1939 Auto Union type D at Goodwood Festival of Speed

Audi Tradition is marking this year’s Festival of Speed at Goodwood, England (July 11 to 13, 2008) with a world debut. At the largest classic car racing event in the world, the Ingolstadt company will be taking the wraps off an absolutely authentic reconstruction of the original Auto Union “Silverarrow” Type D Dual Compressor from 1939.

Construction of this racing car, the original version of which won two Grand Prix races at the hands of H.P. Müller and Tazio Nuvolari, took four years. The “Silverarrow” will be taken on its maiden drive by Nick Mason, the Pink Floyd drummer, in front of some 150,000 spectators at Goodwood.

When Auto Union was broken up by the occupying Soviet forces in East Germany after the Second World War, not only were all Auto Union racing cars lost. Most of the technical documents, too, vanished without trace. The Type D racing car is the last version of the Auto Union “Silverarrow” cars (1934 to 1939) to be developed by Auto Union’s Racing Division in Zwickau. In an effort to make the 420 hp twelve-cylinder engine in the Type D even faster, the single-compressor version from 1938, the year it made its debut, mutated into a dual-compressor version. This boosted the power output by 65 horsepower, but also necessitated various modifications to the body.

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