flyingbronco05
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What Is This By The Rudder?

Mon Feb 24, 2003 1:21 am

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
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United_fan
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RE: What Is This By The Rudder?

Mon Feb 24, 2003 2:01 am

I believe its the air intake for the APU. Nice pic,too!
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AAR90
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RE: What Is This By The Rudder?

Mon Feb 24, 2003 3:02 am

Don't "believe"..... "know." For you are correct, it is the APU air intake.  Big thumbs up
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MarkTPA
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RE: What Is This By The Rudder?

Wed Feb 26, 2003 3:45 pm

I agree with the APU intake answer. Great photo  Smile/happy/getting dizzy
 
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HAWK21M
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RE: What Is This By The Rudder?

Tue Oct 31, 2006 7:08 pm

The B757 APU Intake is outward opening & when closed stays flush to the Skin.
regds
MEL
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BoeingOnFinal
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RE: What Is This By The Rudder?

Tue Oct 31, 2006 9:46 pm


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Photo © Félix Bahamonde Hernández-SIG_Spotter



Here you can see it more clearly.
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N231YE
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RE: What Is This By The Rudder?

Tue Oct 31, 2006 10:43 pm

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.
 
474218
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RE: What Is This By The Rudder?

Tue Oct 31, 2006 11:28 pm

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?
 
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HAWK21M
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RE: What Is This By The Rudder?

Tue Oct 31, 2006 11:37 pm

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
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N231YE
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RE: What Is This By The Rudder?

Tue Oct 31, 2006 11:54 pm

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.
 
DeltaGuy
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RE: What Is This By The Rudder?

Wed Nov 01, 2006 12:53 am

Damn, this thread is a moldy-oldie  Wink

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

DeltaGuy
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BoeingOnFinal
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RE: What Is This By The Rudder?

Wed Nov 01, 2006 1:36 am

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]
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AJ
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RE: What Is This By The Rudder?

Wed Nov 01, 2006 8:09 am

The A320 intake is visible directly forward of the APU compartment on the underside of the fuselage, in line with the elevators.
 
flyf15
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RE: What Is This By The Rudder?

Wed Nov 01, 2006 8:53 am

CRJs also have a similar door.


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