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What Is This By The Rudder?  
User currently offlineFlyingbronco05 From United States of America, joined May 2002, 3840 posts, RR: 2
Posted (11 years 10 months 11 hours ago) and read 4231 times:

While searching the new photos, I saw this picture:


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Photo © Joe Pries



What is the black thing under the rudder?

FB05


Never Trust Your Fuel Gauge
13 replies: All unread, jump to last
 
User currently offlineUnited_Fan From United States of America, joined Nov 2000, 7540 posts, RR: 7
Reply 1, posted (11 years 10 months 10 hours ago) and read 4209 times:

I believe its the air intake for the APU. Nice pic,too!


'Empathy was yesterday...Today, you're wasting my Mother-F'ing time' - Heat.
User currently offlineAAR90 From United States of America, joined Jan 2000, 3494 posts, RR: 46
Reply 2, posted (11 years 10 months 9 hours ago) and read 4165 times:

Don't "believe"..... "know." For you are correct, it is the APU air intake.  Big thumbs up


*NO CARRIER* -- A Naval Aviator's worst nightmare!
User currently offlineMarkTpa From United States of America, joined Jun 2000, 97 posts, RR: 3
Reply 3, posted (11 years 9 months 3 weeks 6 days 20 hours ago) and read 4035 times:

I agree with the APU intake answer. Great photo  Smile/happy/getting dizzy

User currently offlineHAWK21M From India, joined Jan 2001, 31702 posts, RR: 56
Reply 4, posted (8 years 1 month 2 weeks 5 days 17 hours ago) and read 3478 times:

The B757 APU Intake is outward opening & when closed stays flush to the Skin.
regds
MEL



Think of the brighter side!
User currently offlineBoeingOnFinal From Norway, joined Apr 2006, 476 posts, RR: 0
Reply 5, posted (8 years 1 month 2 weeks 5 days 14 hours ago) and read 3440 times:


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Photo © Félix Bahamonde Hernández-SIG_Spotter



Here you can see it more clearly.



norwegianpilot.blogspot.com
User currently offlineN231YE From , joined Dec 1969, posts, RR:
Reply 6, posted (8 years 1 month 2 weeks 5 days 13 hours ago) and read 3406 times:

Quoting HAWK21M (Reply 4):
The B757 APU Intake is outward opening & when closed stays flush to the Skin.

I wonder if the design was borrowed from the 747, which has a similiar intake on the same side and location as the photo above, on the 757.


User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 7, posted (8 years 1 month 2 weeks 5 days 13 hours ago) and read 3386 times:

Quoting N231YE (Reply 6):
I wonder if the design was borrowed from the 747, which has a similiar intake on the same side and location as the photo above, on the 757.

Since the 747 and the 757 are both designed and built by Boeing I would think there a lot of design similarities. Why would they not reuse a design if it works?


User currently offlineHAWK21M From India, joined Jan 2001, 31702 posts, RR: 56
Reply 8, posted (8 years 1 month 2 weeks 5 days 13 hours ago) and read 3380 times:

Quoting N231YE (Reply 6):
I wonder if the design was borrowed from the 747, which has a similiar intake on the same side and location as the photo above, on the 757

How similiar is the Operating Mechanism though.
regds
MEL



Think of the brighter side!
User currently offlineN231YE From , joined Dec 1969, posts, RR:
Reply 9, posted (8 years 1 month 2 weeks 5 days 12 hours ago) and read 3370 times:

Quoting 474218 (Reply 7):

Very true, commonality saves costs (like the fuselage of the 707, 727, and 737), so it is possible.

Quoting HAWK21M (Reply 8):

Also true, I'm not sure of the internal mechanism, I will have to look that up.


User currently offlineDeltaGuy From , joined Dec 1969, posts, RR:
Reply 10, posted (8 years 1 month 2 weeks 5 days 11 hours ago) and read 3334 times:

Damn, this thread is a moldy-oldie  Wink

The 764's opens even wider- very hard to miss.

DeltaGuy


User currently offlineBoeingOnFinal From Norway, joined Apr 2006, 476 posts, RR: 0
Reply 11, posted (8 years 1 month 2 weeks 5 days 11 hours ago) and read 3301 times:

747-400:

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Photo © Johan Junemo



767:

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Photo © Matthew Lee - Contrails Aviation Photography



777:

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Photo © Colin Hunter



They all are somewhat the same design except for the 747 which the opening goes in instead of popping up.

I looked at some Airbus photos as well, but it doesn't seem to have placed it on the same place as boeing, could it be shown on this picture?


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Photo © David Gopaul



[Edited 2006-10-31 17:43:09]


norwegianpilot.blogspot.com
User currently offlineAJ From Australia, joined Nov 1999, 2397 posts, RR: 25
Reply 12, posted (8 years 1 month 2 weeks 5 days 4 hours ago) and read 3163 times:

The A320 intake is visible directly forward of the APU compartment on the underside of the fuselage, in line with the elevators.

User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 13, posted (8 years 1 month 2 weeks 5 days 3 hours ago) and read 3123 times:

CRJs also have a similar door.


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Photo © Freight-Dawg - Airside Photography



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