Eli5, what’s the difference between ramjet, scramjet, and turbojet?

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I’m an aviation nut but for the love of me I can’t find an explanation that makes sense to me

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Anonymous 0 Comments

Jet engines require air to be squeezed tightly before being mixed with fuel, and being ignited and going “boom” and shooting out the back to make the aircraft go.

In a turbojet, there is a fan inside of the engine that spins really fast to squeeze the air.

A ramjet does not have a fan inside of the engine to squeeze the air. Rather, it uses the speed of the aircraft already moving very fast to squeeze the air when it hits the engine.

A scramjet is a type of ramjet, where the air is moving faster than the speed of sound when it is squeezed and mixed with the fuel to go “boom”.

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