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Why do the 787 wings bend so much?
The wings of Boeing 787 Dreamliner are curved due to the presence of carbon fiber material on its wings. The carbon fiber material can be stretched more hence providing flexibility to its wings. The carbon fiber material has high aspect ratio of 11 which ultimately magnifies this bending effect.
What’s the difference between 747 and 787?
The 787 is both shorter, smaller and thinner than the 747. With that comes a lower passenger count than the 747, as well as a lower MTOW. Surprisingly however, the 747 is much faster than the 787. The 747 is Mach 0.005 faster than the 787, and travels further (if only briefly) than the 787.
Which airline has the most Dreamliners?
United Airlines – biggest in the USA The biggest Dreamliner operator in the US is United Airlines. At least it is for the time being. To date, it has received a total of 12 787-8, 35 787-9, and 13 787-10 aircraft from Boeing, for a total fleet of 60.
What are the features of a 747-8 wing?
The 747-8’s wing design provides additional performance with lower noise. New features include: Advanced technology airfoils for improved overall performance and greater fuel capacity. Fly-by-wire spoilers and outboard ailerons to save weight.
Why do Boeing 787 wings curve so much at take off?
If wing flexing was in any way a problem, it would be avoided and strengthened. In fact, it is beneficial. Allowing the wings to flex improves aerodynamic stability. The aircraft is more streamlined and experiences less drag. It helps provide a smoother ride for passengers and minimize turbulence.
Why are 787 wings made of carbon fiber?
This also applies to the wings, which are made of carbon fiber-reinforced polymer (CFRP). This has a higher strength to weight ratio than traditional aircraft metals, making the structure lighter. It is also much more flexible. The 787 introduced the use of majority carbon fiber construction for jets. Photo: Boeing
Why does a wing have so much flex?
The amount of flex is really a product of the material. The wing requires a specified ultimate strength; with metal, that translates into a given amount of flex. This can be varied within limits, but it is really the material, its stiffness to yield point ratio, and its fatigue properties, that control how much flex you are going to end up with.