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[[File:Gimbaled thrust animation.gif|thumb|right|Animation of the motion of a rocket as the nozzle is gimbaled]] '''Gimbaled thrust''' is the system of [[thrust vectoring]] used in most [[rocket]]s, including the [[Space Shuttle program|Space Shuttle]], the [[Saturn V]] ...

...ated ignition and [[RSLS Abort]] (automated shutdown of the orbiter's main engines). Following the simulated abort, the flight crew was briefed on emergency e ...not simulate an engine shutdown, as it is impossible to shut down a solid rocket after it has been lit. ...

...erospace engineering]], concerning [[aircraft design process|aircraft]], [[rocket]] and [[spacecraft propulsion|spacecraft]] design, '''overall propulsion sy Most aerospace vehicles are propelled by heat engines of some kind, usually an internal combustion engine. The efficiency of a he ...

...t]] using propellant or a [[jet engine]] using fuel, generates thrust. For engines like [[cold gas thruster]]s whose reaction mass is only the fuel they carry ...2013 |website=[[Ars Technica]] |date=14 April 2013 |quote=The measure of a rocket's fuel effectiveness is called its specific impulse (abbreviated as 'ISP'—o ...

{{short description|Type of rocket engine that maintains its aerodynamic efficiency across a wide range of alt ...SIAC Journals|volume=4|issue=4|access-date=June 16, 2019}}</ref> Aerospike engines were proposed for many [[single-stage-to-orbit]] (SSTO) designs. They were ...

...2</ref> "Flight" gives examples of these internal forces for two early jet engines, the [[Rolls-Royce Avon]] Ra.14<ref>{{cite web|url=https://www.flightglobal ...he net thrust of the engine. Consequently, the thrust characteristics of a rocket motor are different from that of an air breathing jet engine, and thrust is ...

...the propelling jet of a [[jet engine]], or by ejecting hot gases from a [[rocket engine]].<ref>{{cite web|url=https://www.grc.nasa.gov/WWW/k-12/airplane/new ...rocket engine nozzle. This is the [[exhaust velocity]] with respect to the rocket, times the time-rate at which the mass is expelled, or in mathematical term ...

...sionless quantity|dimensionless]] ratio of [[thrust]] to [[weight]] of a [[rocket]], [[jet engine]], [[Propeller (aircraft)|propeller]] engine, or a vehicle ...For valid comparison of the initial thrust-to-weight ratio of two or more engines or vehicles, thrust must be measured under controlled conditions. ...

...engine]]s (e.g. [[turbojet]]s, [[turbofan]]s, [[ramjet]]s, [[rocket engine|rocket]]s, etc.) is the mass of [[fuel]] needed to provide the net thrust for a gi Specific fuel consumption of air-breathing jet engines at their maximum efficiency is more or less proportional to exhaust speed. ...

...t description|Synergetic Air Breathing Rocket Engine - a hybrid ramjet and rocket engine}} {{Infobox rocket engine ...

| name = Rotary Rocket Company | logo = Rotary-Rocket-logo.png ...

...thrust vector control''' ('''TVC'''), is the ability of an [[aircraft]], [[rocket]] or other vehicle to manipulate the direction of the [[thrust]] from its [ ...rcraft)|attitude control]]. Exhaust vanes and [[Gimbaled thrust|gimbaled]] engines were used in the 1930s by [[Robert H. Goddard|Robert ...

...of the [[Space Shuttle]]'s two [[Space Shuttle Solid Rocket Booster|Solid Rocket Boosters]] was {{convert|14.7|MN|lbf|order=flip|lk=out}}, together {{conver ...

...s of their own. For example: the 15% efficiency advantage of Soviet rocket engines which used [[NK-33#Combustion Chamber Design|exhaust gases to power the fue ...

...(being long-ranged, yet also slowest in flight); however, these also have engines that are capable of driving a more conventional generator. ...nerators, driven directly by a turbine rotor that is powered by either the rocket motor's exhaust, or else a dedicated [[gas generator]].<ref name="Brasseys, ...

...stion/electronics/q0219.shtml |title=400 Hz Electrical Systems |work=Ask a Rocket Scientist |publisher=Aerospaceweb.org}}</ref> APUs can provide power throug ...t of both World War II-era German [[BMW 003]] and [[Junkers Jumo 004]] jet engines (pullcord starter variant shown).]] ...

Potential applications include [[Nuclear electric rocket|nuclear electric propulsion]] and a steady electricity supply for crewed or ...The test evaluated failure scenarios including shutting down the Stirling engines, adjusting the control rod, thermal cycling, and disabling the heat-removal ...

...Some [[constant-speed propeller]]s, such as those of the [[Argus As 410]] engines used in the [[Focke-Wulf Fw 189]], used a propeller turbine on the [[spinne Modern aircraft generate power in the main engines or an additional fuel-burning [[turbine engine]] called an [[auxiliary powe ...

...ce (and even eventually to the [[Moon]]). The development of this peaceful rocket technology paralleled the development of [[intercontinental ballistic missi ...ul purposes; for example, for commercial satellite launching or [[Sounding rocket|scientific purposes]]. However, even genuinely peaceful rockets may be conv ...

...tal and pottery shards, and finally large gunpowder-propelled arrows and [[rocket]] weaponry.<ref name=pingyu/>{{rp|220–221}} Eventually, perishable bamboo ...} Furthermore, the Song employed the earliest known gunpowder-propelled [[rocket]]s in warfare during the late 13th century,<ref name=pingyu/>{{rp|477}} its ...