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

Eighty-five years ago today, the first prototype turbojet aircraft, the He 178, was test-flown only days before Germany invaded Poland to start World War II. The plane could fly for only six minutes.

Building a jet engine yourself likely wouldn't be very easy, but the basic principle of how a jet engine works is fairly simple. Your average jet engine uses a series of fans to inhale air. That air ...