The J58 is an American afterburning turbojet engine that powered the Lockheed SR-71 and its predecessors, the A-12 and YF-12 aircraft. Its unique design allows it to function as a "turbo-ramjet" at high speeds, incorporating a bypass system with six ducts to redirect airflow from the fourth stage of the compressor to the afterburner. This feature enables continuous high-performance operation at speeds over Mach 3 by boosting thrust and cooling the engine.
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- engine, jet engine, jet motor
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