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Non-airbreathing engine used to propel a missile or vehicle
A rocket engine is a reaction engine, producing thrust in accordance with Newton's third law by ejecting reaction mass rearward, usually a high-speed jet
Rocket_engine
Rocket engine that uses liquid fuels and oxidizers
A liquid-propellant rocket or liquid rocket uses a rocket engine burning liquid propellants. (Alternate approaches use gaseous or solid propellants.) Liquids
Liquid-propellant_rocket
Type of rocket engine
The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes. It belongs to the class of
Aerospike_engine
SpaceX family of liquid-fuel rocket engines
Raptor is a family of rocket engines developed and manufactured by SpaceX. It was the first full-flow staged combustion engine to power a vehicle in flight
SpaceX_Raptor
Type of propelling nozzle
A rocket engine nozzle is a propelling nozzle (usually of the de Laval type) used in a rocket engine to expand and accelerate combustion products to high
Rocket_engine_nozzle
Proposed hybrid ramjet and rocket engine
Rocket Engine) was a concept under development by Reaction Engines Limited for a hypersonic precooled hybrid air-breathing rocket engine. The engine was
SABRE_(rocket_engine)
Reciprocating internal combustion engine
V8, also referred to as the Rocket, is a series of engines that was produced by Oldsmobile from 1949 until 1990. The Rocket, along with the 1949 Cadillac
Oldsmobile_V8_engine
Type of rocket engine
successfully testing its first full-scale rotating detonation rocket engine (RDRE). This engine produced 18 kN (4,000 lbf) of thrust. NASA has stated their
Rotating_detonation_engine
This page is an incomplete list of orbital rocket engine data and specifications. Comparison of orbital launch systems Comparison of orbital launchers
Comparison of orbital rocket engines
Comparison_of_orbital_rocket_engines
Vehicle propelled by ejection of gases
A rocket (from Italian: rocchetto, lit. ''bobbin/spool'', and so named for its shape) is an elongated flying vehicle that uses a rocket engine to accelerate
Rocket
German long-range ballistic missile
suborbital launch vehicle. The missile, powered by a liquid-propellant rocket engine, was developed during the Second World War in Nazi Germany as a "vengeance
V-2_rocket
Methalox spacecraft propulsion system
Prometheus rocket engine is an ongoing European Space Agency (ESA) development effort begun in 2017 to create a reusable methane-fueled rocket engine for use
Prometheus_(rocket_engine)
Rocket engine used on the Saturn V rocket
The F-1 is a rocket engine developed by Rocketdyne. The engine uses a gas-generator cycle developed in the United States in the late 1950s and was used
Rocketdyne_F-1
Rocket engine that uses both liquid / gaseous and solid fuel
states of matter), hybrid rockets tend to fail more benignly than liquids or solids. Like liquid rocket engines, hybrid rocket motors can be shut down easily
Hybrid-propellant_rocket
Rocket engines developed by SpaceX
four families of rocket engines — Merlin, Kestrel, Draco and SuperDraco — and since 2016 developed the Raptor methane rocket engine and after 2020, a
SpaceX_rocket_engines
American aerospace company
Florida "Space Coast". Firefly performed its first hot-fire engine test of the "Firefly Rocket Engine Research 1" (FRE-R1) on September 10, 2015. The initial
Firefly_Aerospace
Type of rocket engine which uses liquid fuel stored at very low temperatures
A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel and oxidizer; that is, both its fuel and oxidizer are gases which have been liquefied
Cryogenic_rocket_engine
Nuclear spacecraft propulsion technology
rocket (NTR) is a type of thermal rocket where the heat from a nuclear reaction replaces the chemical energy of the propellants in a chemical rocket.
