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Turbojet
jet engine / From Wikipedia, the free encyclopedia
A turbojet is a kind of jet engine that works by squeezing air into a small space, mixing it with fuel, and setting it on fire.[1][2] The mixture of fuel and air goes out the back of the engine and pushes it forward. As it leaves the engine it spins a turbine which turns a gas compressor at the front which sucks in more air and compresses it.
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Turbofan engines are more complex. They are more common today because they can make more power, for the same amount of fuel, than a turbojet.[2] They also make less noise. Supersonic aircraft still use the simpler kind.