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Ronaldo747
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Boeing examines GEnX powered 767

Thu Oct 10, 2019 4:46 pm

According from Flightglobal, Boeing might launch a GEnX-powered 767, mainly for Cargo ops.

https://www.flightglobal.com/news/artic ... pa-461386/
 
Scarebus34
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 4:54 pm

United was interested in some new build 767s not too long ago but Boeing told them no... this clearly seems like the alternative.
 
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Momo1435
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:01 pm

Boeing obviously says it's mainly for cargo, but you can bet that they are pitching this to all the airlines that have already shown interest in the NMA/MOM/797.

If this can be a cheap and quick alternative to a new plane with both passenger and cargo customers backing it there would be no reason for Boeing to not pursue this option. It can make a profitable business case without a very large number of orders.

The Airbus developments with the A321XLR and the A330neo picking up some steam show that airlines don't always need the most newest of newest planes. They probably also worry about the likely delays that come with the development of a completely new plane.
 
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ikolkyo
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:02 pm

This reminds me of how the MAX was born. Boeing wanted to develop NSA to replace the 737 but was facing massive issues with getting the 787 up and running at the time and was forced to do the cheaper, safer option of redeveloping then 737 again.

Here we are again in 2019 and Boeing is interested in developing NMA to replace the 757/767. But another Boeing aircraft is having issues (737 MAX) that they must deal with and may again be forced into the cheaper, safer option. IMO I think Boeing should still go forward with NMA and pass on this but we shall see where this goes.
 
ILNFlyer
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:06 pm

I wonder why the are focusing on the -400....and the Genx-1b has been available since the launch of the 787, wonder why this wasn't studied much earlier....
 
chiki
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:07 pm

ILNFlyer wrote:
I wonder why the are focusing on the -400....and the Genx-1b has been available since the launch of the 787, wonder why this wasn't studied much earlier....
Will not be surprised there is an earlier study

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keesje
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:08 pm

I think I created posts on that 13, 7, 2, 1 years ago. First I had the Dreamliner crowd all over me (787 = 767 replacement) later on the MOM/NMA crowd.

Always felt it was a reasonable idea. The 767 is 30t lighter than the A330/787, right sized, got significant updated for the -400ER and KC-46.

And it has an existing production line and supply chain. And United asked for it.. and can do serious cargo.. and lacks expensive composites infrastructure.. and has a much better MCAS..

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Last edited by keesje on Thu Oct 10, 2019 5:28 pm, edited 4 times in total.
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JetBuddy
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:17 pm

From the article:

"FlightGlobal has learned that the study, with project name 767-XF, is based on the 767-400ER platform and powered by GE Aviation GEnx engines. To accommodate the larger-fan engines, the aircraft would incorporate extended landing gear to provide the necessary ground clearance."

"Sources indicate that a passenger 767-X development is also part of the project, which Boeing is examining as a cheaper, lower-risk alternative to developing the NMA – a clean-sheet design powered by next-generation engines."

"Boeing is evaluating how it tackles the so-called "middle-of-the-market" and counter Airbus’s assault with its A321XLR and A330neo derivatives. If a 767-X derivative was to replace the NMA in Boeing's product development plan, it could then potentially enable the US airframer to allocate its financial and engineering resources towards development of a "Future Small Airplane". This could allow more rapid development of an all-new single-aisle to succeed the 737 Max."


On the civilian side - what would the market apetite be for a 767 MAX in 2023 as an alternative to a brand new clean sheet MOM in 2025 or so?

It seems like Boeing is considering scrapping the MoM and re-engine the 767 instead to have more funds to build a 737 replacement. I think it's a logical step considering all the issues with the MAX and it's reputation. On the other hand, a 767 MAX could become a repeat of the 737 MAX. Although I do believe they've learned a lesson by now.
 
mjoelnir
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:21 pm

I assume that this will be the death of the NMA project. The launch of the NMA has been now moved back the third year and I suspect the business case does not match up.
 
