Booster Rocket

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booster rocket

[′büs·tər ‚räk·ət]
(aerospace engineering)
Also known as booster.
A rocket motor, either solid-or liquid-fueled, that assists the normal propulsive system or sustainer engine of a rocket or aeronautical vehicle in some phase of its flight.
A rocket used to set a vehicle in motion before another engine takes over.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Booster Rocket


an auxiliary rocket engine mounted on an aircraft or missile and used to boost acceleration during launch. Booster rockets have operating times substantially shorter than that of the main engine and high ratios of thrust to the launch weight of the vehicle (for booster rockets on missiles). Solid-propellant rocket engines with up to several tens of kilonewtons of thrust and operating times up to several seconds are usually used as booster rockets; liquid-propellant rocket engines are also used, but rarely. Booster rockets are used for airplanes, high-altitude research rockets, and winged rockets. The engines of the first stages of launch vehicles are often called booster rockets if they are constructed in unit with later stages.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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