok D — Block D redirects here. For periodic division, see d block. For hiphop record label, see D Block. For other uses, see D block. Blok D Blok D (Russian: Блок Д meaning Block D) is an upper stage used on Soviet and later Russian expendable launch… …   Wikipedia

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