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747-8i Materials  
User currently offlineMeta From United States of America, joined Aug 2005, 337 posts, RR: 0
Posted (7 years 2 weeks 4 days 19 hours ago) and read 3654 times:

Is the 747-8i going to be made of composite material like the 787. If it is going to be made of composite than what percent? If it isn't going to be composite than why not? Sorry if it's a dumb question.

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User currently offlineWILCO737 From Greenland, joined Jun 2004, 8968 posts, RR: 76
Reply 1, posted (7 years 2 weeks 4 days 19 hours ago) and read 3631 times:
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Quoting Meta (Thread starter):
Sorry if it's a dumb question.

There are no dumb questions, but usually the answers are dumb... just like this one...

Sorry, I dont konw the answer... have you checked: www.boeing.com? any infos on that?

WILCO737 (MD11F)
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User currently onlineStitch From United States of America, joined Jul 2005, 30622 posts, RR: 84
Reply 2, posted (7 years 2 weeks 4 days 19 hours ago) and read 3587 times:
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Quoting Meta (Thread starter):
Is the 747-8i going to be made of composite material like the 787. If it is going to be made of composite than what percent? If it isn't going to be composite than why not? Sorry if it's a dumb question.

The significant majority of the structure will be Aluminum, just as all previous 747s have been made of. There will be composites, and it is likely Boeing will seek to use more composites in the 747-8I then any previous 747 model, but will not be an appreciable increase.


User currently offlineXT6Wagon From United States of America, joined Feb 2007, 3392 posts, RR: 4
Reply 3, posted (7 years 2 weeks 4 days 19 hours ago) and read 3565 times:

The 748 will be constructed much the same as every 747 before it. It will have more composite in the areas where it can quickly and cheaply be put in, but not any large change.

The detail design is going to be very different overall, but the materials and methods will seem very conventional.


User currently offlineAminobwana From , joined Dec 1969, posts, RR:
Reply 4, posted (7 years 2 weeks 4 days 19 hours ago) and read 3490 times:

Boeing has stated that by some use of composites and other measures the aircraft weigh/pax will be significatively lower.
The main diffrence regarding the B744 will be the incorporation of not composte related innovations of the B787, first of all the state-of-the art engines, which over all results in a wide reduction of the CASM.

aminobwana


User currently offlineKhobar From United States of America, joined Mar 2006, 2379 posts, RR: 4
Reply 5, posted (7 years 2 weeks 4 days 18 hours ago) and read 3367 times:

Quoting Aminobwana (Reply 4):
The main diffrence regarding the B744 will be the incorporation of not composte related innovations of the B787, first of all the state-of-the art engines, which over all results in a wide reduction of the CASM.

It will also use the 777 window belt design to provide larger windows than the 744 - unless that idea has changed.


User currently offlineERAUgrad02 From United States of America, joined Nov 2005, 1227 posts, RR: 0
Reply 6, posted (7 years 2 weeks 4 days 11 hours ago) and read 3029 times:

Have they gotten the weight down some to get the added range close to what airlines want?


Desmond MacRae in ILM
User currently offlineIkramerica From United States of America, joined May 2005, 21476 posts, RR: 60
Reply 7, posted (7 years 2 weeks 4 days 10 hours ago) and read 2923 times:

I believe the wings will get heavy use of composites as part of their reshaping.

Quoting ERAUgrad02 (Reply 6):
what airlines want?

so EK represents everyone now?  Wink



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User currently onlineStitch From United States of America, joined Jul 2005, 30622 posts, RR: 84
Reply 8, posted (7 years 2 weeks 3 days 23 hours ago) and read 2695 times:
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Quoting ERAUgrad02 (Reply 6):
Have they gotten the weight down some to get the added range close to what airlines want?

Not that I have heard, but MEW might not be the enemy here. All EK needs to do is put in a few dozen less seats in it (since they didn't want the extra 5m of length, anyway) and they'd have all the range they needed, plus a more comfortable experience for their Economy passengers. I certainly wouldn't mind flying in a 20" wide seat laid out 3+3+3 with 36" of pitch on an EK 747-8I. Especially compared to an 18" wide seat laid out 3+4+3 with 32" pitch on an EK A388.

Hmm... Maybe that is why EK isn't serious about the 747-8... Big grin


User currently offlineAreopagus From United States of America, joined Sep 2001, 1369 posts, RR: 1
Reply 9, posted (7 years 2 weeks 3 days 9 hours ago) and read 1551 times:

Quoting Ikramerica (Reply 7):
I believe the wings will get heavy use of composites as part of their reshaping.

Heavy? Umm, how about "extensive"?  Wink

Are any newer alloys being used? Like at least the 777 alloys?


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