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Questions tagged [fatigue]

Questions about how aircraft components that are repeatedly stressed slowly weaken over time, and can eventually break apart.

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1answer
118 views

Why weren’t the Comet’s overhead ADF windows roundified along with its passenger windows?

Following the crashes of two Comet 1s in early 1954 due to metal fatigue, all future Comets (and the few surviving Comet 1s that were rebuilt rather than scrapped, all of them in military service) ...
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0answers
93 views

Did the cusp in the Boeing 377/C-97/KC-97’s fuselage structure cause fatigue problems?

The Boeing 377 Stratocruiser - a civilian adaptation of the C-97, a military transport which would also later be developed into the KC-97 - were derived from the B-29/B-50 family by grafting a large, ...
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3answers
1k views

What is the fatigue life of a fuselage based on?

The fatigue life of the fuselage is based on the number of what? Pressurization cycles?
22
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4answers
8k views

How is metal fatigue detected in an aircraft?

There have been many accidents involving metal fatigue. How do the engineers, maintenance team, etc. know if an aircraft has metal fatigue? What is done to "minimize" metal fatigue or repair it?
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0answers
600 views

Is the Boeing 737 unusually susceptible to stress fatigue?

According to this Newsweek article - which seems like a reputable source - the FAA has issued a number of Airworthiness Directives to address stress fatigue concerns with the 737NG series: Between ...