In this video, you'll see the different types of engines and propulsion systems used for aircraft, my favorite ones: Turbojet ...

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections of the planet. Everything from cars to planes relies on engines, but they ...

They were designed with its Noyron Large Computational Engineering Model and 3D printed with a high-temperature copper alloy.

I think you need to do some background reading. I'd suggest looking at the first two or three sections of this page on types of rocket engines. Stop at pressure-fed engines; the details of the ...