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Small Flaps Under A380's Wing  
User currently offlineDash500 From Portugal, joined exactly 11 years ago today! , 105 posts, RR: 0
Posted (7 years 6 months 2 weeks 1 day 8 hours ago) and read 8651 times:

I'd like to know what function do they have. You can see what I am referring to in this photo:


They are under the wing just in front of the engine (by the perspective of the photo, of course).

Flying all Across the World
6 replies: All unread, jump to last
User currently offlineCeph From Singapore, joined Jun 2007, 141 posts, RR: 0
Reply 1, posted (7 years 6 months 2 weeks 1 day 7 hours ago) and read 8624 times:

iirc, they are the presurisation dump ports or valves.

User currently offlineMir From United States of America, joined Jan 2004, 22865 posts, RR: 53
Reply 2, posted (7 years 6 months 2 weeks 1 day 4 hours ago) and read 8558 times:

Quoting Ceph (Reply 1):
iirc, they are the presurisation dump ports or valves.

They do look like dump valves, though I would have thought that the dump valves would be further aft on the fuselage.


7 billion, one nation, imagination...it's a beautiful day
User currently offlineOldAeroGuy From United States of America, joined Dec 2004, 3837 posts, RR: 66
Reply 3, posted (7 years 6 months 2 weeks 1 day 1 hour ago) and read 8464 times:

I think they are the AC/Pressurization system exhaust ports.

Airplane design is easy, the difficulty is getting them to fly - Barnes Wallis
User currently offlineTdscanuck From Canada, joined Jan 2006, 12710 posts, RR: 78
Reply 4, posted (7 years 6 months 2 weeks 1 day ago) and read 8427 times:

Quoting Ceph (Reply 1):
iirc, they are the presurisation dump ports or valves.

They appear to be too far outboard for pressurization valves.

Airbus usually puts the AC packs in the forward cheek of the wing/body fairing, although I'm not certain if the A380 did it this way. If they stayed true to form, these could be the pack cooling air vents.


User currently offlineIFixPlanes From Germany, joined Feb 2005, 245 posts, RR: 0
Reply 5, posted (7 years 6 months 2 weeks 13 hours ago) and read 8267 times:

Outlets of the ram air system:

never tell an engineer he is wrong ;-)
User currently offlineFinkenwerder From Germany, joined Apr 2005, 147 posts, RR: 0
Reply 6, posted (7 years 6 months 4 days 4 hours ago) and read 7612 times:

The above data is Airbus proprietry information I suggest you delete it.

They are the ram air exhaust from the Air generation unit (Packs Outlet)

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