#jet_engine__jetengine  a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion
  supertype:  #reaction-propulsion_engine__reaction_engine  a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream
  part:  #rotor
  part of:  #jet-propelled_plane
  subtype:  #ramjet_engine__ramjet__atherodyde__athodyd__flying_drainpipe  a simple type of jet engine; must be launched at high speed
  subtype:  #rocket_engine__rocket  a jet engine containing its own propellant and driven by reaction propulsion
     subtype:  #takeoff_booster__takeoffbooster__booster__booster_rocket__boosterrocket__booster_unit__boosterunit__multistage_rocket__takeoff_rocket__takeoffrocket  the first stage of a multistage rocket
     subtype:  #nuclear_rocket__nuclearrocket  a rocket engine in which a nuclear reactor is used to heat a propellant
     subtype:  #retrorocket  a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course
     subtype:  #space_rocket__spacerocket  a rocket powerful enough to travel into outer space
     subtype:  #thruster  a small rocket engine that provides the thrust needed to maneuver a spacecraft
  subtype:  #turbojet_engine__turbojet__turbofan__turbofan_engine  jet engine in which a turbine drives air to the burner

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