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AA 757 Engines  
User currently offlineSleekjet From United States of America, joined Jul 2001, 2046 posts, RR: 22
Posted (12 years 1 month 4 days 5 hours ago) and read 8051 times:

I'm not much at techs and specs, so....how can I tell whether the 757 I'm flying next week is equipped with RR's or PW's?


II Cor. 4:17-18
50 replies: All unread, showing first 25:
 
User currently offlineAFC_ajax00 From United States of America, joined Nov 2000, 775 posts, RR: 0
Reply 1, posted (12 years 1 month 4 days 5 hours ago) and read 8035 times:

The RR engines have cylinder type nacelles instead of the PW ones that taper off into an exhaust cone at the end. Hope this helps.


Once you have tasted flight, you will walk the earth with your eyes turned skyward; for there you long to return
User currently offlineSleekjet From United States of America, joined Jul 2001, 2046 posts, RR: 22
Reply 2, posted (12 years 1 month 4 days 3 hours ago) and read 8024 times:

So, which would these be?


View Large View Medium
Click here for bigger photo!

Photo © Joe Pries




II Cor. 4:17-18
User currently offlineMDL_777 From United States of America, joined Aug 2001, 267 posts, RR: 0
Reply 3, posted (12 years 1 month 4 days 3 hours ago) and read 8007 times:

The engines in the photo are Rolls Royce engines.

User currently offlineLMP737 From , joined Dec 1969, posts, RR:
Reply 4, posted (12 years 1 month 3 days 21 hours ago) and read 7987 times:

Here's a list of US carriers that fly the 757 and the engines they use:

American-RR
TWA LLC-PW
United-PW
Northwest-PW
Delta-PW
Continental-RR
America West-RR
ATA-RR
National-RR


User currently offlineWilax From United States of America, joined Jun 2002, 465 posts, RR: 3
Reply 5, posted (12 years 1 month 3 days 5 hours ago) and read 7958 times:

If you cannot eyeball the engines, the plane registration will tell you. If the last two letters are TW, it has the Pratt&Whitney's, but if it ends in AA or AN, you've got the double R's baby...

User currently offlineBWIrwy4 From United States of America, joined Nov 2001, 940 posts, RR: 1
Reply 6, posted (12 years 4 weeks 1 day 22 hours ago) and read 7882 times:

LMP737: You forgot US Airways-RR

User currently offlineLMP737 From , joined Dec 1969, posts, RR:
Reply 7, posted (12 years 4 weeks 1 day 20 hours ago) and read 7888 times:

BWIrwy4:

You are correct. When I was typing the post I had this nagging feeling that I was forgetting an airline.


User currently offlineAmerican 767 From United States of America, joined May 1999, 3735 posts, RR: 12
Reply 8, posted (12 years 3 weeks 5 days 14 hours ago) and read 7829 times:
AIRLINERS.NET CREW
FORUM MODERATOR

That's right. US Airways 757's were originally oparated by Eastern which selected the RR power plant. US and BA were the first two airlines to introduce the 757 almost 20 years ago, they both chose RR engines. Next was Delta, which was first to introduce the 757 with PW engines. More airlines choose RR engines because they generate more power than PW engines, 43000lbs vs 37000lbs of thrust. The reason Northwest and United chose PW engines is because they always had a strong relationship with that engine manufacturer. However, the advantage of the PW engine is its high-bypass ratio, which makes it a quiet engine.

Ben Soriano
Brussels Belgium



Ben Soriano
User currently offlineAmerican 767 From United States of America, joined May 1999, 3735 posts, RR: 12
Reply 9, posted (12 years 3 weeks 5 days 14 hours ago) and read 7830 times:
AIRLINERS.NET CREW
FORUM MODERATOR

Correction: I just realized my mistake. I said US and BA were the first airlines to introduce the 757, I meant EASTERN and BA.

Ben



Ben Soriano
User currently offlineTEDSKI From , joined Dec 1969, posts, RR:
Reply 10, posted (12 years 3 weeks 4 days 1 hour ago) and read 7776 times:

American 767, the PW2000 series engines can put out more than 37,000lbs thrust, there is a version available for the new 757-300 that has 43,000lbs thrust that I believe NW has ordered. Go to the P&W website and check it out yourself.

User currently offlineFlynavy From , joined Dec 1969, posts, RR:
Reply 11, posted (12 years 3 weeks 5 hours ago) and read 7715 times:

Correct me if I am wrong, but is it not true that Delta operates both PW and RR powered 757's?

