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Why Are 787 Engines Only White?  
User currently offlineunited319 From United States of America, joined Jul 2006, 552 posts, RR: 0
Posted (3 years 8 months 2 weeks 1 day 12 hours ago) and read 5057 times:
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I have noticed on all the 787 engines that they are white. I know some of the airlines paint their engines white as it is but UA and QR's are painted white while the rest of their fleets are painted a different color. Is this a technical reason or just a weird coincidence that these carriers are doing a modified paint on their 787 sub-types?

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3 replies: All unread, jump to last
User currently offlineRoseflyer From United States of America, joined Feb 2004, 11166 posts, RR: 52
Reply 1, posted (3 years 8 months 2 weeks 1 day 11 hours ago) and read 5006 times:

The 787 slashed customer options for airlines as a way to keep prices down. One of them was standardized engine colors and removal of painting the engines as an option in the order book. I'm not sure if there is a technical reason, but I wouldn't be surprised if there wasn't.

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User currently offlinePolot From United States of America, joined Jul 2011, 4429 posts, RR: 1
Reply 2, posted (3 years 8 months 2 weeks 1 day 11 hours ago) and read 4997 times:

Quoting Roseflyer (Reply 1):
I'm not sure if there is a technical reason, but I wouldn't be surprised if there wasn't.

The technical reason is to have better laminar flow. Here is the article from when it was first announced:


User currently offlineDocLightning From United States of America, joined Nov 2005, 23775 posts, RR: 60
Reply 3, posted (3 years 8 months 2 weeks 1 day 9 hours ago) and read 4962 times:

They are either grey or white. These are the only two paints that can be applied thinly enough to not make a little "bump" just aft of the inlet ring which would disrupt laminar flow. Someone is probably working on other colors, but I wouldn't hold my breath.

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