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Bare Panel On A346 Engine Cowling  
User currently offlinevgnatl747 From United States of America, joined Apr 2001, 1450 posts, RR: 2
Posted (1 year 7 months 6 days ago) and read 2797 times:

I was browsing the photos here and saw something that piqued my interest. On the following photos there's a bare metal panel on the lower left portion of the engine cowling, that is clearly there by design. Does anyone know what purpose it serves? My mind went to some sort of drainage since it doesn't change sides on left wing vs. right wing, so it must be more to do with the direction the fan rotates vs. the position of the engine. Is it relative to the A346 design, or relative to the engine selection by the operator? Admittedly I'm not up on who operates what engines so I couldn't really check that to determine if it was specific to a particular engine. I had never noticed it before, and my curiosity got the better of me.

Thoughts?


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Photo © Spencer Wilmot


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Photo © Stephan Kruse




Work Hard. Fly Right. Continental Airlines
8 replies: All unread, jump to last
 
User currently offlineNorthwest727 From United States of America, joined Jul 2005, 475 posts, RR: 1
Reply 1, posted (1 year 7 months 5 days 23 hours ago) and read 2790 times:

Seeing that there is some kind of vent just beyond the anti-ice lip (the silver rim of the intake), I'm guessing that the vent is where the anti-ice air escapes, and maybe that panel has something to do with it.

User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 11
Reply 2, posted (1 year 7 months 5 days 23 hours ago) and read 2776 times:

I would guess the panel is made of "titanium".

User currently offlineDalmd88 From United States of America, joined Jul 2000, 2249 posts, RR: 15
Reply 3, posted (1 year 7 months 5 days 21 hours ago) and read 2698 times:

I would agree with the previous post an add that I bet that panel gets pretty hot and the paint would not do too well.

User currently offlineb78710 From United Kingdom, joined Mar 2006, 318 posts, RR: 0
Reply 4, posted (1 year 7 months 5 days 19 hours ago) and read 2639 times:

nacelle anti ice exhaust

User currently offlineEMBQA From United States of America, joined Oct 2003, 9177 posts, RR: 14
Reply 5, posted (1 year 7 months 5 days 13 hours ago) and read 2563 times:

It's just left bare metal so the paint does not burn off


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineWingedMigrator From United States of America, joined Oct 2005, 1944 posts, RR: 57
Reply 6, posted (1 year 7 months 1 day 2 hours ago) and read 2083 times:

Quoting vgnatl747 (Thread starter):
Is it relative to the A346 design, or relative to the engine selection by the operator?

As best I can tell, it's not just an A346 thing: the bare panel appears on every Airbus model with Rolls Royce engines, from the A320 all the way to the A380.

User currently offlineAA737-823 From United States of America, joined Mar 2000, 4857 posts, RR: 13
Reply 7, posted (1 year 6 months 4 weeks 6 hours ago) and read 1814 times:

Quoting WingedMigrator (Reply 6):
As best I can tell, it's not just an A346 thing: the bare panel appears on every Airbus model with Rolls Royce engines, from the A320 all the way to the A380.

It's not even just an Airbus thing; you'll find them at the 9 o'clock position (forward looking aft) on GE90 powered 777s, and at the six o'clock position on CFM56 powered 737's...

I don't think they're made of titanium, though... bleed air is not THAT hot as to need titanium. Only about 200 degrees C.

User currently offlineDocLightning From United States of America, joined Nov 2005, 14050 posts, RR: 55
Reply 8, posted (1 year 6 months 3 weeks 6 days 23 hours ago) and read 1734 times:

Quoting vgnatl747 (Thread starter):
Is it relative to the A346 design, or relative to the engine selection by the operator?

Well, the A345/6 comes with a selection of RR, RR, RR, or RR.
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