auxiliary rocket engine

  • 1vernier rocket — vernier engine or vernier rocket, a small auxiliary rocket engine used for minute adjustments in velocity or trajectory, such as before a spacecraft soft lands or docks: »On Jan. 9, 1968, following a 66 hour flight, a large retrorocket and three… …

    Useful english dictionary

  • 2retro-rocket — noun Date: 1957 an auxiliary rocket engine (as on a spacecraft) used in decelerating …

    New Collegiate Dictionary

  • 3Rocket mail — For the webmail service that became Yahoo! Mail, see Rocketmail. The SSM N 8 Regulus cruise missile was used for one attempt to deliver mail. Rocket mail is the delivery of mail by rocket or missile. The rocket would land by deploying an internal …

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  • 4Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …

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  • 5Space Shuttle Solid Rocket Booster — The Space Shuttle Solid Rocket Boosters (SRBs) are the pair of large solid rockets used by the Space Shuttle during the first two minutes of powered flight. They are located on either side of the orange external propellant tank. Each SRB produces …

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  • 6Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …

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  • 7Viking (rocket) — The Viking 10 rocket, finally flown 7 May 1954. The Viking rocket series of sounding rockets were designed and built by the Glenn L. Martin Company (now Lockheed Martin) under the direction of the U.S. Naval Research Laboratory (NRL). Twelve… …

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  • 8Hot water rocket — A hot water rocket, or steam rocket uses water held in a pressure vessel at a high temperature, such that its saturated vapor pressure is significantly greater than ambient pressure. The water is allowed to escape as steam through a rocket nozzle …

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  • 9Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …

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  • 10Variable Specific Impulse Magnetoplasma Rocket — Artist s impression of several VASIMR engines propelling a craft through space The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electro magnetic thruster for spacecraft propulsion. It uses radio waves to ionize and heat a… …

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