EMBQA From United States of America, joined Oct 2003, 9292 posts, RR: 12 Reply 3, posted (6 years 10 months 1 week 3 days 10 hours ago) and read 2123 times:
I thought blended winglets were a structural part of the wing and can't be retro-fitted.
"It's not the size of the dog in the fight, but the size of the fight in the dog"
Ferret From United States of America, joined Jun 2000, 123 posts, RR: 0 Reply 4, posted (6 years 10 months 1 week 3 days 10 hours ago) and read 2114 times:
Definitely a retrofit item as they are being installed on B757s.
N801DM From United States of America, joined Sep 2004, 99 posts, RR: 4 Reply 5, posted (6 years 10 months 1 week 3 days 9 hours ago) and read 2042 times:
Quoting Antiuser (Reply 1): the retrofit costs around US$ 250.000.
This does not even cover the labor costs. The average man-hours for the installation on the 757 is in the 4000 hr range and the 737 is typically 20 percent less.
The winglet kits are between 600-1mm dollars plus the labor for installation.
FriendlySkies From United States of America, joined Aug 2004, 4015 posts, RR: 5 Reply 6, posted (6 years 10 months 1 week 3 days 9 hours ago) and read 2031 times:
Quoting EMBQA (Reply 3): I thought blended winglets were a structural part of the wing and can't be retro-fitted.
The majority (or at least a good number) of the installed blended winglets are retro-fit I believe.
N801DM From United States of America, joined Sep 2004, 99 posts, RR: 4 Reply 8, posted (6 years 10 months 1 week 3 days 6 hours ago) and read 1894 times:
Quoting PPVRA (Reply 7): Do they also make them for the 757 or is it a different company?
Aviation Partners Boeing also handles the 757 project. It is a very well put together kit. We just finished the modification in the middle of July on N801DM in YLW at Kelowna Flightcraft.
OPNLguy From , joined Dec 1969, posts, RR: Reply 9, posted (6 years 10 months 1 week 3 days 5 hours ago) and read 1823 times:
Quoting EMBQA (Reply 3): I thought blended winglets were a structural part of the wing and can't be retro-fitted.
Well, in layman's terms (I'm not an AMT, nor do I play one on TV), they are structural--they're additional structure within the wing. It's certainly not as if they're bolted on to the last 3 inches of wingtip...
Southwest's -700s started delivery in 1997, without winglets, and IIRC the original order (for retrofits) was something like 80-100. Eventually, they started coming from the factory with them, for us, anyways...
EMBQA From United States of America, joined Oct 2003, 9292 posts, RR: 12 Reply 10, posted (6 years 10 months 1 week 3 days 5 hours ago) and read 1814 times:
Well, my understanding is a Blended Winglet is what the B767-400, B747-8 and 787 have. It's the added flair at the wing tip. The standard winglet is what the 747-400, 737NG's have, and what is being added to the 757.
"It's not the size of the dog in the fight, but the size of the fight in the dog"
OPNLguy From , joined Dec 1969, posts, RR: Reply 11, posted (6 years 10 months 1 week 3 days 5 hours ago) and read 1808 times:
Quoting EMBQA (Reply 10): Well, my understanding is a Blended Winglet is what the B767-400, B747-8 and 787 have. It's the added flair at the wing tip. The standard winglet is what the 747-400, 737NG's have, and what is being added to the 757.
Sounds like that's backwards, at least as far as the NG 737s are concerned, as they have the blended variety...
Falstaff From United States of America, joined Jun 2006, 5703 posts, RR: 29 Reply 12, posted (6 years 10 months 1 week 3 days 4 hours ago) and read 1791 times:
The latest issue of Airways has a great article about this very subject. Check your newstand for details.
Boeingfixer From Canada, joined Jul 2005, 491 posts, RR: 0 Reply 13, posted (6 years 10 months 1 week 3 days 2 hours ago) and read 1711 times:
Quoting EMBQA (Reply 10): Well, my understanding is a Blended Winglet is what the B767-400, B747-8 and 787 have. It's the added flair at the wing tip. The standard winglet is what the 747-400, 737NG's have, and what is being added to the 757.
You have it backwards. The B764, B747-8 and B787 have raked wingtips. The 744 has traditional winglets while the 73NG and 757 have the blended winglets.
This is the company that designed the blended winglets for the NG and 757.
AeroWeanie From United States of America, joined Dec 2004, 1601 posts, RR: 52 Reply 14, posted (6 years 10 months 1 week 3 days 2 hours ago) and read 1708 times:
Quoting Boeingfixer (Reply 13): The B764, B747-8 and B787 have raked wingtips. The 744 has traditional winglets while the 73NG and 757 have the blended winglets.
Almost right.
The 767-400ER, 777-200LR and 777-300ER have raked tips.
The 747-400 has traditional, Whitcomb winglets.
The 787-3 will have Boeing (not APB) designed winglets. The 747-8, 787-8 and 787-9 will have something that looks like raked tips, but they curve up a lot in front view.
Also, you missed the 737 Classic - APB offers blended winglets for these too. Southwest just bought 90 shipsets.
My answer was towards EMBQA due to his misunderstanding of winglets in general for the aircraft he listed. In responding to EMBQA my answer was correct.
BH From United States of America, joined Jul 2001, 525 posts, RR: 1 Reply 18, posted (6 years 10 months 1 week 5 hours ago) and read 1522 times:
This is always an interesting topic on anet for some reason.The Airways article is very good, they claim airlines can save between 75,000 to 90,000 gallons of fuel per year per aircraft! Brilliant!
HAWK21M From India, joined Jan 2001, 31228 posts, RR: 58 Reply 19, posted (6 years 10 months 1 week 2 hours ago) and read 1507 times:
Quoting BH (Reply 18): The Airways article is very good, they claim airlines can save between 75,000 to 90,000 gallons of fuel per year per aircraft! Brilliant!
Thats why Airbus has now got into the Act for the A320s.
regds
MEL
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