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Boeing 777 Engine Diameter.  
User currently offlineQslinger From India, joined Apr 2006, 258 posts, RR: 0
Posted (8 years 2 months 4 weeks 1 day 6 hours ago) and read 16033 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!!

 champagne   drunk   eyepopping 


Raj Koona
21 replies: All unread, jump to last
 
User currently offlineCadet57 From United States of America, joined Jul 2005, 9085 posts, RR: 31
Reply 1, posted (8 years 2 months 4 weeks 1 day 6 hours ago) and read 16010 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.



Doors open, right hand side, next stop is Springfield.
User currently offlineDeltaGator From United States of America, joined Sep 2005, 6341 posts, RR: 13
Reply 2, posted (8 years 2 months 4 weeks 1 day 6 hours ago) and read 15967 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.



"If you can't delight in the misery of others then you don't deserve to be a college football fan."
User currently offlineCruiser From Canada, joined Apr 2005, 1001 posts, RR: 7
Reply 3, posted (8 years 2 months 4 weeks 1 day 5 hours ago) and read 15924 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.

James



Leahy on Per Seat Costs: "Have you seen the B-2 fly-by at almost US$1bn a copy? It has only 2 seats!"
User currently offlineQslinger From India, joined Apr 2006, 258 posts, RR: 0
Reply 4, posted (8 years 2 months 4 weeks 1 day 5 hours ago) and read 15895 times:

Quoting Cadet57 (Reply 1):
Same compared to? But look at it this way, they are the diameter of a 737 Fuselage.

As compared to the engines the other companies make for the T7. Like difference in diameter between RR, GE, etc.

P.S: Does P&W still exist?



Raj Koona
User currently offlineCadet57 From United States of America, joined Jul 2005, 9085 posts, RR: 31
Reply 5, posted (8 years 2 months 4 weeks 1 day 5 hours ago) and read 15863 times:

Quoting Qslinger (Reply 4):
Does P&W still exist?

yes.



Doors open, right hand side, next stop is Springfield.
User currently offlineDeaphen From India, joined Jul 2005, 1425 posts, RR: 1
Reply 6, posted (8 years 2 months 4 weeks 1 day 5 hours ago) and read 15855 times:

Ok u want a better perspective.. here is the GE-90.. and there are a few miniscule people around it!  Smile




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User currently offlineCAL From United States of America, joined Mar 2004, 499 posts, RR: 9
Reply 7, posted (8 years 2 months 4 weeks 1 day 4 hours ago) and read 15742 times:


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CAL........Continental Airlines....... Work Hard, Fly Right
User currently offlineDalb777 From United States of America, joined May 2005, 2192 posts, RR: 0
Reply 8, posted (8 years 2 months 4 weeks 1 day 3 hours ago) and read 15593 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.


Geaux Tigers! Geaux Hornets! Geaux Saints! WHO DAT!!!
User currently offlineAA777223 From United States of America, joined Feb 2006, 1231 posts, RR: 6
Reply 9, posted (8 years 2 months 4 weeks 1 day 1 hour ago) and read 15431 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.


Sic 'em bears
User currently offlineNoelg From , joined Dec 1969, posts, RR:
Reply 10, posted (8 years 2 months 4 weeks 1 day ago) and read 15365 times:

GE90s are noticably larger than the RRs. For me, 777 + GE90s = one smooth looking aircraft!  Smile

SQ have Trents on theirs which is probably why you noticed the difference in size.

Cheers,
Noel


User currently offlineQslinger From India, joined Apr 2006, 258 posts, RR: 0
Reply 11, posted (8 years 2 months 4 weeks 11 hours ago) and read 15000 times:

Quoting Deaphen (Reply 6):
Ok u want a better perspective.. here is the GE-90.. and there are a few miniscule people around it!

I guess this pic gives a better prespective.

Big version: Width: 1600 Height: 1200 File size: 200kb
In front of the GE90 at Dubai Airshow 2005.


P.S: That's me at Dubai Airshow in Nov 2005.



Raj Koona
User currently offlineFL370 From United States of America, joined Apr 2006, 252 posts, RR: 0
Reply 12, posted (8 years 2 months 3 weeks 2 days 19 hours ago) and read 14767 times:

holy crap that engine is huge!!! damn!!! didn't know it was that big.

User currently offlineIntothinair From Germany, joined Mar 2005, 392 posts, RR: 2
Reply 13, posted (8 years 2 months 3 weeks 2 days 18 hours ago) and read 14685 times:

Alright, here ya go:
Trent 800: 279cm
PW4000: 294cm(as far as I know)
GE90-76-94: 312cm
GE90-110/115: 324cm

These are all the fan diameters of the 777 engines!

As a comparison, the trent 500 of the A345/A346 is 246cm, and the trent 900 of the A380 is 296cm(As far as I know)

Hope this helps

cheers, Konstantin G.


User currently offlineGQfluffy From , joined Dec 1969, posts, RR:
Reply 14, posted (8 years 2 months 3 weeks 2 days 17 hours ago) and read 14572 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... Big grin

User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 15, posted (8 years 2 months 2 weeks 5 days 22 hours ago) and read 14252 times:

Quoting Cadet57 (Reply 1):
Same compared to? But look at it this way, they are the diameter of a 737 Fuselage.

Only the GE90.
regds
MEL



Think of the brighter side!
User currently offlineEK413 From Australia, joined Nov 2003, 4848 posts, RR: 4
Reply 16, posted (8 years 2 months 2 weeks 5 days 14 hours ago) and read 14090 times:


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EK413



Good evening, ladies and gentlemen. We are tonight’s entertainment!
User currently offlineAA777223 From United States of America, joined Feb 2006, 1231 posts, RR: 6
Reply 17, posted (8 years 2 months 2 weeks 5 days 1 hour ago) and read 13910 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.



Sic 'em bears
User currently offlineAirplanePeanut From United States of America, joined Mar 2004, 452 posts, RR: 0
Reply 18, posted (8 years 2 months 2 weeks 4 days 23 hours ago) and read 13834 times:

The 777 & 737 picture...

MyAviation.net photo:
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Photo © Javier Gore



 airplane Peanut



..
User currently offlineCitationJet From United States of America, joined Mar 2003, 2420 posts, RR: 3
Reply 19, posted (8 years 2 months 2 weeks 4 days 23 hours ago) and read 13818 times:

I think some people are talking about fan diameter dimensions and some are talking about external engine nacelle diameters.


Boeing Flown: 701,702,703;717;720;721,722;731,732,733,734,735,737,738,739;741,742,743,744,747SP;752,753;762,763;772,773.
User currently offlineAA777223 From United States of America, joined Feb 2006, 1231 posts, RR: 6
Reply 20, posted (8 years 2 months 2 weeks 4 days 22 hours ago) and read 13746 times:

Why does that picture say Airnliners.net on it, if its on myaviation.net?


Sic 'em bears
User currently offlineMrMcCoy From United States of America, joined Sep 2005, 377 posts, RR: 2
Reply 21, posted (8 years 2 months 2 weeks 4 days 15 hours ago) and read 13591 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..  Wink


It only takes five years to go from rumor to standard operating procedure.
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