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Simon Chandler | all galleries >> Galleries >> Favorites > Inlet door of the Auxiliary Power Unit (APU) of an airplane
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Simon Chandler

Inlet door of the Auxiliary Power Unit (APU) of an airplane

Thanks to fellow PBaser, Robert Becker, for identifying this structure.

The APU can power the hydraulic, electrical and pneumatic system. It can warm or cool a static aircraft and have it ready for passenger loading in 20 or 30 minutes. The APU is normally used on the ground, but if needed may be started and used in the air.

The "heat wave" coming out of the exhaust of APU at the tail end of the fuselage caused the background buildings to be blurred in this particular manner.


other sizes: small medium original auto
Paolo Peggi (aka Bracciodiferro)23-May-2014 20:00
Excellent capture.V
Paolo
Apostolos Tikopoulos21-May-2014 19:41
Excellent composition with great details. V.
Gervan20-May-2014 10:29
Yes! Superb POV and framing. V.
Sam_C19-May-2014 05:16
Excellent shot and great info. V++
woody3417-May-2014 01:28
Fantastic capture, the perspective , colours and the haze effect from the exhaust are very impressive indeed...V
Jean D17-May-2014 00:00
Excellent capture and composition. That heat wave shown can be quite impressive on departures and arrivals, Simon. ~V
Hank Vander Velde16-May-2014 22:41
A well composed and well captured image Simon.
Walter Otto Koenig16-May-2014 22:41
Very impressive detail image. Very cool to see this and to learn about it. "V"
Karen Stuebing16-May-2014 20:50
Fabulous close up and framing. I love the detail and the effect from the exhaust. V.
Tom LeRoy16-May-2014 15:06
Excellent POV and colors, neat blur effect too. Now we know what an APU is all about... Good info. V
bill friedlander16-May-2014 14:08
Well chosen focal length and great reflections in the skin. V
Stephanie16-May-2014 12:58
Totally awesome image Simon!! The heat wave has created a fabulous dof! VV
Char16-May-2014 12:47
Fantastic capture of this scene, Simon! \/
Marcia Colelli16-May-2014 11:38
Nice capture of the jet fuel and vapors V
Colin Storey16-May-2014 08:08
Great info and image with that heat coming out. v
Helen Betts16-May-2014 05:48
Very interesting info, and quite an impressive capture of this APU, which I had never heard of. I like how the heat distorts the buildings, too. V.
waterfalls man16-May-2014 03:48
Nice Capture & Information V!!
Markus Grompe16-May-2014 03:32
nice blurring effect... looks neat
Robert Becker16-May-2014 03:19
You have the outflow valve function correct, but this is the APU inlet.
Jim Coffman16-May-2014 03:13
Wow,I didn't know that.. Nice capture and great information..