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777 Wingtips  
User currently offlinePatches From United States of America, joined Aug 2000, 293 posts, RR: 0
Posted (12 years 9 months 1 week 6 days 11 hours ago) and read 1413 times:

I have a question on the 777. Did boeing ever consider using wingtips when they built the 777? I think it would have made that plane look even better! also they would get it more range. The 747-400 is the only boeing commerical plane to us wing tips. Why is that? Do they really work?

7 replies: All unread, jump to last
 
User currently offlineBoeing nut From , joined Dec 1969, posts, RR:
Reply 1, posted (12 years 9 months 1 week 6 days 11 hours ago) and read 1287 times:

Actually, in it's infancy, there were winglets planned. But that was when the 777 was still being considered a stretched 767. Boeing isn't the biggest fans of winglets. At least they used to be. If you look at the 777 wing from a top view, you will notice that the tip is slightly angled outward. Boeing used this technology because in there eyes, winglets weren't necessary. They used winglets on the 744 because extending the wings more was impractical. They latest technology is the "raked wingtip". These are used on the 767-400 and on the coming 777-300ER and 777-200LR.

User currently offlinePatches From United States of America, joined Aug 2000, 293 posts, RR: 0
Reply 2, posted (12 years 9 months 1 week 6 days 11 hours ago) and read 1267 times:

thanks Boeing nut. I have a boeing book on the building of the 777 and they talk about out that 767. How much extra range do they get with the raked wings? Thanks again, Patches

User currently offlineBoeing nut From , joined Dec 1969, posts, RR:
Reply 3, posted (12 years 9 months 1 week 6 days 10 hours ago) and read 1251 times:

I honestly don't know on the 767, but on the 777-300ER, maximum range is almost the same as the 747-400. (7,200 nm) Range on the "normal" 777-300 is around 5,000 nm, I think.

User currently offlineVafi88 From United States of America, joined Apr 2001, 3116 posts, RR: 17
Reply 4, posted (12 years 9 months 1 week 6 days 9 hours ago) and read 1224 times:

Some 737s have wingtips. look at ATA, those things are huge! I had the same question on the 777 wingtips.


I'd like to elect a president that has a Higher IQ than a retarted ant.
User currently offlineGreenjet From Ireland, joined Aug 2001, 959 posts, RR: 1
Reply 5, posted (12 years 9 months 1 week 6 days 3 hours ago) and read 1174 times:

And there was me thinking all aircraft had wingtips.... Smile/happy/getting dizzy

User currently offlineNZ767 From New Zealand, joined Nov 2001, 1620 posts, RR: 1
Reply 6, posted (12 years 9 months 1 week 6 days 3 hours ago) and read 1166 times:

Yep, getting our "wingtips" confused with our "winglets" here!  Smile

User currently offline747-600X From United States of America, joined Jan 2000, 2795 posts, RR: 15
Reply 7, posted (12 years 9 months 1 week 6 days 3 hours ago) and read 1155 times:

Well, I'll confess - I just don't see how a winglet can make one plane fly farther and not another. Why it makes the 737-800 and 747-400 go farther but won't benefit the 777 I cannot comprehend. Any help?


"Mental health is reality at all cost." -- M. Scott Peck, 'The Road Less Traveled'
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