The ram-rotor detonation engine: A new era of hypersonic propulsion

A self-propagating series of explosions, contained between the blades of a high-speed rotor, promises a leap in power and efficiency during hypersonic flight – provided this radical new engine can be built strong enough to withstand its own power.

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https://newatlas.com/aircraft/ram-rotor-detonation-engine-hypersonic-propulsion/