In the planes, all the details have meaning. For the safety of passengers and for the proper flight. Thus, the small hole on the porthole is not there by chance. It's even very important.
On a plane trip there are many things You don't necessarily know . If we now know why he is prohibits the use of electronic devices in the planes, or what happens when shoots the water hunt in the middle of the flight , there are still some mysteries to illuminate as the usefulness of this little hole in each porthole of the plane.
A hole on the porthole, did you notice?
If you are a regular air passenger, you may have noticed a small hole on each aircraft porthole. If you’re very stressed during the flight and you’re looking at nothing other than the seat in front of you, you now know that a plane window has a small hole. What? A hole in a plane? Help, panic!
No, you don't have to get in all your states. This little hole is not an oblivion, a malfaçon or a deterioration of the device. In fact, it is an ingenious system to avoid an air disaster. We're not hiding anything from you, here's all the explanations.
Why this little hole on the porthole?
To understand the usefulness of this small hole or "breath hole", it is important to present the porthole in its general appearance. A porthole consists of three separate windows. The first is made of plastic and is inside, the other two are made of glass and are located outside.
The small hole at the bottom of the porthole allows to redirect the pressure of the device directly to the outside glass . An indispensable safety measure to overcome any destruction of the outer glass. With this system, even without external glass, the remaining glass is capable of containing the pressure until the aircraft performs the proper manoeuvre.
You can now fly by being reassured. You can even fry by explaining to your flight companion the usefulness of the small hole on the portholes in the planes.
Main photo credit: Flickr – Chris Waits
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