Mr.BA
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B767/B747 Engines

Mon Nov 20, 2000 8:07 am

Hello! guys,

Ermm... my friend told me that a Pratt and Whitney engine of a B767 is the same to a B747-400, except that the B747-400 uses 4 of them, while the B767 uses only 2.

Is he right??? Or is he just talking crap???

Thanks,

Alvin
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RE: B767/B747 Engines

Mon Nov 20, 2000 8:11 am

The PW4000 series comes in multiple fan sizes and is used on aircraft ranging from the A310 to the B747.
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RE: B767/B747 Engines

Mon Nov 20, 2000 8:15 am


I am pretty sure the Rolls Royce RB211 can be used on both as well. For the most part I believe it is as simple as a circuit board change when swapping an engine from a B767 to a B747 (v'v'). I am not sure whether airlines do this as standard maintenance practice though?

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RE: B767/B747 Engines

Mon Nov 20, 2000 9:06 am

This is the reason why airlines like United have ordered P&W 4000 series engines on their 747-400s and 767-200/300s so they can swap these engines on both types of aircraft. The same goes for airlines with GE CF6s like KLM, Air France, Alitalia, Lufthansa and American and Rolls Royce RB211s like Qantas and British Airways.
 
acvitale
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RE: B767/B747 Engines

Mon Nov 20, 2000 1:11 pm

Yes your friend is correct.

The early 747s 100/200 series had the Pratt and Whitney JT9Ds as did the early 767-200s

Later versions of the 747 -300/400 and the 767-200/200ER/300/300ER had the PW 4000 series (4056 and 4060)

The A310 also can use the PW 4000 series as noted

The RB211 series was available on the DC-10/L1011/747/767/A310 and more

Al
 
Mr.BA
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RE: B767/B747 Engines

Mon Nov 20, 2000 1:17 pm

Thank you for your help. I never knew that. All I know that they seems the same...

Alvin
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RE: B767/B747 Engines

Mon Nov 20, 2000 10:48 pm

Hi guys,
I was wondering to know the exact distribution of engine choice for the 767.
I think the most popular choice is the GE CF6-80 followed by the PW 4000 series.

If I am not wrong only British Airways and Qantas (which uses some examples leased from BA) chose the RB.211-524G/H to power their 767.

Considering that the RR engine is available in different version for 757/767/747 it is quite strange that only a couple of airlines opted for it.

Any idea?

Ciao

Stefano
 
raggi
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RE: B767/B747 Engines

Tue Nov 21, 2000 1:12 am

A chinese airline ( don`t remember the name, perhaps it China Yunhan Airlines? ) and BA are the only airlines that have specified RR engines on the 767.
Stick & Rudder
 
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RE: B767/B747 Engines

Tue Nov 21, 2000 2:35 am

The RB211 series was available on the DC-10/L1011/747/767/A310 and more

Sorry buddy, wrong on a number of counts. The RB.211 is NOT offered on the DC-10, 767 or A310/A300. On these A/C only P&W or GE are the choices.


One question though...I know that the early 767s had JT9D engines. But how come they look so different from the "pen" shaped ones on the 747?
 
raggi
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RE: B767/B747 Engines

Tue Nov 21, 2000 4:37 am

uh..

" The RB.211 is NOT offered on the DC-10, 767 "

yes the RB.211 is available on the 767. BA and a Chinese airline operate them , as well as Quantas, who are leasing / bying ex-BA aircraft.
if you don`t believe me CPDC10-30, check boeing.com
or britishairways.com for engines on the 767.
Stick & Rudder
 
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RE: B767/B747 Engines

Tue Nov 21, 2000 8:31 am

I did check boeing.com but under the 767-200.
 
Mr.BA
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RE: B767/B747 Engines

Tue Nov 21, 2000 8:47 am

Guys, just to let you know, that chinese airlines you were talking about is China Yunan Airlines.

Alvin
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RE: B767/B747 Engines

Tue Nov 21, 2000 9:16 am

whats been said about being able to swap PW4000s between the 744 and 767 is correct, only change is connecting up the second hydraulic system to the engine and the 767, and a minor circuit swap. (all PW4000s have 2 hydraulic feeds, 747 only uses 1 per engine though, the other is left sealed)
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