File:Engine.f15.arp.750pix.jpg

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Summary[edit]

Summary
Description	A Pratt & Whitney turbofan engine is tested at Robins Air Force Base, Georgia, USA. The tunnel behind the engine cools the escaping exhaust gases and muffles the intense noise. The mesh cover attached to the forward air inlet is not part of the engine.
Source	Wikimedia Commons file page
Author	U.S. Air Force photo by Sue Sapp
Permission	See original Commons license details.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:40, 8 June 2026		3,008 × 2,000 (3.74 MB)	Maintenance script (talk \| contribs)	== Summary == Importing file

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D100
Exposure time	1/40 sec (0.025)
F Number	f/4.5
Date and time of data generation	18:08, 1 April 2004
Lens focal length	31 mm
Headline	There's a kind of hush…
Image title	ROBINS AIR FORCE BASE, Ga. -- An F-15 Eagle engine is tested in the "hush house" here. The tunnel behind the engine allows flames and exhaust to escape. The facility is used to test an engine before it is installed on an aircraft. (U.S. Air Force photo by Sue Sapp)
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop 7.0
File change date and time	10:54, 13 April 2004
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	18:08, 1 April 2004
Meaning of each component	Y Cb Cr does not exist
Image compression mode	2
APEX exposure bias	0
Maximum land aperture	4.3 APEX (f/4.44)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire
DateTime subseconds	80
DateTimeOriginal subseconds	80
DateTimeDigitized subseconds	80
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Focal length in 35 mm film	46 mm
Scene capture type	Standard
Scene control	Low gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
IIM version	2
Special instructions	afpn