One of the fun facts about airplanes is that they are made almost entirely aluminum. And, if you go, look it up or talk to a mechanical engineer, you will under

One of the fun facts about airplanes is that they are made almost entirely aluminum. And, if you go, look it up or talk to a mechanical engineer, you will understand that aluminum has no “fatigue limit“. That sounds like a good thing, but it’s not. Aluminum will always fail eventually no matter how small the load. It’s just intrinsic in the material.