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Why No Winglets On 787!  
User currently offlineBringiton From United States, joined Sep 2006, 784 posts, RR: 0
Posted (3 years 2 months 1 week 1 day 23 hours ago) and read 1463 times:

Why does the 787 not have winglets like the 77W and the 737NG ? Are the eff. gained for other things making the winglets reduntant !

5 replies: All unread, jump to last
 
User currently onlineEMBQA From United States, joined Oct 2003, 8432 posts, RR: 19
Reply 1, posted (3 years 2 months 1 week 1 day 23 hours ago) and read 1447 times:

Quoting Bringiton (Thread starter):
Why does the 787 not have winglets

It does have winglets. It uses the blended wingtip... which give the same effect and is the same used on the newer 767's and 777's and the new 747-8

[Edited 2006-10-07 20:35:45]


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineBringiton From United States, joined Sep 2006, 784 posts, RR: 0
Reply 2, posted (3 years 2 months 1 week 1 day 23 hours ago) and read 1425 times:

Thx a lot for the clarification!

User currently offlineStitch From United States, joined Jul 2005, 16201 posts, RR: 64
Reply 3, posted (3 years 2 months 1 week 1 day 23 hours ago) and read 1411 times:		 Support Airliners.net - become a First Class Member!

The 787-3 will have the more traditional "winglets" that flow up from the end of the wing. The 787-8 and 787-9 (and probably any larger variants) have the blended wingtips that cant back parallel to the wing ala the 764ER, 772LR, and 773ER.

User currently offlineDfwRevolution From , joined Dec 1969, posts, RR:
Reply 4, posted (3 years 2 months 1 week 1 day 22 hours ago) and read 1355 times:

The 787-8/9 and 747-8 use a style of blended wingtip that was actually pioneered by Fairchild Dornier before they went defunct. It's considered more advanced than the flat wedge-like wingtip on the 777LR and 764ER.

And as others have said, the 787-3 has a 737NG-like vertical winglet to reduce span distance and allow the aircraft to fit into smaller gates. It will also provide more lift on lower-speed take-offs and landings.

User currently offlineShamrock350 From Ireland, joined Mar 2005, 5318 posts, RR: 17
Reply 5, posted (3 years 2 months 1 week 1 day 22 hours ago) and read 1351 times:		 Support Airliners.net - become a First Class Member!

The 787-3 has 737NG style winglets while the -8 and -9 have a type of raked wingtip that flex in the air that almost look like winglets. All three are going to look fantastic!

[Edited 2006-10-07 21:02:44]
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