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A330/340 Window Configuration?  
User currently offlinespiritair97 From United States of America, joined Jan 2011, 1231 posts, RR: 0
Posted (2 years 2 weeks 1 day 6 hours ago) and read 3130 times:

On the Airbus a330-300 and a340-300, you can cleary see that there is a curve in the line of windows following door 3L/R. It is clearly evident in the following:

http://www.airliners.net/photo/Swiss...al-Air/Airbus-A340-313X/1652286/L/

So my question is, why is this so? Why do the windows curve up?

5 replies: All unread, jump to last
 
User currently offlineRoseflyer From United States of America, joined Feb 2004, 9493 posts, RR: 52
Reply 1, posted (2 years 2 weeks 1 day 5 hours ago) and read 3084 times:

Quoting spiritair97 (Thread starter):
So my question is, why is this so? Why do the windows curve up?

The cabin floor also curves up.



If you have never designed an airplane part before, let the real designers do the work!
User currently offlineB6JFKH81 From United States of America, joined Mar 2006, 2873 posts, RR: 7
Reply 2, posted (2 years 2 weeks 1 day 5 hours ago) and read 3074 times:

It also did it on the A300 if I recall correctly.


"If you do not learn from history, you are doomed to repeat it"
User currently onlineViscount724 From Switzerland, joined Oct 2006, 24817 posts, RR: 22
Reply 3, posted (2 years 2 weeks 1 day 3 hours ago) and read 3034 times:

Quoting Roseflyer (Reply 1):
Quoting spiritair97 (Thread starter):
So my question is, why is this so? Why do the windows curve up?

The cabin floor also curves up.

I believe that design was to permit more full-size cargo containers to be carried on the lower deck. Doesn't make any difference to passengers (and it's hardly even noticeable in the cabin), but if the floor didn't have that slight curve you would lose several inches of height in the cargo compartment in that area.


User currently offlineDocLightning From United States of America, joined Nov 2005, 19385 posts, RR: 58
Reply 4, posted (2 years 2 weeks 1 day 2 hours ago) and read 3006 times:

Quoting Viscount724 (Reply 3):
I believe that design was to permit more full-size cargo containers to be carried on the lower deck. Doesn't make any difference to passengers (and it's hardly even noticeable in the cabin), but if the floor didn't have that slight curve you would lose several inches of height in the cargo compartment in that area.

The A300, A310, A330, and A340 all share the same fuselage mold lines, differing only in length. The noses and tail sections are all identical.

You are correct. As a consequence of the Airbus design, the rear cabin floor slopes up very slightly so as to accommodate more cans in the aft hold. The windows must slope up with the cabin or they would be next to the feet of the pax sitting in the very rear.

This will not be the case on the A350 and it is not the case on the A380.


User currently onlineViscount724 From Switzerland, joined Oct 2006, 24817 posts, RR: 22
Reply 5, posted (2 years 2 weeks 2 hours ago) and read 2832 times:

Quoting DocLightning (Reply 4):
Quoting Viscount724 (Reply 3):
I believe that design was to permit more full-size cargo containers to be carried on the lower deck. Doesn't make any difference to passengers (and it's hardly even noticeable in the cabin), but if the floor didn't have that slight curve you would lose several inches of height in the cargo compartment in that area.

The A300, A310, A330, and A340 all share the same fuselage mold lines, differing only in length. The noses and tail sections are all identical.

I believe that's not correct for the original A300B2/B4 which had a different rear fuselage profile than the later A300-600R which used the same rear fuselage profile as the A310. That's quite obvious in photos.


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