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Old 09-02-2013, 08:39 PM   #30 (permalink)
kach22i
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The “large wind tunnel” in Untertürkheim | Mercedes-Benz Passion eBlog


http://www.autospeed.com/cms/article.html?&A=112241

Quote:
It was mentioned above that underfloor drag is responsible for about one-third of the total drag of a current car. The other proportions are also easy to remember – about one-third for all the exterior surfaces and the last third caused by airflow required for engine cooling. (See Modifying Under-Car Airflow, Part 1.)
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1977 Porsche 911s Targa
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http://forums.pelicanparts.com/off-t...xperiment.html

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http://ecomodder.com/forum/showthrea...1-a-19525.html
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