Do you know why airplane windows are always round?

Did you know why are airplane windows always round

Now the rounded shape of the portholes has become so familiar that it does not raise questions, but it was not always like this. In photographs from the middle of the last century, you can see planes with square or rectangular windows resembling vents. At that stage in the development of aviation, this was the standard, but over time, the height and speed of flights increased, the body of the aircraft experienced ever higher loads, which caused the metal to wear out faster.

What happened?

The turning point was a catastrophe – depressurization of the cabin due to the destruction of metal in the corner of the window. After that, tests and studies began, which proved that this part of the body wears out the fastest due to the high stress of the metal in it. Then it was proposed to make the windows rounded to ensure even distribution of pressure and safety.

New planes were produced only with rounded windows, which avoided many problems – after the invention of jet engines, the risk of accidents due to square windows would be very high. 5 reasons why people are asked to raise their window shades during takeoff and landing

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