meta
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747-8i Materials

Sat Jul 14, 2007 3:41 am

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.
 
wilco737
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RE: 747-8i Materials

Sat Jul 14, 2007 3:47 am

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)
 airplane 
 
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Stitch
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RE: 747-8i Materials

Sat Jul 14, 2007 3:55 am

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.
 
XT6Wagon
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RE: 747-8i Materials

Sat Jul 14, 2007 3:58 am

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.
 
aminobwana
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RE: 747-8i Materials

Sat Jul 14, 2007 4:11 am

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
 
khobar
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RE: 747-8i Materials

Sat Jul 14, 2007 4:37 am

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.
 
eraugrad02
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RE: 747-8i Materials

Sat Jul 14, 2007 11:32 am

Have they gotten the weight down some to get the added range close to what airlines want?
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ikramerica
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RE: 747-8i Materials

Sat Jul 14, 2007 12:55 pm

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
Of all the things to worry about... the Wookie has no pants.
 
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Stitch
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RE: 747-8i Materials

Sun Jul 15, 2007 12:01 am

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
 
Areopagus
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RE: 747-8i Materials

Sun Jul 15, 2007 1:40 pm

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?