The InRoDES project, led by engineers at NASA's Marshall Space Flight Center, successfully tested the initial thrust chamber assembly configuration for the first time. The engine, capable of generating up to 10,000 pounds of thrust, uses detonation combustion to burn liquid propellants, showing promising potential for future space missions.
InRoDES project will be a test under vacuum, then transfer of the technology to industry for their own individual missions. December 2025 – Engineers at NASA ’s Marshall Space Flight Center in Huntsville, Alabama, successfully test fired a rotating detonation thrust chamber assembly .
The engine combustor fired for just over 340 seconds, allowing teams to successfully test the initial thrust chamber assembly configuration for the first time as part of the Integrated Rotating Detonation Engine System project. The InRoDES engine is a lightweight propulsion system that uses liquid methane and liquid oxygen to power its innovative rotating detonation combustion chamber. Capable of 5,000 to 10,000 pounds of thrust, InRoDES is a planetary lander engine.
The thrust chamber assembly tested September 2025 uses detonation combustion to burn liquid propellants, creating the rocket engine’s thrust. Such technologies can increase efficiency and enhance capabilities for long-duration spaceflight helping enable technology solutions as NASA prepares to send astronauts to the Moon and pave the way to human exploration on Mars.
From Earth orbit to the Moon and Mars, explore the world of human spaceflight with NASA each week on the official podcast of the Johnson Space Center in Houston, Texas. Listen to in-depth conversations with the astronauts, scientists and engineers who make it possible.
NASA Marshall Space Flight Center Inrodes Rotating Detonation Engine System Planetary Lander Engine Revolutionary Propulsion System Liquid Methane Liquid Oxygen Moon Mars Long-Duration Spaceflight Thrust Chamber Assembly Engine Design Space Missions Podcast
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