PPRuNe Forums - jet engines at hi alt

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lightoutandarmed

31st May 2002 01:28

jet engines at hi alt

...why are jet engines more efficient at hight altitude?
thanks

Checkboard

31st May 2002 03:57

Hello, lightoutandarmed, welcome to Tech Log!

This subject has been discussed a few times before, so you will find a fairly good technical explanation on the "Why are jet engines more fuel efficient at high altitude?" thread.

As well as that, there is an interesting discussion on the "Why don't jets fly higher?" thread that you may find useful.

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