In the early days of the jet age, turbine engines delivered revolutionary power but were famously unreliable. During the test program for the Bell P-59 Airacomet, America's first jet fighter, in the early 1940s, it was not uncommon for ground crews to replace one or both engines between each flight. Today, turbine engines are not only incredibly powerful, but they have become so reliable that many models have inflight shutdown rates approaching once in one million flight hours. They simply ...


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