波音新星飛上空處女航超完美

jsjs · 发表于 2011-3-25 12:42:19

大飞机就是漂亮

199335 · 发表于 2011-4-7 09:19:10

塗裝不錯, is ok

CARK · 发表于 2011-4-9 09:54:20

A380的强劲对手

man1333 · 发表于 2011-4-9 15:48:49

上層好像比744更長~

nkhtonyhk · 发表于 2011-4-10 02:51:25

本帖最后由 nkhtonyhk 于 2011-4-10 02:57 编辑

Raked wingtips are a feature on some Boeing airliners, where the tip of the wing has a higher degree of sweep than the rest of the wing. The stated purpose of this additional feature is to improve fuel efficiency and climb performance, and to shorten takeoff field length. It does this in much the same way that winglets do, by increasing the effective aspect ratio of the wing and interrupting harmful wingtip vortices. This decreases the amount of lift-induced drag experienced by the aircraft. In testing by Boeing and NASA, raked wingtips have been shown to reduce drag by as much as 5.5%, as opposed to improvements of 3.5% to 4.5% from conventional winglets.

While an equivalent increase in wingspan would be more effective than a winglet of the same length, the bending force becomes a greater factor. A one-foot increase in span has the same bending force as a three-foot winglet, which has the same performance gain as a two-foot wing extension.

lamhoho · 发表于 2011-4-11 02:47:10

估不到用藍色後會轉用紅色這個也很美,突出

junmi · 发表于 2011-4-12 21:39:19

大型客机中最漂亮的一款

hello1122 · 发表于 2011-4-15 02:27:03

又係用舊設計..?

磐石烧焦 · 发表于 2011-4-17 04:43:36

波音还是值得信赖的

koei001 · 发表于 2011-4-26 10:26:12

真漂亮啊.
感觉比以前霸气多了~

lukec9190 · 发表于 2011-4-26 19:30:41

这是波音的新涂装吗，以后的涂装都改成这样吗？感觉比蓝色涂装有活力。

199335 · 发表于 2011-4-30 06:10:36

74777777777777777777777

scott868 · 发表于 2011-5-5 23:48:43

发动机真漂亮。呃。真希望有幸能座一回。。

lixupengDW · 发表于 2011-7-18 15:44:01

漂亮！！！！

jack10542 · 发表于 2011-7-18 18:24:53

我喜歡這台~~~
好看

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