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ODwyerPW
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:25 pm

764 received the larger 777's Windows... of course now the 777-9 has received the 787 windows. But then a cargo plane wouldn't have any. Ni modo.
So there is a market for a Freighter between the existing 763-F and the 772-F?

The idea of a limited development effort for the MOM,NMA based on 767-400ER... and freeing up more resources for RSA is a interesting. I can see it resurrecting all of those it can't haul the containers an A330 can threads..... Oh well.
Last edited by ODwyerPW on Thu Oct 10, 2019 5:39 pm, edited 1 time in total.
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birdbrainz
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:26 pm

How much do you want to bet that includes a resculpting of the side panels to make 8-abreast semi-tolerable? ("Semi-tolerable" as in a 777 10 abreast layout.)

Have to agree that it seems like a giant race to the bottom in the cabin comfort department, and I'm surprised that the 767-400 is chosen. Seems awfully big to me.
A good landing is one you can walk away from. A great landing is if the aircraft can be flown again.
 
DarthLobster
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:28 pm

Based on the 764??? Good lord, talk about aerospace necromancy. Boeing REALLY doesn’t want to launch the NMA...
Last edited by DarthLobster on Thu Oct 10, 2019 5:31 pm, edited 1 time in total.
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:30 pm

Look I get the 767 has been a highly successful freighter, but Boeing can't be serious. The 788F is the obvious successor to that, and the 787 backlog has shrunk once again, so the time to launch the 787F is now. The NMA honestly should be a re-engined, re-winged 757 stretch if they're going to go down a derivative/grandfathering route.
 
Palop
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:31 pm

The 767 in general, and 400 in particular, is pretty and well proportioned (not that t matters to anyone but me). It is comfortable and convenient for customers with its 2-3-2. They will not run into a MAX engine position issue since they are free to extend the legs without worrying about overwing emergency exits. And hey clearly have an issue closing the business case for a clean sheet MoM being squeezed from below by the 321 XRLRXSSLR, and the top by the 330 NEO.
So, if the 767 MAX can close the business case and make it attractive to both cargo and pax airlines, I'd think they'd be smart to go for it. It may not have the raw efficiency numbers of a clean sheet, but the value proposition will be similar to the 330 NEO, where lower initial cost offsets somewhat higher fuel burn.
 
DCA350
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:32 pm

This is interesting.. but considering the A330 kicked the 767's @ss ,leading to Boeing building the 787 I can't see how the passenger 767MAX would be that successful except for the most ardent 767 customers like UA. Delta and AA have already moved on with the NEO and 787. Cargo could be interesting.. Airbus has apparently given up on the A330F, they won't even upgrade it to the highest MTOW of the newest passenger models so a 767FMAX would have the market to itself.
 
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scbriml
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:33 pm

patrickjp93 wrote:
The NMA honestly should be a re-engined, re-winged 757 stretch if they're going to go down a derivative/grandfathering route.


:lol: :rotfl: :lol:

That's even funnier than a 767MAX.
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patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:36 pm

birdbrainz wrote:
How much do you want to bet that includes a resculpting of the side panels to make 8-abreast semi-tolerable? ("Semi-tolerable" as in a 777 10 abreast layout.)

Have to agree that it seems like a giant race to the bottom in the cabin comfort department, and I'm surprised that the 767-400 is chosen. Seems awfully big to me.


The wider the fuselage, the higher the drag, so as we come to the end of optimizing airframe shapes for long haul, well, yeah, the same number of people in a tighter space is more efficient for the airline. 17.6" isn't bad really. 17.2/3 is where I'm rubbing shoulders with my neighbors. At 17.6 I don't need to curl my arms forward to avoid it. 18" is probably the most you should expect in long-haul craft moving forward.
 
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keesje
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:38 pm

I guess the "767-400ER based derivative" would be the glass cockpit, system upgrades, 777 style Signature interior, etc.