Nuclear_thermal_rocket
Liquid-fueled rocket engine
liquid-propellant rocket engine designed by aerospace company Rocket Lab and manufactured in Long Beach, California. The engine is used on the company's own rocket, Electron
Rutherford_(rocket_engine)
American public spaceflight company
atmosphere transition. In November 2022, Rocket Lab cut the ribbon on an engine test facility for the Archimedes engine at NASA's Stennis Space Center. In March
Rocket_Lab
Aircraft engine that produces thrust by emitting a jet of gas
may include rocket, water jet, and hybrid propulsion, the term jet engine typically refers to an internal combustion air-breathing jet engine such as a
Jet_engine
Liquid form of rocket propellants
Many factors go into choosing a propellant for a liquid-propellant rocket engine. The primary factors include ease of operation, cost, hazards/environment
Liquid_rocket_propellant
Type of rocket engine
type of rocket engine which uses the expansion of a (typically inert) pressurized gas to generate thrust. As opposed to traditional rocket engines, a cold
Cold_gas_thruster
Chemical or mixture used in a rocket engine
Rocket propellant is used as a reaction mass ejected from a rocket engine to produce thrust. The energy required can either come from the propellants
Rocket_propellant
US Nuclear thermal rocket engine project (1956–1973)
The Nuclear Engine for Rocket Vehicle Application (NERVA; /ˈnɜːrvə/) was an American nuclear thermal rocket engine development program that ran for roughly
NERVA
Rocket engine in SpaceX Falcon launch vehicles
Merlin is a family of rocket engines developed by SpaceX. They are currently a part of the Falcon 9 and Falcon Heavy launch vehicles, and were formerly
SpaceX_Merlin
Launch vehicles developed by Astra
electric-pump-fed rocket engines, and a mass simulator meant to occupy the place of a second stage. Rocket 2 was a prototype similar to Rocket 1. Rocket 3 was a launch
Astra_Rocket
French rocket engine
rocket engines for Ariane 5 and Ariane 6. Its development began in 1988 and the first flight was completed in 1996. The updated version of the engine
Vulcain_(rocket_engine)
Liquid fueled rocket engine
liquid-fuel, upper-stage rocket engine in development[update] by Avio on behalf of European Space Agency for use on Vega E. The engine is a derivative of the
M10_(rocket_engine)
American aerospace company
New Shepard rocket and the heavy-lift New Glenn rocket. In addition to producing engines for its own rockets, Blue Origin supplies engines for other vehicles
Blue_Origin
Liquid fuel rocket engine
liquid-fuel rocket engine burning liquid oxygen and liquid methane in an oxidizer-rich staged combustion cycle. It is designed by aerospace company Rocket Lab
Archimedes_(rocket_engine)
Rocket engines for maneuvering
A vernier thruster is a rocket engine used on a spacecraft or launch vehicle for fine adjustments to the attitude or velocity. Depending on the design
Vernier_thruster
Indian rocket engine
The Vikas engine (a portmanteau from initials of VIKram Ambalal Sarabhai ) is a family of hypergolic liquid fuelled rocket engines conceptualized and designed
Vikas_(rocket_engine)
Rocket engine operation method
preburner cycle, or closed cycle) is a power cycle of a bipropellant rocket engine. In the staged combustion cycle, propellant flows through multiple combustion
Staged_combustion_cycle
Soviet super heavy-lift launch vehicle (1965–1972)
eight and four hot staged engines respectively, planned to bring the rocket to low Earth orbit. Dangers of the complex engine cluster and fuel feeder systems
N1_(rocket)
Major component of a liquid rocket engine
A liquid rocket engine powerhead (or powerpack) is the collective term for the section of a rocket engine consisting of turbopumps, preburners / gas generators
Powerhead_(rocket_engine)
Form of electric spacecraft propulsion
during the 1960s and in 1964, and the engine was sent into a suborbital flight aboard the Space Electric Rocket Test-1 (SERT-1). It successfully operated
Ion_thruster
Aircraft which uses a rocket engine for propulsion
A rocket-powered aircraft or rocket plane is an aircraft that uses a rocket engine for propulsion, sometimes in addition to airbreathing jet engines. Rocket
Rocket-powered_aircraft
European rocket engine for upper stages
Vinci is a restartable, cryogenic, liquid-propellant rocket engine that powers the upper stage of Ariane 6. While development began in 1998 for the planned
