// ORBITAL LOGISTICS AND PROPULSION TERM

Rocket Engine

A rocket engine is a type of jet engine that carries both its fuel and oxidizer, allowing it to operate in space where there's no air. It generates thrust by expelling hot gases at high speed.

Rocket Engine — illustration from Wikipedia
Image via Wikipedia

TECHNICAL DEFINITION

A rocket engine is a reaction engine that generates thrust by expelling high-velocity exhaust fluid, typically produced by the combustion of propellants carried entirely onboard, enabling operation in both atmospheric and vacuum environments.

BACKGROUND

Skyroot Aerospace Private Limited is a private Indian aerospace manufacturer and commercial launch service provider headquartered in Hyderabad, Telangana. The company was founded by former engineers and scientists from ISRO.

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SYNONYMS & ALIASES

  • rocket motor
  • thrust engine
  • propulsion unit

USAGE NOTE

Modern rocket engines are highly complex machines, balancing power, efficiency, and reliability.

DEVELOPERS

Organizations developing technology related to Rocket Engine.

  • SpaceX

    Develops and manufactures the Merlin, Kestrel, and Raptor rocket engines for its Falcon and Starship launch vehicles.

  • Blue Origin

    Developing the BE-3 and BE-4 rocket engines for its New Shepard and New Glenn launch vehicles, and supplying BE-4 to ULA's Vulcan Centaur.

  • Aerojet Rocketdyne

    A leading American manufacturer of rocket, hypersonic, and electric propulsion systems, including the RS-25 and RL10 engines, for space, missile defense, and strategic systems.

  • Rocket Lab

    Known for its innovative Rutherford engine, which uses electric turbopumps, for the Electron launch vehicle, and developing the Archimedes engine for Neutron.

  • ArianeGroup

    A European joint venture that develops and manufactures propulsion systems, including the Vulcain and Vinci engines for the Ariane family of launch vehicles.

  • Relativity Space

    Developing and manufacturing the Aeon engine, which is largely 3D-printed, for its Terran 1 and Terran R launch vehicles.

  • Launcher

    Developing the E-2 liquid rocket engine, designed for high performance and low cost, for its own launch vehicles and as a standalone product.

  • Mitsubishi Heavy Industries (MHI)

    Develops and manufactures propulsion systems, including the LE-7A and LE-5B engines, for Japan's H-IIA, H-IIB, and H3 launch vehicles.

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