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When an airplane is flying, how high are the wings displaced relative to the plane?
Ok, for example, take a 747. When it's on the ground, the wings "appear" to be more or less parallel to the ground. There's some flexibility built in to the wings, such that when it's in flight, the wings curve upwards. I'm looking for just a general idea of about how many feet that is---or, what the actual tolerance is "total" (i.e., 20 feet up/down relative to the plane). Thanks.
2 Answers
- EdesignerLv 61 decade agoFavorite Answer
In a lot of commercial Jets the tolerance has to do with the rigidity of the design ..there is no coefficient of flexure,,,but i can tell you this . In the dick ruttan aircraft that flew non stop around the world the flex was over 10 ' 5+/- and if you thinks that's not scary any updraft(buffeting) will change it from the 5+ to the 5- in about one second. When a wing fails ..that is NOT good...in an MD80 the Chevy of the jet industry the wing deflections is 6 feet+/- ..that's still alot ot play ///You can rely on the designer though to add about 200% factor in this for overrun...and very few times have wings fallen off..The pylon at the engine connection played a part in several wing failures 20 years ago but that was from maintenance improper use. And most modern commercial craft will easily take 4-6 G's even if you can't ....I would worry more about the guys Dell falling out of the stow above my head than the wing problem,,,Just my side of it...From the E...
- 1 decade ago
The wings are still attached to the plane no matter how high you go up. :-)
Source(s): My observation