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Jet engine

Adapted from Wikipedia · Explorer experience

Illustration showing the airflow of a jet engine during take-off, helping to explain how airplanes fly.

Jet Engines

Jet engines are special machines that help airplanes fly. They work by pushing out a fast stream of heated air, which makes the plane move forward. This is called thrust. Most jet engines today are called turbofans. They are very good for flying long distances.

Jet engines take in air, mix it with fuel, and burn it to create a strong flow of exhaust. This makes airplanes fly faster and farther than ever before. In the 1950s, jet engines made about 5,000 pounds of thrust. By the 1990s, some could make more than 115,000 pounds of thrust! This helped airplanes fly across oceans without stopping.

Jet engines have been around for a long time. The idea started with an ancient device called the aeolipile, made by Hero of Alexandria in 1st-century Egypt. The first real jet engines were built in the early 1900s. Two men, Frank Whittle in Britain and Hans von Ohain in Germany, created the first jet engines during World War II. Their work changed how we travel today.

Jet engines are not just for airplanes. They can also help power boats, cars, and even rockets. One famous car, ThrustSSC, used a jet engine to break the land speed record. Jet engines are very useful because they can work in many different ways and places.

Jet engines help us travel quickly and comfortably. They make modern air travel possible, letting people and goods move around the world in just a few hours. Next time you see a plane in the sky, remember the amazing jet engine that makes it fly!

Images

An experimental aircraft gas turbine engine displayed at the 'Dreams of Dreamers' exhibition in Budapest.
The W2/700 turbojet engine, the first flight-ready turbojet engine developed by Frank Whittle in 1939, which powered the Gloster E.28/39 aircraft.
The Heinkel He 178 was the world's first jet-powered aircraft, marking a major milestone in aviation history.
A Gloster Meteor F.3, an important early jet aircraft from the United Kingdom.
A close-up of a Pratt & Whitney JT9D jet engine mounted on the wing of a Boeing 747 airplane prototype.
A detailed diagram showing the internal components of a pump jet engine.
A chart showing how different types of engines perform at various speeds, used to explain rocket and air-breathing engine efficiency.
A chart showing how different jet engine designs compare in efficiency.
Graph showing how jet and rocket engines perform at different speeds compared to exhaust velocity

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Jet engine, available under CC BY-SA 4.0.

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