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sea-level specific impulse

См. также в других словарях:

  • Specific impulse — (usually abbreviated I sp) is a way to describe the efficiency of rocket and jet engines. It represents the impulse (change in momentum) per unit of propellant. The higher the specific impulse, the less propellant is needed to gain a given amount …   Wikipedia

  • Merlin (rocket engine) — Merlin 1C SpaceX Merlin 1A (shown) Country of origin United States Manufacturer SpaceX Liq …   Wikipedia

  • Project Timberwind — aimed to develop nuclear thermal rockets. It was under the aegis of the Strategic Defence Initiative ( Star Wars ), later expanded into a larger design in the Space Thermal Nuclear Propulsion (STNP) program. Advances in high temperature metals,… …   Wikipedia

  • YF-77 — The YF 77 is currently China s most powerful cryogenic rocket engine using liquid hydrogen (LH2) fuel and liquid oxygen (LOX) oxidizer. Engine development began in the 2000s, with testing directed by the China National Space Administration (CNSA) …   Wikipedia

  • YF-100 — (Rocket Engine) = The YF 100 is currently China s most powerful LOX Kerosene rocket engine. Development began in the 2000s, with testing directed by the China National Space Administration (CNSA) commencing in 2005. The engine has been… …   Wikipedia

  • NPO Energomash — Model of the RD 170 Engine developed by NPO Energomash. NPO Energomash “V. P. Glushko” is a Russian manufacturer originated from design bureau, which focuses primarily on the development and production of liquid propellant rocket engines. NPO… …   Wikipedia

  • Space Shuttle — STS redirects here. For other uses, see STS (disambiguation). This article is about the NASA Space Transportation System vehicle. For the associated NASA STS program, see Space Shuttle program. For other shuttles and aerospace vehicles, see… …   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

  • RS-68 — The Rocketdyne RS 68 (Rocket System 68) is a liquid hydrogen / liquid oxygen engine developed starting in the 1990s with the goal of producing a simpler, less costly heavy lift rocket engine for the Delta IV rocket. The RS 68 produces a thrust of …   Wikipedia

  • History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

  • china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …   Universalium

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