Airliners like the Boeing 777 cruise around 35,000 feet, higher than Mount Everest.
Boeing
The popular "equal transit time" explanation of lift says air over the top must travel farther to meet the air below at the trailing edge.
Before Spitfires and Mustangs, thousands of pilots learned to fly in these two biplanes: the de Havilland Tiger Moth 🇬🇧 and the Boeing-Stearman 🇺🇸.
The Instrument Landing System (ILS) uses two radio beams.
A wing makes lift with higher pressure below and lower pressure above.
Why do airplane wings bend so much? Each wing carries half the airplane, pushed up by lift, so it bends like a fishing rod with a big catch. That flexibility...
Why do airplane windows have a tiny hole? A passenger window is really three panes. The inner one is a non-structural scratch pane. The tiny "breather" or...
Ever noticed the jagged, sawtooth edges on the back of a Boeing 787 engine?
In a 242-foot-long jet, the margin for error is razor-thin.
Why do multi-billion dollar airlines still buy airplanes with propellers instead of pure jet engines?
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