The first Boeing #777X is in flight. After a few hours of flying, the jet will land at Boeing Field in Seattle, Washington.
Track the flight here: http://www.boeing.com/commercial/777x/first-flight/index.page#/flight-tracker …pic.twitter.com/XRTetREL4M
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True statement. The chevrons reduce noise but add a small amount of drag. On the GE9X the size of the fan, among other things, reduces the noise to an acceptable level such that the chevrons are not required.
- Još 2 druga odgovora
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I asked boing the same question and they responded: "The 777X was originally designed with noise reducing chevrons. But the engineers were able to design a nacelle that could do the same thing with less drag." Not word for word but the thought is the same
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