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Boeing Yellowstone Project  
User currently offlineOkees From Canada, joined Sep 2005, 424 posts, RR: 5
Posted (9 years 1 month 2 weeks 4 days 21 hours ago) and read 8271 times:

Was reading about the yellowstone project, which seems to be a project that will replace all current boeing aircraft. So far boeing is focusing on Y2.. which introduces the 787.. is there any information regarding Y1 and Y3? Did anyone hear/read about possible 737, 747, and 777 replacements?

Okees


mobs jakis
11 replies: All unread, jump to last
 
User currently offlineBoeing nut From , joined Dec 1969, posts, RR:
Reply 1, posted (9 years 1 month 2 weeks 4 days 13 hours ago) and read 8037 times:

From what I remember, Yellowstone was/is a codename for technology that is to be used on future Boeing models, not a term for the models themselves. The term Yellowstone was tossed around a lot during Sonic Cruiser studies and even during early 787 development.

Regards


User currently offlineZvezda From Lithuania, joined Aug 2004, 10511 posts, RR: 64
Reply 2, posted (9 years 1 month 2 weeks 4 days 12 hours ago) and read 7997 times:

Y1 is the eventual replacement for the B737 and B757.
Y2 is the B787.
Y3 is the eventual replacement for the B777-300 and B747.

Only Y2 is certain. Y1 and Y3 are just tentative plans.


User currently offlineBoeingBus From United States of America, joined May 2004, 1597 posts, RR: 17
Reply 3, posted (9 years 1 month 2 weeks 4 days 12 hours ago) and read 7928 times:

http://www.flightinternational.co.uk...on/240/198872/Not+if+but+when.html

FROM FI article... very interesting...

Behind the scenes, however, initial product development work is already being conducted on the 737 successor platform. Believed to be codenamed Yellowstone 1 (Y1), the project forms one of the three Yellowstone new-generation studies emerging from the broad-based "Project 20XX" advanced technologies initiative behind the Sonic Cruiser and subsequently the 787. In this sequence, Y1 is believed to cover the 100-200 passenger range; Y2, which became the 787, covers the 200- to 350-seat range; and Y3 covers the range for what could eventually become a long-term successor to the 777 in the next decade.

A handful of product-development engineers who were working on the Sonic Cruiser and the pre-launch phases of the 7E7/787 up to 2004 are now believed to have been redirected to work on the early stages of the Y1. Sources familiar with the project say the aim is to use as many technologies from the 787 programme as possible, but one adds: "It is not really clear how the technology for the 787 can make its way – dollar-wise – on to a smaller aircraft. It isn't easy, unless you've made it that way from the start. Everybody is jumping on that bandwagon and rolling over to the programme. Whole teams are setting up to carry it to firm configuration, though it is still years away."



Airbus or Boeing - it's all good to me!
User currently offlineZvezda From Lithuania, joined Aug 2004, 10511 posts, RR: 64
Reply 4, posted (9 years 1 month 2 weeks 4 days 11 hours ago) and read 7865 times:

Quoting BoeingBus (Reply 3):
Y2, which became the 787, covers the 200- to 350-seat range

What would a 350 seat B787 be? It all depends on seating configuration. Fortunately, we have a good clue: The smallest size (B787-3/8) is implied to be a 200 seat model. That means a 3 class configuration. A B787 with 350 seats in 3 classes would not be a B787-10X, which would seat 307 in a three class configuration with 61" F pitch, 39" C pitch, and 32" Y pitch. The 350 seat B787 mentioned by FI would have to be a 75 meter stretch -- about the same size as the A340-600.


User currently offlineBoeing nut From , joined Dec 1969, posts, RR:
Reply 5, posted (9 years 1 month 2 weeks 4 days 11 hours ago) and read 7756 times:

It would appear that my info was incorrect.  no 

User currently offlineN60659 From United States of America, joined Mar 2005, 654 posts, RR: 24
Reply 6, posted (9 years 1 month 2 weeks 4 days 10 hours ago) and read 7669 times:

Quoting Zvezda (Reply 4):
The 350 seat B787 mentioned by FI would have to be a 75 meter stretch -- about the same size as the A340-600.

Zvezda, I think your assumption that the Y2 definition up to 350 seats translates to a typical three-class seating arrangement may not necessarily be true. My read on that statement is that the Y2 definition translates to a single class, all-economy "pack it to the rafters" type seating arrangement at the upper end of the spectrum. If that is the case, would the proposed 787-10X study not cover that definition? It is kind of in the same vein as the 773ER has a typical 3-class seating arrangement for 365 passengers, but has the potential to seat up to 550 passengers in a single-class layout. Just a thought.

-N60659

[Edited 2005-11-04 22:01:37]


Nec Dextrorsum Nec Sinistrorsum
User currently offlineStitch From United States of America, joined Jul 2005, 31418 posts, RR: 85
Reply 7, posted (9 years 1 month 2 weeks 4 days 10 hours ago) and read 7629 times:
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I agree. A 350-seat three-class plane sounds like 777/Y3 territory.

User currently offlineZvezda From Lithuania, joined Aug 2004, 10511 posts, RR: 64
Reply 8, posted (9 years 1 month 2 weeks 4 days 9 hours ago) and read 7548 times:

Quoting N60659 (Reply 6):
I think your assumption that the Y2 definition up to 350 seats translates to a typical three-class seating arrangement may not necessarily be true.

My assumption may not be true. It essentially is an assumption that the 350 number is comparable to the 200 number. The 200 number surely is a 3 class configuration.


User currently offlineN60659 From United States of America, joined Mar 2005, 654 posts, RR: 24
Reply 9, posted (9 years 1 month 2 weeks 4 days 8 hours ago) and read 7469 times:

Quoting Zvezda (Reply 8):
It essentially is an assumption that the 350 number is comparable to the 200 number. The 200 number surely is a 3 class configuration.

I see what you are saying, however, like Stitch pointed out, a three-class 350-seat Y2 airframe would significantly overlap the corresponding Y3 equivalent.

-N60659



Nec Dextrorsum Nec Sinistrorsum
User currently offlineArmitageShanks From UK - England, joined Dec 2003, 3645 posts, RR: 15
Reply 10, posted (9 years 1 month 2 weeks 4 days 2 hours ago) and read 6675 times:

RAMONE!!! Bring me an aircraft made of composite material!!!

User currently offlineZvezda From Lithuania, joined Aug 2004, 10511 posts, RR: 64
Reply 11, posted (9 years 1 month 2 weeks 4 days 1 hour ago) and read 6572 times:

Quoting N60659 (Reply 9):

I see what you are saying, however, like Stitch pointed out, a three-class 350-seat Y2 airframe would significantly overlap the corresponding Y3 equivalent.

Not necessarily. Y3 could end up being, for example, 11 abreast on a single deck, with the shortest version being a bit larger (cabin floor area) than the B777-300.


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