User currently offlineRick767 From United Kingdom, joined Jan 2000, 2662 posts, RR: 51
Reply 12, posted (12 years 3 weeks 4 hours ago) and read 7708 times:

Flynavy,

Delta only operate the PW2037 engines on their 757 fleet.



I used to love the smell of Jet-A in the morning...
User currently offlineWingscrubber From UK - England, joined Sep 2001, 845 posts, RR: 0
Reply 13, posted (12 years 2 weeks 6 days 8 hours ago) and read 7689 times:

How come continental have RRs on their 757s but GEs on their 777s? Being British, I reckon the Trent is the best choice  Laugh out loud

Pete



Resident TechOps Troll
User currently offlineDelta767300ER From United States of America, joined Dec 2003, 2562 posts, RR: 12
Reply 14, posted (8 years 3 months 1 week 1 day 7 hours ago) and read 6662 times:

This is a bit off topic but a RR engine on a Boeing 757 sounds dull and like a buzzsaw. I would rather hear the P&W powerful whine. Thankfully all of Delta's Boeing 757's and P&W powered.

-Delta767300ER


User currently offlineFtrguy From United States of America, joined Aug 2003, 358 posts, RR: 0
Reply 15, posted (8 years 3 months 6 days 9 hours ago) and read 6411 times:

You can also go to the seatmap of your flight where you picked your seat. If it starts with row 7 in Y you will have a PW powered one. If it starts with row 9, you will have a RR powered one. Go to seatguru.com and see the difference.

User currently offlineReidYYZ From Kyrgyzstan, joined Sep 2005, 536 posts, RR: 0
Reply 16, posted (8 years 3 months 6 days 1 hour ago) and read 6319 times:

Is there any truth about AA originally getting/ordering the '57 with P&W and then converting/trading in for RR powered a/c? I heard that over 15 years ago, never found any proof.

User currently offlineUAL747 From , joined Dec 1969, posts, RR:
Reply 17, posted (8 years 3 months 6 days ago) and read 6319 times:

The AA 757's for the majority have RR engines. Only the TWA acquired ones have P&W. The nacelle of the engine on a RR continues all the way to the back (well, not necessarily the nacelle, but the grey and silver parts are flush on a RR). The P&W have a shape where the grey part of the nacelle ends and theres a space between the silver part (on the back).

Blah, I'm drinking, I dunno what I'm talking about. hope that helps.

UAL


User currently offlineLMP737 From , joined Dec 1969, posts, RR:
Reply 18, posted (8 years 3 months 6 days ago) and read 6308 times:

Quoting Flynavy (Reply 11):
Correct me if I am wrong, but is it not true that Delta operates both PW and RR powered 757's?

No but I do believe that they operate GE and PW powered 767's.


User currently offlineFrancoBlanco From , joined Dec 1969, posts, RR:
Reply 19, posted (8 years 3 months 5 days 15 hours ago) and read 6254 times:

Interesting info, but why is a four year old thread brought up again? I am sure there have been some other threads about 757s/PW/RR in the meantime.

Sebastian


User currently offlineAogdesk From United States of America, joined Jun 2004, 935 posts, RR: 3
Reply 20, posted (8 years 3 months 5 days 11 hours ago) and read 6219 times:

The RR powered birds have fewer blades per engine than the Pratts, 22 vs 37 I believe. So on takeoff roll, peer into the engine and count each individual blade as it passes top center.  Smile

User currently offlineStarlionblue From Greenland, joined Feb 2004, 16991 posts, RR: 67
Reply 21, posted (8 years 3 months 5 days 9 hours ago) and read 6204 times:

Quoting Ftrguy (Reply 15):
You can also go to the seatmap of your flight where you picked your seat. If it starts with row 7 in Y you will have a PW powered one. If it starts with row 9, you will have a RR powered one. Go to seatguru.com and see the difference

To continue this, the TWA ones have a galley in the middle and no power ports in monkey class.



"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 22, posted (8 years 2 months 3 weeks 6 days 5 hours ago) and read 5957 times:


View Large View Medium
Click here for bigger photo!

Photo © Medolago Manuel


RR logo looks good.
RB211-535E4


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Photo © Krzysztof Skowronski [epwa_spotters]


P&W 2000

regds
MEL



Think of the brighter side!
User currently offlineReidYYZ From Kyrgyzstan, joined Sep 2005, 536 posts, RR: 0
Reply 23, posted (8 years 2 months 3 weeks 6 days 1 hour ago) and read 5914 times:

Quoting HAWK21M (Reply 22):
RR logo looks good.
RB211-535E4

That is an RB211-535C engine, the original photo caption is incorrect.
The 535E4 looks like:

View Large View Medium
Click here for bigger photo!