Vinci_(rocket_engine)
Space Shuttle and SLS main engine
The RS-25, also known as the Space Shuttle Main Engine (SSME), is a liquid-fuel cryogenic rocket engine that was used on NASA's Space Shuttle and is used
RS-25
American launch vehicle manufacturer
Beach, California. Relativity Space is developing launch vehicles, rocket engines, and manufacturing technologies for commercial orbital launch services
Relativity_Space
Rocket engine
rocket engine designed and manufactured by Rocket Lab. A bipropellant is used for the propulsion of the third stage/kick stage of the Electron rocket
Curie_(rocket_engine)
Two-stage small launch vehicle, 200-300 kg to LEO
Rutherford engines are the first electric-pump-fed engine to power an orbital-class rocket. Electron is often flown with a kickstage or Rocket Lab's Photon
Rocket_Lab_Electron
Engines used in EU rocket Ariane
The Viking rocket engines were members of a series of bipropellant engines for the first and second stages of the Ariane 1 through Ariane 4 commercial
Viking_(rocket_engine)
American rocket engine design and production company
Rocketdyne was an American rocket engine design and production company headquartered in Canoga Park, in the western San Fernando Valley of suburban Los
Rocketdyne
Launch vehicle platform by American aerospace company Long Wall
launch vehicle platform. Both stages are powered by the company's E2 rocket engine, with nine (Block 1) to eleven (Block 2) in the first stage, and one
RS1_(rocket)
1950s supersonic intercontinental cruise missile
the allied forces. Jet engines were already widely used after their introduction in the UK, but the V-1 flying bomb and V-2 rocket represented technologies
SM-64_Navaho
Rocket with a motor that uses solid propellants
solid-propellant rocket or solid rocket is a rocket with a rocket engine that uses solid propellants (fuel/oxidizer). The earliest rockets were solid-fuel rockets powered
Solid-propellant_rocket
First South Korean orbital launch vehicle developed domestically
mass of 52.1 tons. The main-stage liquid rocket propellant engine was fully gimballed. With the 2nd stage engine installed, the two-stage version of TLV
Nuri_(rocket)
American private rocket engine and spaceflight development company
XCOR Aerospace was an American private spaceflight and rocket engine development company based at the Mojave Air and Space Port in Mojave, California
XCOR_Aerospace
Thrust produced by ejecting a jet of fluid
aircraft propulsion, the pump-jet used for marine propulsion, and the rocket engine and plasma thruster used for spacecraft propulsion. Underwater jet propulsion
Jet_propulsion
Liquid fuel cryogenic rocket engine, typically used on rocket upper stages
The RL10 is a liquid-fuel cryogenic rocket engine built in the United States by Aerojet Rocketdyne that burns cryogenic liquid hydrogen and liquid oxygen
RL10
1960s American crewed suborbital rocket
monitoring the rocket's performance during flight. If it detected an anomaly which might threaten the astronaut, such as loss of flight control, engine thrust
Mercury-Redstone Launch Vehicle
Mercury-Redstone_Launch_Vehicle
Most common type of rocket, used to launch satellites
A multistage rocket or step rocket is a launch vehicle that uses two or more rocket stages, each of which contains its own engines and propellant. A tandem
Multistage_rocket
Electrothermal thruster in development
eliminating electrode erosion, a major source of wear in ion engines. Compared to traditional rocket engines with very complex plumbing, high performance valves
Variable Specific Impulse Magnetoplasma Rocket
Variable_Specific_Impulse_Magnetoplasma_Rocket
Indian spaceflight company
small-lift launch vehicle. The rocket will use an upper stage cryogenic engine powered by the Dhawan-series rocket engine. The Kalam-100 (named after A
Skyroot_Aerospace
Canadian aerospace company
SHARP Arrow unmanned aircraft, the SHARP Sabre rocket-based platform, and the M2S-HyRock rocket engine. In August 2025, the company broke ground on the
NordSpace
US NASA & DOD program 2000-2002
Booster for Reusable Applications". The RS-83 was a rocket engine design for a reusable LH2/LOX rocket larger and more powerful than any other. The RS-83
Space_Launch_Initiative
Type of rocket pack
Rocket Belt is a low-power rocket propulsion device that allows an individual to safely travel or leap over small distances. It is a type of rocket pack
Bell_Rocket_Belt
Pump driven by a gas turbine
