Useless Boeing engines!

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Batman

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#261272 18-Nov-2019 19:59

Air NZ has to cancel a big bunch of flights.

Do you think they would have gone with Airbus 350 if the benefit of hindsight was available?

https://www.stuff.co.nz/travel/news/117497136/air-new-zealand-international-services-in-turmoil-as-dreamliner-engine-issues-drag-on

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#2356943 18-Nov-2019 19:59

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#2356947 18-Nov-2019 20:03

@Batman Title should be useless Rolls Royce Engines not Boeing, The Airlines pick what engines go on the plane when they buy them

AirNZ picked the RR for the DreamLiner

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#2356951 18-Nov-2019 20:09

Linux:

@Batman It's not a Boeing Engine it's the engine the airline picks what engines go on the plane they purchase

no :)

Boeing don't make engines Rolls Royce and GE do

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#2356952 18-Nov-2019 20:10

Jase2985:

Linux:

@Batman It's not a Boeing Engine it's the engine the airline picks what engines go on the plane they purchase

no :)

Boeing don't make engines Rolls Royce and GE do

@Jase2985 Correct I am aware of that but I don't think Batman is, I also edited my post above as you quoted me sorry

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#2356960 18-Nov-2019 20:33

And not the only model to be faced with issues recently.

We may see some of our new birds out of service for a little bit too

https://www.flightglobal.com/news/articles/faa-proposes-new-airworthiness-directive-for-pw1100g-461267/

And then there's the A220 version which set off a few worrying checks https://www.flightglobal.com/news/articles/faa-proposes-checks-of-pratt-geared-turbofans-after-460749/

More bypass ratio, more power, bigger blades. Got to give somewhere. Unfortunately it's usually the front end!

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#2356961 18-Nov-2019 20:34

How could they have opted for the A350? It didn't exist when Air NZ opted for the Dreamliner.

And this whole discussion is pointless anyway - Boeing (and Airbus) don't design engines... And Airbus aircraft are being heavily affected by engine issues as well.

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Oblivian

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#2356963 18-Nov-2019 20:37

sbiddle:

How could they have opted for the A350? It didn't exist when Air NZ opted for the Dreamliner.

I did chuckle at the online experts saying that.

Along with the ones moaning summer holidays is a crap time of year to take them out. Not like the northern hemisphere is even more busy during our winter or anything..

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#2356966 18-Nov-2019 20:40

How hard would it be to modify a 787 to run GE engines instead of Rolls Royce?

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#2356968 18-Nov-2019 20:41

Oblivian:

sbiddle:

How could they have opted for the A350? It didn't exist when Air NZ opted for the Dreamliner.

I did chuckle at the online experts saying that.

Along with the ones moaning summer holidays is a crap time of year to take them out. Not like the northern hemisphere is even more busy during our winter or anything..

Most of the media comments today have been terrible, even from the so called "experts" that media have sought comment from. Most don't seem to realise this issue is very different to the one last year that affected the Package C engines that are on the code1 Dreamliner fleet. This affects the TEN engines which are only on the code2 Dreamliner fleet.

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#2356984 18-Nov-2019 21:13

DjShadow:

How hard would it be to modify a 787 to run GE engines instead of Rolls Royce?

In theory, the 787 was supposed to be designed with common systems for either engine so a swap would be possible. In practice though, apparently it's still so massively expensive to do an engine swap that it's unlikely to ever happen.

It was a "selling point" early on - a claimed advantage over the competition - but never practical.

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#2356985 18-Nov-2019 21:16

DjShadow:

How hard would it be to modify a 787 to run GE engines instead of Rolls Royce?

Relatively easy, Boeing designed them like that, IIRC they even have a common pylon

And if anyone was wondering how unhappy Air NZ are about this, their new batch of 787-10s has been ordered with the GE engine.
I surmise that it's not impossible that AirNZ might become the first 787 customer to swap engines, if the RR ones keep on being unreliable and they have a dream run with the GE

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#2356991 18-Nov-2019 21:26

Can only assume the plan comes on the back of RRs early november update. Which paints a not so cool picture

https://www.rolls-royce.com/media/press-releases/2019/07-11-19-trading-and-trent-1000-update.aspx

Improved high pressure turbine (HPT) blade for Trent 1000 TEN – the final fundamental issue to address – postponed to 2021.

Basically testing their repair plan to date, didn't change it. So no mass production and still a WIP

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#2356992 18-Nov-2019 21:26

sbiddle:

And Airbus aircraft have been heavily affected by engine issues as well.

Just a small correction from my side ;-)

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#2357006 18-Nov-2019 21:49

PolicyGuy:

Relatively easy, Boeing designed them like that, IIRC they even have a common pylon

They designed them with the expectation/hope they could use a common pylon, but apparently they can't - and apart from that cost, there's the other problem of where you'd be able to find new GE engines sitting in a warehouse waiting for a buyer to turn up. Production is to order, and at a guess there's a wait list.

Even if you could get the engines, that would cost >US $50 million per aircraft, and you'd be left with $50 million worth of RR engines per aircraft sitting n the back shed.

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#2357009 18-Nov-2019 21:54

Oops my bad.

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