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Everything about RL60

Planned US hydrolox rocket engine, intended to replace the RL10

The RL60 was a planned liquid-fuel cryogenic rocket engine designed in the United States by Pratt & Whitney, burning cryogenic liquid hydrogen and liquid oxygen propellants. The engine runs on an expander cycle, running the turbopumps with waste heat absorbed from the main combustion process. This high-efficiency, waste heat based combustion cycle combined with the high-performance liquid hydrogen fuel enables the engine to reach a very high specific impulse of up to 465 seconds in a vacuum. The engine was planned to be a more capable successor to the Aerojet Rocketdyne RL10, providing improved performance and efficiency while maintaining the installation envelope of the RL10. Wikipedia →

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  1. Read the overview: RL60A 5-minute orientation
  2. Pick up a classic book: Cosmeceuticals and Cosmetic IngredientsThe most-reprinted book on the subject
  3. Go sideways: MARC-60A closely related topic
  4. Go sideways: Expander cycleA closely related topic

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