The startup Hermeus is rapidly developing a hypersonic plane. They have begun testing their proprietary precooler technology with the Pratt & Whitney F100 engine. This video highlights some of our favorite camera angles from testing. What’s a precooler and why are they testing it? The Hermeus precooler increases the maximum speed of the turbine engine ...

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Link :
https://www.nextbigfuture.com/2024/08/precooled-f-100-engine-combined-with-ramjet-for-hypersonic-drone-and-jets.html