What are the effects of the Boeing 787's very flexible wings?
Wing span: A given curvature of the wing due to bending at the wing root will cause a tip displacement which is proportional to the distance of that tip from the root. Spar heigt: This …
How does the raked wingtip of the Boeing 787 work?
2015年8月19日 · This aeroelastic tailoring, together with the low fuel consumption of modern high-bypass-ratio engines, allows the Boeing 787 to use a wing of an aspect ratio of 10 and the …
aircraft design - Is wing flex good? - Aviation Stack Exchange
2020年3月7日 · Wing flex acts as flaps but isn't, wing flexes can also support thousands of pounds and lift them with ease because of the lift it generates. This is why the Boeing 787 …
What aerodynamic improvements were introduced on the Boeing …
2022年5月23日 · This optimization plus the development of very strong carbon fiber primary wing structures resulted in trade-offs that determined it was better to make the wing thinner while …
wing - Why are the flaperons on the 787 located so far in-board ...
2019年7月12日 · The 787, on the other hand, has quite simple dropped hinged flaps. This is part of a long standing trend since the mechanically complex 747 of simplifying flap mechanisms …
How does the Boeing 787 Dreamliner's glide ratio compare to …
But without factory numbers of any of the airliners, it would be hard to say. But in any case, going by the aspect ratio, the 787 should have a better glide ratio, compared to the other airliners i …
boeing 787 - Who else is using electro-thermal wing anti-/de-icing ...
2018年10月12日 · Perhaps most Russian (larger) aircraft had electrical wing de-icing system: from Tu-95 (1952) to Il-18 (1957) to Tu-154 (1968) (I could give specific links but they are in …
aircraft design - What is the sweep angle of the Boeing 787's ...
2018年1月19日 · In addition, the lift gradient of the horizontal tailplane can be less than the lift gradient of the wing due to the increased sweep, so that the horizontal tailplane only reaches …
Why is the B787 one of the few aircraft with electro-thermal wing …
2015年7月20日 · The 787 is able to get away with this because it has very advanced electrical starter/generators. The generators can produce about 500 KW each, significantly more than …
Why are the leading edges on the Boeing 787 made from …
Anti ice was also mentioned. These areas are heated with bleed air (or, for the 787, electrical elements) to melt or prevent any ice formation. Metals do much better at high temperatures …