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Porthole plane view
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Porthole aircraft. View from the plane window. A photo.

Porthole aircraft. View from the plane window. A photo.

 

Perhaps few people, even including those who are well acquainted with the history of aviation know porthole plane I not always had round pairing. The history of this is both interesting and tragic, but the resulting bitter experience ever brought to the fact that view from the airplane It will always be for us to have a rounded shape.

 

View from the airplane

View from the airplane

 

The history of the appearance of the rounded windows of the aircraft, with which we are dealing at the moment, begins with the appearance of one of the first reactive civil airliners, called "Comet". The plane appeared in 1954 year, and had some of the best technical characteristics at that time, and during the races in civil aviation this was very important factor, because the speed of air travel meant a large passenger flow, and, consequently, more profit. The thoughtful design of the plane made it very attractive, but one banal mistake, led to the fact that the aircraft began to end up crashing one by one, literally falling apart in the air to pieces. In just the first year of operation of the passenger liner, there were two air accidents in which 56 people died, and the reason was very banal, but at the same time, square portholes are incredible.

 

Photo from the airplane

Photo from the airplane

 

Later identified as a special committee appointed to search for the causes of the crash of the "Comet" because of sharply converged square-shaped surfaces, porthole plane Created a kind of dangerous voltage, which with increasing overload and pressure almost instantly expanded, thereby creating microcracks, until, finally, the cracks reached a critical value and did not break up the aircraft into small parts. To find the cause for a long time did not succeed in view of the fact that when checking an airplane in aerodynamic chambers, real overloads were not applied, which were calculated only for the metal skin of the aircraft. Only after 3 months after the last air crash with the participation of the Kometa airliner, the specialists decided to subject the aircraft to overloading and excessive pressure, which resulted in what happened in the past to aircraft crashes, which was so proud of the aircraft manufacturer De Haviland. In full-scale tests, it was found that with a high flight speed, cracks begin to occur at the corners of the square portholes, as a result of which, the corners were rounded, and subjected the plane to new tests that it successfully sustained.

In this way, porthole plane performed rounded to:

  1. Withstand high overload and pressure;
  2. To provide the necessary aerodynamic properties;
  3. Germetizatsionnye provides better performance.

All these and other features allow the aircraft to have a better performance, both in terms of its reliability, both in terms of technical data.

 

Porthole aircraft photos

Porthole aircraft photos

 

Due to the fact that the causes of the crash of the "Comet" had been identified and corrected, all modern jet airliners used exclusively windows with rounded shapes, as a result, passengers can fly without worrying about their own lives. And now, once again, making airfare, you know why view from the window of an airplane It has a rounded shape.

Avia.pro

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