chamber of a rocket engine. While they have considerably higher design complexity, turbopump fed systems scale much more favorably in large rockets than pressure-fed
Turbopump
Family of rocket stages which can be used as a space tug
rocket. Earlier Common Centaurs were propelled by the RL10A-4-2 version of the RL10. From 2014 to 2026, Common Centaur flew with the RL10C-1 engine,
Centaur_(rocket_stage)
Japanese medium-lift launch vehicle
(MHI). A hydrolox-fuelled rocket, it is the successor to the H-IIA and H-IIB launch vehicles. The H3 uses the LE-9 main engine, which was designed to be
H3_(rocket)
NASA low cost rocket engine design
Fastrac was a turbo pump-fed, liquid rocket engine. The engine was designed by NASA as part of the low cost X-34 Reusable Launch Vehicle (RLV) and as
Fastrac_(rocket_engine)
Rocket engine manufactured by Skyroot Aerospace
The Raman engine is a bipropellant liquid-fuel rocket engine manufactured by Skyroot Aerospace that will be used in its Vikram family of rockets. It is named
Raman_(rocket_engine)
In development multistage small launch vehicle
second stage will use a vacuum-optimised version of the Helix engine. The Helix engine uses rocket grade kerosene, known as RP-1, fuel and liquid oxygen oxidizer
RFA_One
Location where rocket engines may be tested on the ground, under controlled conditions
A rocket engine test facility is a location where rocket engines may be tested on the ground, under controlled conditions. A ground test program is generally
Rocket_engine_test_facility
Rocket that burns 3 propellants at once or 2 fuels with an oxidizer, sequentially
been flown. There are two different kinds of tripropellant rockets. One is a rocket engine which mixes three separate streams of propellants, burning
Tripropellant_rocket
Rockets that use supersonic exhaust to create additional acceleration
Air-augmented rockets use the supersonic exhaust of some kind of rocket engine to further compress air collected by ram effect during flight to use as
Air-augmented_rocket
Type of engine
an equal, but opposite, reaction force." Examples include jet engines, rocket engines, pump-jets, and more uncommon variations such as Hall effect thrusters
Reaction_engine
Unguided air-to-surface rocket
The RP-3 (from Rocket Projectile 3 inch) was a British air-to-ground rocket projectile introduced during the Second World War. The "3 inch" designation
RP-3
Land vehicle propelled by a rocket engine
A rocket car is a land vehicle propelled by a rocket engine. A rocket dragster is a rocket car used for competing in drag racing, and this type holds the
Rocket_car
Astronaut training aircraft conversion
between 1963 and 1971. The modifications included a small supplementary rocket engine and a reaction control system for flight in the stratosphere. During
Lockheed_NF-104A
Jet engine where combustion takes place in supersonic airflow
Organisation (DSTO), announced a successful scramjet flight at Mach 10 using rocket engines to boost the test vehicle to hypersonic speeds. A series of scramjet
Scramjet
Liquid-fuel rocket engine (Atlas booster)
liquid-fueled rocket engine developed in the 1950s by Rocketdyne, a division of North American Aviation. It was designed to serve as a booster engine the Atlas
LR89
Dimensionless ratio of thrust to weight of a propelled vehicle
thrust to weight of a reaction engine or a vehicle with such an engine. Reaction engines include jet engines, rocket engines, pump-jets, Hall-effect thrusters
Thrust-to-weight_ratio
Machine that converts one or more forms of energy into mechanical energy (of motion)
locomotive engine Spacecraft propulsion engines such as Rocket engine Traction engine Aircraft engine Automobile engine replacement Electric motor Engine cooling
Engine
Supersonic atmospheric jet engine
Merkulov did further ramjet tests using a two-stage rocket, the R-3. He developed the first ramjet engine for use as an auxiliary motor of an aircraft, the
Ramjet
Type of electric propulsion
expected to be conducted in 2016. Plasma engines have a much higher specific impulse (Isp) than most other types of rocket technology. The VASIMR thruster can
Plasma_propulsion_engine
Rocket engine operation method
The electric-pump-fed engine is a bipropellant rocket engine in which the fuel pumps are electrically powered, and so all of the input propellant is directly
Electric-pump-fed_engine
Soviet launch vehicle
