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Originally Posted by aerohead
I'm not sure how to interpret the numbers.
The Dymaxion Car was previously estimated at Cd 0.25.
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From the article:
Quote:
* Results based on a simplified CAD model of the Dymaxion car which contains no internal, engine bay or cooling flow. Also absent are the suspension geometries and bodywork detail (hinges, louvres etc). Other simplifications include basic wheels and wheel arches.
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Double sounds about right. What jumped out at me was the crosswind performance.