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Sharklets Vs Winglets  
User currently offlineGoblin211 From United States of America, joined Jun 2010, 1209 posts, RR: 0
Posted (3 years 10 months 1 day 4 hours ago) and read 14321 times:

Why would an airline choose sharklets over winglets? I ask this b/c i assume winglets reduce more drag and are more efficient. Will all planes in airlines' fleets have either or one day? Thanks.


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4 replies: All unread, jump to last
 
User currently offlinedynamicsguy From Australia, joined Jul 2008, 868 posts, RR: 9
Reply 1, posted (3 years 10 months 1 day 3 hours ago) and read 14284 times:

Quoting Goblin211 (Thread starter):
Why would an airline choose sharklets over winglets?

Because they're flying the A320 family rather than 737s. "Sharklet" is just the marketing name which Airbus is using for what is really their version of a blended winglet. There appears to be a subtle difference at the tip from the images I've seen, but other than that nothing different which would justify a new name.

Edit: By way of clarification, "sharklets" are the new winglets which are due to enter service in the next couple of years on the A320 family. The devices on the tips of current A320 family aricraft and the A380 are called fences.

[Edited 2010-09-25 13:33:27]

User currently offlineFly2HMO From , joined Dec 1969, posts, RR:
Reply 2, posted (3 years 10 months 1 day 3 hours ago) and read 14278 times:

Quoting Goblin211 (Thread starter):
Why would an airline choose sharklets over winglets?

They are the same thing, for all intents and purposes. The name is just a marketing gimmic.


User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 3, posted (3 years 10 months 1 day 2 hours ago) and read 14237 times:

"A rose by any other name would smell as sweet".

Likewise:

A sharklet by another name would be a winglet.


User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 80
Reply 4, posted (3 years 10 months 1 day 2 hours ago) and read 14203 times:

Quoting Goblin211 (Thread starter):
Why would an airline choose sharklets over winglets?

I don't think they would...I doubt any airline will ever choose between an OEM based on their wingtip device and, so far, each OEM only offers one device for their respective aircraft.

Quoting Goblin211 (Thread starter):
I ask this b/c i assume winglets reduce more drag and are more efficient.

Not true. They're aerodynamically achieving the same thing. A raked tip is actually better than either of them, on a pure efficiency basis.

Quoting Goblin211 (Thread starter):
Will all planes in airlines' fleets have either or one day?

No. Winglets/sharklets are good design fixes when you have certain constraints (span restriction, retrofit capability, etc.). But there will always be a class of aircraft where they don't make sense and you'll see raked wingtips there.

Tom.


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