orbiter in 1988. The RD-170 engine used on the vehicle's strap-on boosters was at the time the most powerful rocket engine to use liquid fuel, and scaled-down
Energia_(rocket)
Partially-reusable medium-lift launch vehicle
by 9 oxygen-rich staged-combustion CH4/LOx ("methalox") Archimedes rocket engines. The second stage of Neutron is completely contained within the Hungry
Rocket_Lab_Neutron
Russian rocket engine
Двигатель-180 (РД-180), romanized: Raketnyy Dvigatel-180, lit. 'Rocket Engine-180') is a rocket engine that was designed and built in Russia. It features a dual
RD-180
Rocket engine using oxidizer-rich staged combustion, 2.2 MN thrust
combustion cycle rocket engine project. The engine was conceived in 2014, and received US government funding to build a prototype engine in 2016. By 2018
Aerojet_Rocketdyne_AR1
Steam locomotive by Robert Stephenson in 1829
improved locomotives would be more efficient than stationary steam engines. Rocket was designed and built by Robert Stephenson in 1829, and built at the
Stephenson's_Rocket
Norwegian-Finnish aerospace and defence company
aerospace and defence group specialized in production of ammunition, rocket engines and space applications. The company has subsidiaries in Finland, Germany
Nammo
Aerospace manufacturer in Colorado, US
founded in 2015 and based in Berthoud, Colorado. The company produces rocket engines for customers in the space launch and hypersonics industries, and the
Ursa_Major_Technologies
Soviet (now Russian) rocket engine, the most powerful in the world
romanized: Raketnyy Dvigatel-170, lit. 'Rocket Engine-170') is the world's most powerful and heaviest liquid-fuel rocket engine. It was designed and produced in
RD-170
Hypothetical type of spacecraft
spacecraft engine using a gaseous fission reactor to achieve nuclear propulsion. Specifically, it would be a type of gas core reactor rocket that uses
Nuclear_lightbulb
A rocket turbine engine is a combination of two types of propulsion engines: a liquid-propellant rocket and a turbine jet engine. Its power-to-weight ratio
Rocket_turbine_engine
A radioisotope rocket or radioisotope thermal rocket is a type of thermal rocket engine that uses the heat generated by the decay of radioactive elements
Radioisotope_rocket
Type of spacecraft
reaction mass, energy, and engines with it. No known technology can bring a rocket to relativistic speed. Relativistic rockets require huge advances in
Relativistic_rocket
Type of rocket engine fuel
is away from large hypergolic rocket engines and toward hydrogen/oxygen engines or methane/oxygen and RP-1/oxygen engines for various advantages and disadvantages
Hypergolic_propellant
Type of spacecraft
high-pressure rocket engine combustion chambers and the entire mechanical spaceframe and integral propellant tanks for a small satellite. A 3D printed rocket engine
3D-printed_spacecraft
United States historic place
Rocket Engine Test Facility was the name of a facility at the NASA Glenn Research Center, formerly known as the Lewis Research Center, in Ohio. The purpose
Rocket_Engine_Test_Facility
Orbital recoverable launch vehicle of the European company ArianeGroup
methane-fueled rocket engine development project. ArianeGroup plans to use Prometheus first on the smaller, partially reusable Maia rocket, developed by
Ariane_Next
NASA rocket engine testing facility in Mississippi
Mississippi–Louisiana border. As of 2012[update], it is NASA's largest rocket engine test facility. There are over 50 local, state, national, international
Stennis_Space_Center
Mathematical equation describing the motion of a rocket
The classical rocket equation, Tsiolkovsky rocket equation, or ideal rocket equation is a mathematical equation that describes the motion of vehicles
Tsiolkovsky_rocket_equation
Hydrogen-oxygen rocket engine for the Delta IV
The RS-68 (Rocket System-68) was a liquid-fuel rocket engine that used liquid hydrogen (LH2) and liquid oxygen (LOX) as propellants in a gas-generator
RS-68
United Launch Alliance launch vehicle
reducing hydrocarbon buildup in engines, which would facilitate refurbishment under the proposed SMART reuse system. The rocket's second stage, the Centaur
Vulcan_Centaur
Rocket engine operation method
The pressure-fed engine is a class of rocket engine designs. A separate gas supply, usually helium, pressurizes the propellant tanks to force fuel and
Pressure-fed_engine
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ROCKET ENGINE
ROCKET ENGINE
Surname or Lastname
English
English : variant of Rock 2.