The fuselage lenght(s) capacity would probably more in the 767-200-300 area. The 400ER is serious overlapping the 787-8.

As said the USAF replaced a lot of legacy system already, they want to fly 767s for 40+ years.

Fedex, UPS, Delta, United and AA, the biggest 767 would no doubt applaud this initiative. As well as local authorities, DoD, congress..
Last edited by keesje on Thu Oct 10, 2019 5:45 pm, edited 1 time in total.
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OmerMaz
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:39 pm

Maybe they'll relaunch the double deck tri-hauler 767-100 that was proposed before the 777 came into mind...

I mean, haven't we had enough of issues regarding re-engining and leaving the rest pretty much the way it was?

I'm not talking about the 777X or the 737NG in this case.
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:40 pm

scbriml wrote:
patrickjp93 wrote:
The NMA honestly should be a re-engined, re-winged 757 stretch if they're going to go down a derivative/grandfathering route.


:lol: :rotfl: :lol:

That's even funnier than a 767MAX.


How so? The 757 lacks a supercritical wing, so the better aerodynamics and higher fuel storage of a new wing, combined with roughly 20% more efficient engines, gives us a range of 8000km, which is pretty much the 10-hour range Boeing's been touting for the NMA target, and the 757-300 already has 240 passenger capacity, so a stretch getting us to 270 is hardly unreasonable.
 
B777LRF
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:44 pm

Boeing have been reluctant to go down this path for a number of reasons, one of which was fear of it diluting 787 sales, particularly for the -8 model. Since that model is not selling well at all, and there's still a lot of clear air between a 767NG and a 787-9, that fear may have diminished considerably by now.

The NMA was always a hard sell, particularly the lack of a suitable engine within a reasonable timeline, to form the bedrock of the whole endeavour, has been troubling. The not impressively big market niche hasn't been easy to work with either. But if fuel burn can be reduced by a good 15% by dangling GEnx's off the wings on the old girl, that might very well be a rather good idea.
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wjcandee
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:45 pm

I think Boeing has proven that a redesign of an existing aircraft with new engines is no small engineering feat, especially if they want it to have a common type rating.

Here we go again with the extended landing gear, engines that impose distinctly-different forces on the airframe but they want it to fly exactly the same as the existing aircraft. That's what got the MAX in trouble.
 
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par13del
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:46 pm

Why would they want to switch the current cargo a/c to the -400 size when the cargo variant is what is pushing this initiative, if we include the pax NMA / MOM initiative, the -200 size is closer to what is required.
The -400 size to me just seems like trying to give some designers work, use the existing cargo variant, put the GENX engines on that then make a pax variant removing as much weight as possible.
 
VSMUT
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:47 pm

patrickjp93 wrote:
Look I get the 767 has been a highly successful freighter, but Boeing can't be serious. The 788F is the obvious successor to that, and the 787 backlog has shrunk once again, so the time to launch the 787F is now. The NMA honestly should be a re-engined, re-winged 757 stretch if they're going to go down a derivative/grandfathering route.


There is no guarantee that a 787F will ever work. Remember the issues Boeing had with the graphite floor beams of the 777, preventing cargo conversions. The way Boeing builds the 787 fuselage barrel in one piece, it isn't too far fetched that stronger floor beams would be cost prohibitive.
 
UPS757Pilot
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:49 pm

MD-11 replacement. The 767 can ft in existing parking infrastructure at the main hubs, where as the 777F, 787F?, A330F and A350F? wingspan is just too big. Add in fleet commonality and qualified crews and I can see UPS being very interested in this proposal.
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:52 pm

wjcandee wrote:
I think Boeing has proven that a redesign of an existing aircraft with new engines is no small engineering feat, especially if they want it to have a common type rating.

Here we go again with the extended landing gear, engines that impose distinctly-different forces on the airframe but they want it to fly exactly the same as the existing aircraft. That's what got the MAX in trouble.


