Expander Cycle (rocket) - Usage

Usage

Expander cycle engines include the following:

  • Pratt & Whitney RL10
  • Pratt & Whitney RL60
  • Vinci

Expander Bleed cycle engines include the following:

  • LE-5A / 5B

Expander cycle engines have been used in:

  • Centaur upper stage
  • DC-X planned to be the first Single Stage to Orbit Technology demonstration rocket. completed 12 test flights before destruction of the only flight vehicle in an accident.
  • Ariane 5 upper stage
  • Saturn I

Expander Bleed cycle engines have been used in:

  • H-II Second stage
  • H-IIA Second stage
  • H-IIB Second stage

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