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Drag is a force that acts parallel to and in the same direction as the airflow. The drag coefficient of an automobile measures the way the automobile passes through the surrounding air. When automobile companies design a new vehicle they take into consideration the automobile drag coefficient in addition to the other performance characteristics ...
The Citroën DS (French pronunciation: [si.tʁɔ.ɛn de.ɛs]) is a front mid-engined, front-wheel drive executive car manufactured and marketed by Citroën from 1955 to 1975, in fastback/sedan, wagon/estate, and convertible body configurations, across three series of one generation.
Citroen engineers believed that better designed car meant improving drag coeff with that funny shape which stunned the world with its DS in 1956 (the acronym means Goddess) and this also resulted in smaller engine requirements and they considered fuel consumption as an important issue even in a luxury car.
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The firm began using a wind tunnel in the 1950s, helping them to create highly streamlined cars, like the DS, that were years ahead of their competitors, and so good were the aerodynamics of the CX model, that it took its name – – from the mathematical term used to measure the drag coefficient.
Citroën had been using a wind tunnel for many years, and the CX was designed to perform well in aerodynamic drag, with a coefficient of drag of 0.36. Indeed, the car's name of CX refers to the French term for drag coefficient, or coefficient ('C') along the X-axis ('x', being the longitudinal).
The DS 5 is a compact executive hatchback which was designed and developed by the French automaker Citroën, and launched in the market in Europe in November 2011. [2] It was the third model in the premium sub brand DS .
The DS 3 (formerly known as Citroën DS3 and DS 3 Crossback) is a luxury supermini initially produced by the French automobile manufacturer Citroën and officially launched in January 2010. [1] Positioned below the DS 4 , this was the first and entry-level model from the DS premium sub-brand (pronounced déesse , which is French for goddess ...