The 737 MAX specifically has trouble because the engines have to move forward due to the grandfathering restriction of the wings not being more than 5 feet above the ground in order to keep the overwing exits and evacuation. The 767 is a different ballgame.
 
morrisond
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:52 pm

I think the 767-400 has some Center of Gravity Issues. The presumably heavier GENx engines could help that if COG is too far aft.

Most Package Freighters are Volume limited so this may be an Amazon special by using the 400.
 
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kjeld0d
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:53 pm

My advice: Lengthen it a few frames. Then install a computer control system to keep it flyable.
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:55 pm

UPS757Pilot wrote:
MD-11 replacement. The 767 can ft in existing parking infrastructure at the main hubs, where as the 777F, 787F?, A330F and A350F? wingspan is just too big. Add in fleet commonality and qualified crews and I can see UPS being very interested in this proposal.


These main hubs have plenty of 747 8F space. The wingspan argument really doesn't fly. The 767F is essentially peerless right now, but for Boeing to maintain dominance and keep Airbus from trying to swoop in, they need to probably make a more compelling case than just new engines. Supercritical wing improvement probably being a necessary part of that.
 
texl1649
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:56 pm

McDonnell Douglas is dead. Long live the McDD management!
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:59 pm

texl1649 wrote:
McDonnell Douglas is dead. Long live the McDD management!

A decent chunk of said MD management is now gone though. If this IS specifically for the freighter market, and not also intended to be the new NMA stopgap, then that's fine. The freighter market is usually running lots of inefficient, legacy hardware, so in the era of ultra high fuel prices, it's probably a good idea to re-engine the old beasts while new frames are being built in passenger land.
 
texl1649
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 5:59 pm

kjeld0d wrote:
My advice: Lengthen it a few frames. Then install a computer control system to keep it flyable.


No commercial aircraft has ever been certified as fly by wire where the predecessor was fly by steel. Boeing's record 'patching' CoG issues with electronic systems is not....great.
 
danipawa
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:01 pm

Interesting, what they should do with the 757..
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:01 pm

Wouldn't we instead go with a GE9X derivative if possible? I get we can PIP the GEnx 2B (767 needs a bleed air engine) with CMC parts, but that'll probably still be less efficient than the 9X architecture.
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:02 pm

texl1649 wrote:
kjeld0d wrote:
My advice: Lengthen it a few frames. Then install a computer control system to keep it flyable.


No commercial aircraft has ever been certified as fly by wire where the predecessor was fly by steel. Boeing's record 'patching' CoG issues with electronic systems is not....great.


Actually until the 737 MAX it was flawless. They've done so for several military transports. Why the knuckleheads cut corners on the 737 MAX is anyone's guess for now.
 
sxf24
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:08 pm

Although news, this is NOT a new study. Boeing has looked at the 767-X for years. Proceeding with this project would not preclude the NMA.
 
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scbriml
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:10 pm

patrickjp93 wrote:
scbriml wrote:
patrickjp93 wrote:
The NMA honestly should be a re-engined, re-winged 757 stretch if they're going to go down a derivative/grandfathering route.


:lol: :rotfl: :lol:

That's even funnier than a 767MAX.


How so? The 757 lacks a supercritical wing, so the better aerodynamics and higher fuel storage of a new wing, combined with roughly 20% more efficient engines, gives us a range of 8000km, which is pretty much the 10-hour range Boeing's been touting for the NMA target, and the 757-300 already has 240 passenger capacity, so a stretch getting us to 270 is hardly unreasonable.


It's not ever happening. The 757 is as dead as a Monty Python parrot.

danipawa wrote:
Interesting, what they should do with the 757..


Just stop it. See above.
Time flies like an arrow. Fruit flies like a banana!
There are 10 types of people in the World - those that understand binary and those that don't.
 
texl1649
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:13 pm

The GEnX was first run around 2006. This is an engine that was largely developed roughly 20 years ago (more, from an EIS perspective on some 767 derivative). Who in their right mind would put a new model out with it's basis 40+ year old wings and a 20 year old engine?