Boy/Male
English American
Rock.
Surname or Lastname
English
English : variant of Rocker.
Boy/Male
American, Australian, British, Chinese, Christian, Danish, English, German, Italian
Dweller by the Rock; From the Rock Fortress; Stone Camp; Rest
Surname or Lastname
English (Devon)
English (Devon) : unexplained.
Boy/Male
English American
Rock.
Male
German
Low German form of Old High German Ricohard, RICKERT means "powerful ruler."
Male
English
Variant spelling of English Ricky, RICKEY means "powerful ruler."
Boy/Male
French
Rock.
Boy/Male
French, German, Hebrew, Italian
Rest; Rock
Boy/Male
American, Australian, British, English, French, German, Italian, Jamaican
Rock; Form of Rockne; From the Rock Fortress; Stone Camp; Rest
Surname or Lastname
English (Devon and Somerset)
English (Devon and Somerset) : from a diminutive of Cocke.
Surname or Lastname
German (also Rücker)
German (also Rücker) : nickname from Middle High German rucken ‘to move or draw’.North German : nickname from Middle Low German rucker ‘thief’, ‘greedy or acquisitive person’.German : from a reduced form of the Germanic personal name Rudiger.English : variant of Rocker.
Boy/Male
British, English, Jamaican
From the Rock Meadow; Rocky Field
Surname or Lastname
English
English : variant spelling of Rock.German (Röcke) : variant of Rock 4.
Surname or Lastname
English
English : occupational name for a spinner or a maker of distaffs, from an agent derivative of Middle English rok ‘distaff’ (see Rock).German : from a Germanic personal name based on hrÅd ‘renown’.habitational name from a farm named Rokken in Pustertal, south Tyrol (Italy).German (Röcker) : from a topographic name or a place name Röcke (formerly Roke) near Bückeburg, Lower Saxony.
Boy/Male
British, English
From the Rock Meadow
Boy/Male
French
Rock.
Boy/Male
British, English
From the Rock Meadow
Surname or Lastname
English
English : variant of Roke, a topographic name for someone who lived near an oak tree (see Oak), from a misdivision of Middle English atter oke ‘at the oak’. Roke in Oxfordshire and Rock in Worcestershire are named in this way, and so the surname may be habitational in some cases.English : possibly a variant of Rock 1.
ROCKET ENGINE
ROCKET ENGINE
ROCKET ENGINE
ROCKET ENGINE
ROCKET ENGINE
ROCKET ENGINE
ROCKET ENGINE
v. t. & i.
To knit with a crochet needle or hook; as, to crochet a shawl.
v. t.
To mark with a ticket; as, to docket goods.
n.
Crockets. See Crocket.
n.
One who rocks; specifically, one who rocks a cradle.
v. i.
To make a confused noise or racket.
v. t.
To tether to, or as to, a picket; as, to picket a horse.
n.
A chair mounted on rockers; a rocking-chair.
a.
Affected with rickets.
v. t.
To put a jacket on; to furnish, as a boiler, with a jacket.
v. i.
To play at cricket.
n.
A play horse on rockers; a rocking-horse.
n.
A skate with a curved blade, somewhat resembling in shape the rocker of a cradle.
imp. & p. p.
of Rocket
v. t.
To put, or conceal, in the pocket; as, to pocket the change.
n.
Rocket larkspur. See below.
n.
An artificial firework consisting of a cylindrical case of paper or metal filled with a composition of combustible ingredients, as niter, charcoal, and sulphur, and fastened to a guiding stick. The rocket is projected through the air by the force arising from the expansion of the gases liberated by combustion of the composition. Rockets are used as projectiles for various purposes, for signals, and also for pyrotechnic display.
v. t.
To strike with, or as with, a racket.
v. t.
To enter or inscribe in a docket, or list of causes for trial.
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