Zeke From Hong Kong, joined Dec 2006, 10489 posts, RR: 75
Reply 1, posted
Thu Oct 12 2006 15:23:35 UTC (9 years 4 months 6 days 1 hour ago) and read 22915 times:
Dont think you will fond they are NACA ones at all, they are Boeing propriety ones. I think they have about half dozen, called the BAC463, BAC464, BAC465, BAC466, BAC467 and BAC468.
Some data exists for them about the place as the 747 has been as a research model for some time.
A good site to work out sections is http://www.ae.uiuc.edu/m-selig/ads/aircraft.html
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Oly720man From United Kingdom, joined May 2004, 7115 posts, RR: 10
Reply 2, posted
Thu Oct 12 2006 17:07:26 UTC (9 years 4 months 6 days ago) and read 22890 times:
Modern swept wing commercial aircraft do not have the same section across the span. And no, they're not NACA sections.
The likelihood of finding any section data on the more recent aircraft is quite remote because the wing is the "top secret" bit of any aircraft. It's where lift is made and drag is, hopefully, lost and you're not going to tell the enemy how you did it.
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Flybyguy From United States of America, joined Jun 2004, 1812 posts, RR: 1
Reply 3, posted
Fri Oct 13 2006 03:29:49 UTC (9 years 4 months 5 days 13 hours ago) and read 22800 times:
Thanks for the replies guys... you've helped a great deal. [Edited 2006-10-13 03:31:47]
"Are you a pretender... or a thoroughbred?!" - Professor Matt Miller
L-188 From United States of America, joined Jul 1999, 30265 posts, RR: 57
Reply 4, posted
Fri Oct 13 2006 03:53:18 UTC (9 years 4 months 5 days 13 hours ago) and read 22791 times:
Short answer is that it doesn't.
Most airlines in that catagory will use custom designed airfoil and often times a continuosly changing one.
That way the manufacturer will be able to "tune" the airfoil for the aircraft they are developing.
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