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-   -   Boeing 747-400 (https://www.pprune.org/tech-log/247083-boeing-747-400-a.html)

evauoz 8th October 2006 06:45

Boeing 747-400
 
Hi all,

I am doing a project regarding aircraft optimization and I need to find some information regarding Boeing 747-400, is there any way that I can obtain the values for it's oswald's span efficiency factor, base drag coefficient and Thrust Specific fuel consumption (TSFC) assuming it is using 4 engines of Pratt & Whitney PW4062. Anyone pls help!!!

Regards,
Xueming

evauoz 9th October 2006 14:35

Anyone pls help??:{

evauoz 12th October 2006 09:48

Anyone Anyone pls pls pls help????

Self Loading Freight 12th October 2006 11:12

That's the sort of information Boeing may consider commercially sensitive and not publish. There are specialist forums that discuss these matters, though - it's not good form to advertise them on Pprune, but if you google for search terms such as Boeing engineering questions you should find them as easily as I did!
(Six different aerofoils on a 747 wing. Coo.)
Sorry not to be more specific
R


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