Sure, they could easily throw it on some freighters, and GE would be happy to offer it as an upgrade to the KC-46 in another 10 (or 40) years, but it's silly as a passenger model consideration. The 787 itself is approaching an NEO/MAX age.
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:17 pm

texl1649 wrote:
The GEnX was first run around 2006. This is an engine that was largely developed roughly 20 years ago (more, from an EIS perspective on some 767 derivative). Who in their right mind would put a new model out with it's basis 40+ year old wings and a 20 year old engine?

Sure, they could easily throw it on some freighters, and GE would be happy to offer it as an upgrade to the KC-46 in another 10 (or 40) years, but it's silly as a passenger model consideration. The 787 itself is approaching an NEO/MAX age.

Considering Boeing just put state-of-the-art wings on the 777X, you think they WOULDN'T redesign the 767 wing to be supercritical? And just because the GEnx is technically 20 years old does not mean there is a better option on the market. It won't be long before the CMC PIP from the GE9X program comes in, so that'll put it on equal footing with the Trent XWB in efficiency, or roughly 2% behind the GE9X. Seems like a stellar upgrade path to me.
 
WPvsMW
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:20 pm

patrickjp93 wrote:
Why the knuckleheads cut corners on the 737 MAX is anyone's guess for now.


I think we all know the answer to that question. "Greed is good", said Mr. Gecko.
 
UPS757Pilot
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:25 pm

patrickjp93 wrote:
UPS757Pilot wrote:
MD-11 replacement. The 767 can ft in existing parking infrastructure at the main hubs, where as the 777F, 787F?, A330F and A350F? wingspan is just too big. Add in fleet commonality and qualified crews and I can see UPS being very interested in this proposal.


These main hubs have plenty of 747 8F space. The wingspan argument really doesn't fly. The 767F is essentially peerless right now, but for Boeing to maintain dominance and keep Airbus from trying to swoop in, they need to probably make a more compelling case than just new engines. Supercritical wing improvement probably being a necessary part of that.

You cannot park a 747-8 on the wings in SDF so a new 767 would fit right in.
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:26 pm

WPvsMW wrote:
patrickjp93 wrote:
Why the knuckleheads cut corners on the 737 MAX is anyone's guess for now.


I think we all know the answer to that question. "Greed is good", said Mr. Gecko.

Well, with no greed, neither Boeing nor Airbus would be building planes, so...
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:28 pm

UPS757Pilot wrote:
patrickjp93 wrote:
UPS757Pilot wrote:
MD-11 replacement. The 767 can ft in existing parking infrastructure at the main hubs, where as the 777F, 787F?, A330F and A350F? wingspan is just too big. Add in fleet commonality and qualified crews and I can see UPS being very interested in this proposal.


These main hubs have plenty of 747 8F space. The wingspan argument really doesn't fly. The 767F is essentially peerless right now, but for Boeing to maintain dominance and keep Airbus from trying to swoop in, they need to probably make a more compelling case than just new engines. Supercritical wing improvement probably being a necessary part of that.

You cannot park a 747-8 on the wings in SDF so a new 767 would fit right in.


Putting aside Louisville's falling relevance, you can't get more volume to be more efficient without more wing, so that sounds like a THEM problem to me.
 
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smithbs
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:32 pm

Interesting concept for 767. Does Boeing see higher interest rates coming, which may drive operators toward lower acquisition costs? If the world is settling in for higher interest rates and off-peak oil costs, then this is worth looking into. The Flight Global article above was interesting - not a bad idea to patch 767 for MOM and let them do a fresh-sheet 737. The MAX will hold the line for awhile, but it's getting on borrowed time as the A320/1 neo and A220 are pressing hard now.

And enough with the 757 and MAX comparisons! 757 production is ancient history and MAX will be fixed and flying soon.
 
