Airbus A220 withstanding the COLD WEATHER Certification
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Dear friends and followers, welcome back to my channel!
Today we will take a closer look into the cold weather certification process, especially on the recent newly launched Airbus A220. Why do planes need to get this certification, what is it good for and how is it done.
Now, what is the reason for such testing and certification? Mainly, it’s all about the performance of the plane after being exposed to these extreme temperatures, without any sources of heat to prevent the crucial parts from cooling down too far. While resting for the previously mentioned 12 hours, everything cools down to the outside temperature. That brings some issues, starting with the materials an aircraft is made of. When cooled, metal and other materials have the characteristic that they contract. The problem here is, that different materials contract at different rates, meaning that some materials contract more than others at the same temperature. In aviation, a variety of materials is used for different purposes. Contracting at different rates, puts some serious stress especially on structural parts and on the engines.
Thank you very much for your time! I hope you enjoy this video!
Wishing you all the best!
Your "Captain" Joe
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