Qslinger From New Zealand, joined Apr 2006, 204 posts, RR: 0 Posted (3 years 9 months 2 weeks 6 days 10 hours ago) and read 5825 times:
Are the engine diameters(size) mounted on the Boeing 777 the same? I saw SQ 777 at Hyderabad (HYD) felt engine size looked smaller..maybe my eyes got bigger cos of the booze!!
Cadet57 From United States of America, joined Jul 2005, 8305 posts, RR: 39 Reply 1, posted (3 years 9 months 2 weeks 6 days 10 hours ago) and read 5802 times:
Quoting Qslinger (Thread starter): Are the engine diameters(size) mounted on the Boeing 777 the same?
Same compared to? But look at it this way, they are the diameter of a 737 Fuselage.
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DeltaGator From United States of America, joined Sep 2005, 6341 posts, RR: 18 Reply 2, posted (3 years 9 months 2 weeks 6 days 9 hours ago) and read 5759 times:
Quoting Qslinger (Thread starter): Are the engine diameters(size) mounted on the Boeing 777 the same?
Without looking it up I would hazard a guess that there is some size difference between the Rolls Royce engines and the GE-90s. Probably not much but the RR engines always look slimmer but longer to me. That said, as Cadet57 put it they are as wide as a 737 so they are big ass no matter what.
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Cruiser From Canada, joined Apr 2005, 985 posts, RR: 11 Reply 3, posted (3 years 9 months 2 weeks 6 days 9 hours ago) and read 5716 times:
The GE90-94B (on the 772A & 772ER) is 134 inches in diameter, while the GE90-115B (on the 773A, 773ER, 772LR) is 135 inches in diameter. Hardly noticable.
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Cadet57 From United States of America, joined Jul 2005, 8305 posts, RR: 39 Reply 5, posted (3 years 9 months 2 weeks 6 days 9 hours ago) and read 5655 times:
CAL From United States of America, joined Mar 2004, 482 posts, RR: 10 Reply 7, posted (3 years 9 months 2 weeks 6 days 8 hours ago) and read 5534 times:
Dalb777 From United States of America, joined May 2005, 2069 posts, RR: 0 Reply 8, posted (3 years 9 months 2 weeks 6 days 6 hours ago) and read 5385 times:
It appears to me that on the 772ER, GE is the biggest and RR is the smallest, with PW in the middle. The difference is only a few inches.
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AA777223 From United States of America, joined Feb 2006, 827 posts, RR: 9 Reply 9, posted (3 years 9 months 2 weeks 6 days 4 hours ago) and read 5223 times:
I know the RR Trent 892 is only 110 inches in diameter as seen on the AA picture above, whereas the GE-90 is 135 inches. In fact the engine nacelle is, I believe, the same on GE90- 76, 94, and 115B. It is in fact the fan that is slightly larger. Because of the composite blades used in the 115b they are able to use a closer fit in the nacelle. The composites do not expand and contract near as much as titanium, or aluminum blades would. the P&W engine is 112 inches. There is therefore a fairly signifaicant difference in the ngines. In fact, I think the 777, 757 and the 747 have the most distinguishable engines differences.
GQfluffy From United States of America, joined Apr 2005, 3174 posts, RR: 6 Reply 14, posted (3 years 9 months 2 weeks 20 hours ago) and read 4364 times:
There's a picture floating around of a BA 772A with the GE 90 parked next to a BA 737. It was arranged so that the engine was right in front of the 737. The nacelle is bascially the same size as the 737. Swanky...
AA777223 From United States of America, joined Feb 2006, 827 posts, RR: 9 Reply 17, posted (3 years 9 months 1 week 3 days 5 hours ago) and read 3702 times:
Thanks for all the posts. I think its really interesting to try and identify each engine.
The GE90 is just huge, and has the titanium leading edge blades, and they are swept if its a 110/115B
The Rolls Royce is smaller (but still huge!), and has a kind of arched sweep to them.
And the Pratts... well the pratts are unremarkable.
AirplanePeanut From United States of America, joined Mar 2004, 452 posts, RR: 0 Reply 18, posted (3 years 9 months 1 week 3 days 3 hours ago) and read 3626 times:
CitationJet From United States of America, joined Mar 2003, 1614 posts, RR: 4 Reply 19, posted (3 years 9 months 1 week 3 days 3 hours ago) and read 3610 times:
I think some people are talking about fan diameter dimensions and some are talking about external engine nacelle diameters.
AA777223 From United States of America, joined Feb 2006, 827 posts, RR: 9 Reply 20, posted (3 years 9 months 1 week 3 days 1 hour ago) and read 3538 times:
Why does that picture say Airnliners.net on it, if its on myaviation.net?
MrMcCoy From United States of America, joined Sep 2005, 377 posts, RR: 2 Reply 21, posted (3 years 9 months 1 week 2 days 18 hours ago) and read 3383 times:
Becuase a.net owns MyAviation, and MA is a repository for photos that don't make it past the screeners. IMO there's plenty of photos that have passed screeners that couldn't hold water to a MA shot..
It only takes five years to go from rumor to standard operating procedure.
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