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Odd Looking RB211 On This EA 757-225  
User currently offlinePdpsol From United States of America, joined Feb 2004, 1162 posts, RR: 5
Posted (12 years 3 months 1 week 4 days 18 hours ago) and read 2656 times:

Why do the nacelles on this RB211-engined 757 look odd?

Is it an early version of the Rolls powerplant on the 757?

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Photo © Howard Chaloner

4 replies: All unread, jump to last
User currently offlinePrinair From United States of America, joined Dec 1999, 773 posts, RR: 2
Reply 1, posted (12 years 3 months 1 week 4 days 17 hours ago) and read 2581 times:

That was a less powerful version. It was the version available for earlier deliveries. As the more powerful engine became available EA replaced the engines.

I believe the difference was 37,500lbs vs. 40,100lbs approx.

PRINAIR : Puerto Rico International Airlines
User currently offlineAir1727 From , joined Dec 1969, posts, RR:
Reply 2, posted (12 years 3 months 1 week 4 days 17 hours ago) and read 2510 times:

The older one was the -535C if you are looking for variant.

User currently offlineAccess-Air From United States of America, joined Sep 2000, 1943 posts, RR: 12
Reply 3, posted (12 years 3 months 1 week 4 days 15 hours ago) and read 2407 times:


That was the original style of engine nacelle on the 757 before the decided to duct the whole thing in a common nacelle.

If you look closely this engine nacelle is the same style on the older 747-200s that BA flew as well as the RR powered 747SPs and of course, the L1011.
I think it was just to streamline the engine...because as you can see all RR powered 757s 767s and 747s now have the ducted RR engines....


Remember, Wherever you go, there you are!!!!
User currently offlineRiverVisualNYC From United States of America, joined Nov 2003, 930 posts, RR: 2
Reply 4, posted (12 years 3 months 1 week 4 days 15 hours ago) and read 2394 times:

Anyone know are there any performance or maintenence benefits from having the sort of one-piece nacelle the newer RB211s have (and the CFMs on the A340 as well)? Or is it mostly a cosmetic issue?

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