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Why do new jet engines cost billions to design?

This is a great question! You hear this kind of question a lot on different subjects. the closer you look, the more you see the answer. There are some great comments here already, so I'll just add a ...
Steve's user avatar
  • 101
2 votes

Can you augment turbofan thrust using steam injected into the bypass?

I don't think there would be a benefit to water injection in the fan stream. Water injection in the core stream can be beneficial. When the water converts to steam in the combustor, it absorbs a ton ...
Rob McDonald's user avatar
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