Viking 5C2911397164 14d678e411 o



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Description Rocket Engine, Liquid Fuel, Viking 5C: This is the Viking 5C engine. Four Viking 5C liquid-propellant rocket engines were used to propel the first stage of the Ariane 4 expendable launch vehicle used by the European Space Agency from 1990 to 2003. A consortium of six countries, France, Germany, Spain, Belgium, Sweden, and Italy, designed and manufactured this engine. It uses a form of transpiration or "sweat cooling." In sweat cooling, a coolant (the fuel) is injected uniformly and continuously over the internal wall of the nozzle by using a porous wall material. The developer of this technique for the Viking was Heinz Bringer who had worked on a similar system during the development of the German V-2 rocket of World War II. This object was donated to the Smithsonian in 2006 by SAFRAN.
Date 25 May 2008(2008-05-25), 15:18
Source Rocket Engine, Liquid Fuel, Viking 5C
Author Cliff from I now live in Arlington, VA (Outside Washington DC), USA

Camera location

38° 54' 39.23" N, 77° 26' 34.83" W

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Checked copyright icon.svg This image was originally posted to Flickr by cliff1066™ at http://flickr.com/photos/28567825@N03/2911397164. It was reviewed on 6 June 2010(2010-06-06) by the FlickreviewR robot and confirmed to be licensed under the terms of the cc-by-2.0.

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EXIF data:
File name viking_5c2911397164_14d678e411_o.jpg
Size, Mbytes 0.3475166015625
Mime type image/jpeg
Camera manufacturer Canon
Camera model Canon EOS 5D
Orientation of image 1
Image resolution in width direction 72
Image resolution in height direction 72
Unit of X and Y resolution 2
Exposure time 1/50 sec (0.02)
F number f / 3.5
ISO speed rating 400
Exif version 0220
Lens focal length 34 mm
Date and time original image was generated 2008:05:25 15:18:12
Date and time image was made digital data 2008:05:25 15:18:12
Meaning of each component 
Shutter speed 5.625
Aperture 3.625
Exposure bias 0
Metering mode 5
Software used ACD Systems Digital Imaging

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