NASA’s 3D-printed rotating detonation rocket engine (RDRE) is a big deal because it generates thrust using a supersonic combustion phenomenon known as a detonation. This means it can produce more power while using less fuel than today’s propulsion systems.
These engines have the potential to power both human landers and interplanetary vehicles to deep space destinations, including the Moon and Mars, in the near future. The full-scale RDRE prototype produced over 4,000 pounds of thrust for nearly a minute at an average chamber pressure of 622 pounds per square inch. NASA is currently developing a 10,000 pound-class RDRE, which would make over 9,920 pounds of thrust.
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The RDRE incorporates the NASA-developed copper-alloy GRCop-42 with the powder bed fusion additive manufacturing process, allowing the engine to operate under extreme conditions for longer durations without overheating,” said NASA.
