Why do jet engines need a combustion chamber?

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Couldn’t the compressed air by itself make a plane fly? Or does it need that extra energy from the combustion chamber to make a plane fly?

In: Engineering

4 Answers

Anonymous 0 Comments

Without a combustion chamber it’s just a ducted propeller plane. So yes it can fly*, but not if you want to be able to travel high, fast, far, and carrying a lot of stuff.

*They could build planes around such engines. Current jets can not fly without fuel.

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