Turbopump
![The V-2 rocket used a circular turbopump to pressurize the propellant.](/Images/godic/202502/18/Rocket_engine_A4_V22601.jpg")
![In centrifugal turbopumps a rotating disk throws the fluid to the rim](/Images/godic/202502/18/Centrifugal_22602.png")
![Axial compressors](/Images/godic/202502/18/Axial_compressor2602.gif")
A turbopump is a propellant pump with two main components: a rotodynamic pump and a driving gas turbine, usually both mounted on the same shaft, or sometimes geared together. The purpose of a turbopump is to produce a high pressure fluid for feeding a combustion chamber or other use.