ELI5: Explain Like I'm 5

Vortex engine

A vortex engine is a type of engine used in some types of vehicles. It works by using spinning air, or a 'vortex', to create thrust. The engine has several fans in it that spin in a circle, creating a powerful wind. This wind is used to push the vehicle forward. It is like a big fan pushing air out of the back of the vehicle, which makes it move.
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