Now, twenty years and more than 3,500 airplanes later, Boeing stands at the threshold of another venture calculated to lead the aircraft industry into the 21st century: the 757 and 767 airplane programmes.doi:10.1108/eb035653NoneAircraft Engineering & Aerospace Technology...
根据第二段的TheHindenburgdisasterscaredpeopleawayfromairships.Fromthenon,mostairtravelfocusedonairplanes.(兴登堡号灾难使人们远离飞艇。从那时起,大多数航空旅行都集中在飞机上。)可知,"兴登堡号"飞艇在着陆时起火燃烧的事故导致飞艇发展的中断。故选C。(2)细节理解题。根据第三段的Theshipgetsitsliftfromhelium—...
But nothing comes for free in aviation(航空业):a longer wing weighs more than a shorter one,which explains why airplane makers like Boeing didn 'tmre its 777 airplanes 235-foot-long wings in the first place,Modem composite(复合的) materials weigh less, allowing longer wings that are ...
Meanwhile, more than two-thirds of aircraft are employed through leasing. It all adds up to vast potential for China's air finance industry. It is projected that, between 2017 and 2036, China will need an estimated ...
“If you go back in history on new airplanes, they were never really started until the propulsion package brought a 10 to 20 percent improvement over the last one—that’s not happening today,” Calhoun said. “The incremental performance is so narrow enough that you’re not going to bet ...
The minimum induced drag, longitudinal trim and static longitudinal stability of two-surface and three-surface airplanes This study aims at presenting one of the most important problems of aeroplane design, Static Longitudinal Stability, in a possibly complete but easy way. E.R. Kendall - Applied ...
⑥Experts predict that China's air travel market will become the biggest in the world by 2040.That means a lot more airplanes will be needed, and the C919 could be a big part of that growth.⑦The C919 is not just about flying people from one place to another. This new kid has even...
But most of that ended in 1937, after an airship called the Hindenburg caught fire and burned as it was landing. The Hindenburg disaster scared people away from airships. From then on, most air travel focused on airplanes.Now, some people hope to change that and they believe airships ...
US aircraft manufacturer Boeing predicted last month that by 2041, China will require 8,485 new airplanes valued at $1.5 trillion to serve passengers and trade, representing more than one-fifth of global aircraft deliveries over the ne...
So then I chose another profession, and learned to pilot airplanes I have flown a little over all parts of the world: and it is true that geography has been very useful to me. At a glance I can distinguish China f...