The way to make Jet Engines more efficient is to make them wider. [This will be discussed in another post, that will be “before” the current post.] The first jet airliner (the 367-80) was powered by 4 engines, each with a diameter of 39 inches. Today’s 777 (a widebody) is powered by an engine with a diameter of 128 inches. That’s 10 times as much area. Those numbers may sound but, but they may also sound small, because they’re just numbers. To put it in perspective:
128 inches means a friend can stand on your shoulders and you can both fit inside a jet engine.
The 777 engine is only 11 inches narrower than a 737. Not the 737’s engine, the whole plane. You could fit 5 seats and an aisle across inside the 777 engine. (That’s why people who like planes prefer widebodies.)
128 inches means a friend can stand on your shoulders and you can both fit inside a jet engine.
The 777 engine is only 11 inches narrower than a 737. Not the 737’s engine, the whole plane. You could fit 5 seats and an aisle across inside the 777 engine. (That’s why people who like planes prefer widebodies.)
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