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CarlosSi
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PW2000 version on LUA 757s

Wed Aug 09, 2017 6:53 am

I used to be under the impression that all of theirs used PW2040, as opposed to Delta which mostly used PW2037. I can only tell based on the sound the engines make; the 37 is whinier and "whistles" more, whereas the 40 is a bit more quieter, if I'm correct. Though I'm confused if there's any difference at all in the design when I hear a LUA 757 sounding like it's a Delta. Maybe it's just the surrounding air conditions?

https://www.youtube.com/watch?v=mHxAdkPlypc

https://www.youtube.com/watch?v=gsloAS9SzX4
 
oldannyboy
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Re: PW2000 version on LUA 757s

Wed Aug 09, 2017 8:09 am

Ha!..interesting post...I am one who is pretty much obsessed with the way different engines sound... and I frankly never gave much thought to the different sound of the different variants..you are clearly one step above me in the game! ;-) I always liked how the PW2000 sounds, and find it less obtrusive in the cabin whilst flying on the 757 than my beloved RB211...but I confess I just LOVE the whine of Rollers on take off...they give me goose bumps!
 
LH707330
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Re: PW2000 version on LUA 757s

Wed Aug 09, 2017 4:21 pm

I wasn't aware that there are many major differences between them, isn't it just a few changes in the core and a different software setting? None of that should change the sound much.
 
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LAXintl
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Re: PW2000 version on LUA 757s

Wed Aug 09, 2017 5:21 pm

UAL is all 2037.
From the desert to the sea, to all of Southern California
 
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CarlosSi
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Re: PW2000 version on LUA 757s

Mon Aug 14, 2017 5:31 am

LAXintl wrote:
UAL is all 2037.


Ah really? I used to think since they didn't quite sound the same as Delta's (often times, again it may be other variables...) that they used a slightly different engine instead, the 2040. I'm probably just overthinking it.

Are there any known operators of the PW2040 though? I know the 757-300s use PW2043.
 
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DL_Mech
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Re: PW2000 version on LUA 757s

Mon Aug 14, 2017 11:14 am

CarlosSi wrote:
Are there any known operators of the PW2040 though? I know the 757-300s use PW2043.


UPS uses the PW2040.
This plane is built to withstand anything... except a bad pilot.
 
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CarlosSi
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Re: PW2000 version on LUA 757s

Mon Aug 14, 2017 4:01 pm

DL_Mech wrote:
CarlosSi wrote:
Are there any known operators of the PW2040 though? I know the 757-300s use PW2043.


UPS uses the PW2040.


Could 2037 be altered into a 2040? I would think since UPS took a chunk of United 757s that they would want the extra thrust.
 
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767333ER
Posts: 486
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Re: PW2000 version on LUA 757s

Mon Aug 14, 2017 4:21 pm

CarlosSi wrote:
LAXintl wrote:
UAL is all 2037.


Ah really? I used to think since they didn't quite sound the same as Delta's (often times, again it may be other variables...) that they used a slightly different engine instead, the 2040. I'm probably just overthinking it.

Are there any known operators of the PW2040 though? I know the 757-300s use PW2043.

Delta actually has all 3 versions in their 757 fleet. They have the 2043 on the 757-300s, the 2040 on overseas 757-200s, and 2037 on the rest of the 757-200s.
Been on: 732 733 734 73G 738 752 763 A319 A320 A321 CRJ CR7 CRA/CR9 E145 E175 E190 F28 MD-82 MD-83 C172R C172S P2006T
 
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res77W
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Re: PW2000 version on LUA 757s

Mon Aug 14, 2017 6:36 pm

Would thrust settings apply here? If the jet is taking off with a higher thrust setting, I'd assume that would affect the pitch of the sound and the whining.

-Rowen

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