Part 1 of Essay
The jet engine is a complex propulsion device which draws in air by means of an intake, compresses it, heats it by means of an internal combustion engine, which when expelled it turns a turbine to produce thrust, resulting in a force sufficient enough to propell the aircraft in the opposite direction (Morgan 67). When the ....

Part 2 of Essay
.... designing there own jet engine and aircraft which would be one of the factors that kept Germany alive in World War II. With technological advances by the allies a prototype turbojet known as the "Heinkel He 178" came into a few operational squadrons in the German, British, and the American air forces towards the end of World War II. These jets finally helped the allies to win the war against the axis powers(Smith 23-27). A later development in the jet industry was the overcoming of the sound barrier and es ....