The Junker J-13 was the world’s first all metal planeIn 1919, the world’s first all metal airplane was developed by Germany. Junkers adopted the thick wing, which produced greater lift. This all-metal structure had a high degree of streamlining, which launched both global air transport and mass production of the airplane.
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The invention of jet airplane has made commercial flights possible1939 – The first jet engine is invented by Hans Von Ohain of Germany. The plane sucks in air at the front and blasts out hot exhaust gases at the back which made airplanes fly faster, further and more efficiently which paved the foundation for commercial flights in the time to come.
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The Bell X-1 became the first supersonic airplane1947 – The Bell X-1 is invented.
This airplane was the first supersonic airplane that flew faster than the speed of sound (could reach speed up to 700 MPH). From this achievement, engineers now knew that planes could travel as fast as the speed of sound and beyond. |