StTim
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:33 pm

patrickjp93 wrote:
scbriml wrote:
patrickjp93 wrote:
The NMA honestly should be a re-engined, re-winged 757 stretch if they're going to go down a derivative/grandfathering route.


:lol: :rotfl: :lol:

That's even funnier than a 767MAX.


How so? The 757 lacks a supercritical wing, so the better aerodynamics and higher fuel storage of a new wing, combined with roughly 20% more efficient engines, gives us a range of 8000km, which is pretty much the 10-hour range Boeing's been touting for the NMA target, and the 757-300 already has 240 passenger capacity, so a stretch getting us to 270 is hardly unreasonable.


They could knock it out of the parts bin plus a new wing in about 3 years. Add a six month test flight schedule. Hey airlines could be flying this in by 2024.


Except the tooling has gone,
The fuselage was overweight (to current standards)
The systems would need a complete update
Flight test would take at least a year.

This would only be available about 2026 and by then the market has moved on.
 
FLALEFTY
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:37 pm

For those wondering why Boeing is looking at the 764 as a possible platform for a new aircraft to address the NMA/767XF, here's an archived fact sheet for the 764 from Boeing's website for your perusal:

https://www.boeing.com/commercial/aerom ... 01txt.html
 
patrickjp93
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Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:40 pm

StTim wrote:
patrickjp93 wrote:
scbriml wrote:

:lol: :rotfl: :lol:

That's even funnier than a 767MAX.


How so? The 757 lacks a supercritical wing, so the better aerodynamics and higher fuel storage of a new wing, combined with roughly 20% more efficient engines, gives us a range of 8000km, which is pretty much the 10-hour range Boeing's been touting for the NMA target, and the 757-300 already has 240 passenger capacity, so a stretch getting us to 270 is hardly unreasonable.


They could knock it out of the parts bin plus a new wing in about 3 years. Add a six month test flight schedule. Hey airlines could be flying this in by 2024.


Except the tooling has gone,
The fuselage was overweight (to current standards)
The systems would need a complete update
Flight test would take at least a year.

This would only be available about 2026 and by then the market has moved on.


Overweight fuselage in the legacy model doesn't mean much. Engineering has come a long way on wiring and routing of bleed air systems. And Al-Li fuselages are nothing new. For grandfathering you just have to match fuselage dimensions and COG. And Boeing can re-sculpt the interior to eke out some additional passenger room and make it to 17.4" a seat like the 777X. The old tooling would likely be worthless anyway, so why not? Lead time on the 777X fuselage wasn't so bad and was not based on the original tooling at the end of the day.
 
anrec80
Posts: 2193
Joined: Mon Jan 10, 2011 7:50 am

Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:50 pm

ILNFlyer wrote:
I wonder why the are focusing on the -400....and the Genx-1b has been available since the launch of the 787, wonder why this wasn't studied much earlier....


Wouldn’t 787 engine be a bit too much for 767?
 
User avatar
OA940
Posts: 1938
Joined: Fri May 20, 2016 6:18 am

Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:57 pm

OK but the 764 is literally the 788 of the family. If they wanna launch a re-engined 767 and not doing it on the -300ER platform I'm actually convinced they are dumb.
A350/CSeries = bae
 
patrickjp93
Posts: 389
Joined: Thu Aug 22, 2019 12:00 pm

Re: Boeing examines GEnX powered 767

Thu Oct 10, 2019 6:58 pm

anrec80 wrote:
ILNFlyer wrote:
I wonder why the are focusing on the -400....and the Genx-1b has been available since the launch of the 787, wonder why this wasn't studied much earlier....


Wouldn’t 787 engine be a bit too much for 767?

The GEnx 2B or a bleed-modified 1B from the 788's thrust levels would be only slightly on the high side before any wing improvements, but they're also heavier engines, so it might work out once you get the heavier pylons, strengthened spars, etc..
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