Photo © Darren Wilson


The 'RR' logo decal is indeed sweet. At $500.00US a pop, it's very rich too. I managed to get one off a cowling about to be painted and re-glued it to my box.


User currently offlineMolykote From United States of America, joined Aug 2005, 1340 posts, RR: 29
Reply 24, posted (8 years 2 months 3 weeks 5 days 21 hours ago) and read 5877 times:

Quoting Delta767300ER (Reply 14):
This is a bit off topic but a RR engine on a Boeing 757 sounds dull and like a buzzsaw. I would rather hear the P&W powerful whine. Thankfully all of Delta's Boeing 757's and P&W powered.

-Delta767300ER

You may prefer the PW sound to the RR sound but rest assured it's likely to be a less powerful whine!



Speedtape - The asprin of aviation!
25 HAWK21M : You are correct about the -535C & -535E4. What did you use to reglue the RR Decal. regds MEL
26 UAL747 : Wow, I didn't realize there were two different RR engine variants. Can anyone give a little more information on this? Thanks, UAL
27 Post contains links and images LH463 : I love the 757 engines with the RR's attached. They are the only ones that can seem to do this... View Large View MediumPhoto © Ricardo Morales A
28 Midnights : It's real simple.....if there's a puddle of oil under the engine, it's a P/W... no puddle, R/R.
29 ReidYYZ : I mis-stated, actually it went on with it's original adhesive as it was unmolested. If it has a vibration issue, it's a RR......no vib's, P/W.
30 Jetflyer : Well having lived outside Heathrow for 12 years I think the RR 757 sounds awesome and the PW is rubbish. And I've flown on a RB-211 powered 767 and i
31 FrancoBlanco : OK, I am no expert but here you are: The first RR engine for the 752 was the RB211-535C. Somewhen around 1985, the -535E4 was introduced. It has slig
32 Gt1 : Some time around 1998, I heard a Delta VP of Maintenance say that Delta considered the 757 with the RR to be the best engine/airframe combination. Of
33 Molykote : The RB211-535 has had above average reliability and exceptional longevity in my experience. The longevity is at least in part due to the fact that th
34 Post contains images LMP737 : You can always tell where a 757 with PW2000 has been parked. Just look for the puddle of oil.
35 RJ111 : I find it interesting that the RB211-524 didn't fair so well on the 767 and 747. Can anyone list the key reasons why this is? I'd guess that it is bec
36 LMP737 : With the 767 the RB211 was a late on the scene. The first version, the -200, was only powered by the CF6 and PW4000. It was only with the -300 did th
37 Gt1 : Molykote, that was a very informative post on engine balance, nice job. I'm guessing you've spent some quality time with a PBS-4000 system. You are co
38 Airmech56 : [quote=Wingscrubber,reply=13]How come continental have RRs on their 757s but GEs on their 777s? Being British, I reckon the Trent is the best choice T
39 Molykote : Gt1: Thanks for the compliment - I was somewhat rushed in my post but glad at least the gist of my input was understood. It looks like we have some s
40 Post contains images Kgfive : Cynical bugger here....does it really matter to us " joe public " what engine is hanging from the wing as long as when you land on time or safely the
41 Post contains links and images Lightsaber : But if I may expand on the answer to this question: I know the RR is very reliable. On average, 15,000 cycles between overhauls when cycle limited. M
42 Jeb94 : In talking with a former coworker who worked at National and then TMA, he loved the Pratts because of their plug and play nature. The PW2000 is Fadec
43 Post contains images Aogdesk : Count the fan blades as they rotate PW: 37 blades RR: 22 blades
44 Go3Team : Wait, what? Why so long?
45 Post contains images Lightsaber : The improvement in shop practaces that occured during the last 15 years is amazing. But there are some major changes that occured that result in toda
46 Go3Team : Thanks for the detailed reply. Now that I think about it, I can see it. Imagine having to take your car in for a new engine, and having to wait 2.5 m
47 Lotsamiles : Lightsaber, Your knowledge on the 757 engines is impressive. Do you happen to know about an engine mount change that was done on the PW2000 series eng
48 Lightsaber : Alas, I do not know these details about the PW2000 nacelle. Lightsaber
49 MarkC : You are definately talking about an airframe change, not an engine change. As far as the engines are concerned, the forward mount P/N is the same on
50 Lotsamiles : I am interested in knowing about a change in the mounts or pylon that was done to the PW2000 series fitted 757's to reduce vibration and/or to prolon
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