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787 Aft Pressure Bulkhead  
User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Posted (7 years 6 months 1 week 4 days 12 hours ago) and read 9276 times:

I found this article very interesting, Boeing doesn't list this company as one of their suppliers.

http://www.compositesworld.com/hpc/issues/2007/may/111535/3

Scroll down to: VARTM'd rear pressure bulkhead.

12 replies: All unread, jump to last
 
User currently offlinePygmalion From United States of America, joined Jun 2006, 969 posts, RR: 38
Reply 1, posted (7 years 6 months 1 week 4 days 12 hours ago) and read 9250 times:

Eads is supplier to Vought and Alenia... not Boeing. So Boeing doesn't list them as a supplier. But yes, EADS is making the 787 aft bulkhead.

User currently offlineIkramerica From United States of America, joined May 2005, 21580 posts, RR: 59
Reply 2, posted (7 years 6 months 1 week 4 days 12 hours ago) and read 9237 times:

Don't they also make a similar piece in a similar way for the A380?


Of all the things to worry about... the Wookie has no pants.
User currently offlineAirframeAS From United States of America, joined Feb 2004, 14150 posts, RR: 24
Reply 3, posted (7 years 6 months 1 week 4 days 12 hours ago) and read 9237 times:

Is the 787 aft pressure bulkhead going to be the flat type bulkhead like the 739 has?


A Safe Flight Begins With Quality Maintenance On The Ground.
User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 4, posted (7 years 6 months 1 week 4 days 12 hours ago) and read 9218 times:

Quoting AirframeAS (Reply 3):
Is the 787 aft pressure bulkhead going to be the flat type bulkhead like the 739 has?

If you read the article states that the aft pressure bulkhead is a one piece dome.


User currently offlineAirframeAS From United States of America, joined Feb 2004, 14150 posts, RR: 24
Reply 5, posted (7 years 6 months 1 week 4 days 11 hours ago) and read 9170 times:

Quoting 474218 (Reply 4):
If you read the article states that the aft pressure bulkhead is a one piece dome.

I got bored with all the numbers all over the place on the article, so I got lazy and just went ahead and asked..... LOL!



A Safe Flight Begins With Quality Maintenance On The Ground.
User currently offlineScbriml From United Kingdom, joined Jul 2003, 12868 posts, RR: 46
Reply 6, posted (7 years 6 months 1 week 4 days 7 hours ago) and read 8881 times:
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Quoting Ikramerica (Reply 2):
Don't they also make a similar piece in a similar way for the A380?

Yes, a Boeing subsidiary (Hawker de Havilland in Australia) builds the A380 wing fences. They also build the winglets for the A330 & A340.



Time flies like an arrow, but fruit flies like a banana! #44cHAMpion
User currently offlineKeesje From , joined Dec 1969, posts, RR:
Reply 7, posted (7 years 6 months 1 week 4 days 6 hours ago) and read 8773 times:

I think we will see many subcontractors supply to various aircraft OEMS. Spirit (were 737 & 787 noses are build) is bidding to take over some Airbus factories. Alenia will probably build big parts of the 787 and A350XWB.

User currently offlineF86sabre From United States of America, joined Oct 2001, 92 posts, RR: 0
Reply 8, posted (7 years 6 months 1 week 4 days 5 hours ago) and read 8656 times:

I just hope the dome is much more durable than the ones they put in the 767s and other Boeing aircraft with domes. It will be interesting to see what the SRM will offer in terms of repairs.

Best wishes,
F86sabre


User currently onlineSEPilot From United States of America, joined Dec 2006, 7109 posts, RR: 46
Reply 9, posted (7 years 6 months 1 week 4 days 3 hours ago) and read 8482 times:

Quoting F86sabre (Reply 8):
I just hope the dome is much more durable than the ones they put in the 767s and other Boeing aircraft with domes.

What problems have they had? The only pressure dome problem I am aware of was the 747 in Japan that blew because of a faulty repair.



The problem with making things foolproof is that fools are so doggone ingenious...Dan Keebler
User currently offlineA10WARTHOG From United States of America, joined Jul 2004, 325 posts, RR: 0
Reply 10, posted (7 years 6 months 1 week 4 days 2 hours ago) and read 8340 times:

Quoting SEPilot (Reply 9):
What problems have they had? The only pressure dome problem I am aware of was the 747 in Japan that blew because of a faulty repair.

I would say that might be the only one that was a news event. When I started working the 777, one of the first thing the mechanics where telling me. Is when you go up into the 48 section, be extra careful for the pressure dome. They told me that they are easy to damage and not very fun to repair.


User currently onlineSEPilot From United States of America, joined Dec 2006, 7109 posts, RR: 46
Reply 11, posted (7 years 6 months 1 week 4 days 2 hours ago) and read 8325 times:

Quoting A10WARTHOG (Reply 10):
They told me that they are easy to damage and not very fun to repair.

That I can believe; I suspect the same may be true for the 787, A350, and most other planes as well. It is a very critical piece in a rather difficult spot. The composite ones may be less easy to damage, however, so that may make your life easier.



The problem with making things foolproof is that fools are so doggone ingenious...Dan Keebler
User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 12, posted (7 years 6 months 1 week 3 days 21 hours ago) and read 8084 times:

Quoting F86sabre (Reply 8):
I just hope the dome is much more durable than the ones they put in the 767s and other Boeing aircraft with domes. It will be interesting to see what the SRM will offer in terms of repairs.

The pressure dome gets its strenght from its shape not the thickness of the material. All domed pressure bulkheads are very light weight and easily damaged. However, once they are installed about the only way to damage them is by dragging the tail or allowing it to corrode.


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