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China has tested a new "adaptive-cycle jet engine"

Aerospace News 🛫
China has tested a new adaptive-cycle jet engine that promises unprecedented thrust, efficiency, and speed up to Mach 4. The engine, developed by the Institute of Engineering Thermophysics, can reportedly deliver 27–47% more thrust while cutting fuel use by nearly a third. Unlike traditional engines, this “shape-shifting” design adjusts airflow dynamically, acting as both a turbofan (efficient at low speeds) and a turbojet (powerful at high speeds).

If proven, this breakthrough could mark a major step in next-generation aerospace propulsion, with potential applications in faster, stealthier, and more fuel-efficient aircraft.

📌 Source: Interesting Engineering