Mr Spaceman
Topic Author
Posts: 2723
Joined: Thu Mar 15, 2001 5:09 am

A320 Aerodynamic Wingtip Feature?

Thu Jul 19, 2001 3:43 am

Hi guys. I know what a winglet is, and thanks to this forum, a few months ago I learned about Raked wingtips. (I couldn't find a pic of a "raked" wingtip).

Can someone please tell me if there is a name for the aerodynamic feature that's on the wingtips of an Airbus A320 and other Airbuses?

Also, does it's different shape mean it provides different benefits then a winglet?

To me, it looks like half of a Flight Feather you'd find on a dart. It looks Cool!


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Photo © Daniel Werner



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Thanks
Chris  Smile
"Just a minute while I re-invent myself"
 
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apuneger
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Joined: Fri Sep 08, 2000 2:43 pm

RE: A320 Aerodynamic Wingtip Feature?

Thu Jul 19, 2001 4:24 am

I think they call this feature on A320-series 'winglets', and that they have no special name for this type of winglet.

Of course, I could be wrong...

Ivan
Ivan Coninx - Brussels Aviation Photography
 
Mr Spaceman
Topic Author
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RE: A320 Aerodynamic Wingtip Feature?

Thu Jul 19, 2001 4:52 am

Hi Apuneger. Well OK. That sure could be the case. I just thought that they might have a different name, if any, because their shape is unique.

Perhaps someone will let us know for sure.

Chris  Smile
"Just a minute while I re-invent myself"
 
dc10hound
Posts: 460
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RE: A320 Aerodynamic Wingtip Feature?

Thu Jul 19, 2001 7:35 am

On the A300, this item is called the Wing "Fence" or Wing-Tip "Fence". The MM states it's purpose is to reduce drag.
I guess you can call it a Winglet if you wish. I don't think anyone would mind.
"Eagles soar. But weasels never get sucked into jet intakes.."
 
mightyfalcon
Posts: 378
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RE: A320 Aerodynamic Wingtip Feature?

Thu Jul 19, 2001 5:43 pm

Hi Mr Spaceman,

What you have on A300s, A310s and the A318/319/320/321s is called "Wing Tip Fence" and has a different size and shape than the "Winglet" you have on A330s, A340s, B744s (exept B747-400D).

The goal is the same for both: destroying the vortex created at the wing-tip and thus, reduce drag. Therefore, it reduces the fuel consumption.

Why a different shape? Sorry, no idea. If you look at the MD11, you'll get another shape too though the goal is the same again.

Regards
MightyFalcon
The sky has no limit...
 
Mr Spaceman
Topic Author
Posts: 2723
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RE: A320 Aerodynamic Wingtip Feature?

Fri Jul 20, 2001 3:36 am

Hello Gentlemen.

Thanks a lot for that info MightyFalcon & Dc10hound. I know that it was a simple question (no heavy duty technical stuff), however I've often wondered about those wingtips...and now I know their name. It's much appreciated.

Chris  Smile
"Just a minute while I re-invent myself"

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