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Which Engine Is Really The Best For The 777?  
User currently offlineKaitak744 From United States of America, joined Jul 2005, 2306 posts, RR: 3
Posted (7 years 4 months 3 weeks 3 days 14 hours ago) and read 4657 times:

In the comparison chart made from data take right off of Boeing's website, it seems that GE would be the best option for the 777 (-200ER). However, other airlines have opted otherwise. Why exactly?

http://i19.photobucket.com/albums/b154/Kaitak744/untitled.jpg

2 replies: All unread, jump to last
 
User currently offlineKeesje From , joined Dec 1969, posts, RR:
Reply 1, posted (7 years 4 months 3 weeks 3 days 13 hours ago) and read 4592 times:

Do the RR engines burn more but fly further?

User currently offlineStitch From United States of America, joined Jul 2005, 29682 posts, RR: 84
Reply 2, posted (7 years 4 months 3 weeks 3 days 13 hours ago) and read 4589 times:
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Quoting Kaitak744 (Thread starter):
In the comparison chart made from data take right off of Boeing's website, it seems that GE would be the best option for the 777 (-200ER). However, other airlines have opted otherwise. Why exactly?


  • Simple preference. Some airlines prefer P&W or RR when they have the option.
  • Commonality. While the engines and their parts may not be interchangeable, chances are it's easier for the mechanics to be trained within the same manufacturer due to a common design philosophy, if nothing else.
  • Performance. But not the way you might think. Sometimes, you don't need the most powerful engine out there, so a less-powerful engine might offer greater fuel economy or longer maintenance intervals that make it a better fit.


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