AUTO UNION Type-52
Dr. Erwin Komenda, of PORSCHE at the time, is responsible for the body design of the Type- 52.
In side elevation, most of the roofline stays very close to the contour that doctoral candidate Wolfgang Klemperer chose for his Cd 0.15 streamline half-body, that he measured, along with Paul Jaray's, at the Zeppelin-Werke wind tunnel in 1922.
I've not seen a Cd reported for the '52.'
His 1939 PORSHE 60K10, Berlin-Rome racer, with the 'falling roofline' is reported at Cd 0.20.
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Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
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