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    The Renault 4’s Ingenious Suspension: Exploring the Asymmetrical Design

    The Ingenious Engineering Behind the Renault 4

    To build a car for the masses, you need clever engineering. The Renault 4 is a prime example of this. The story of the Quatrelle, as it’s known in France, begins before World War II. Company founder Louis Renault visited Nazi Germany and was impressed by the Volkswagen Beetle, which was designed by Ferdinand Porsche. Inspired by the Beetle, Renault set out to create his own car, the 4CV, which was developed in secret during the Nazi occupation of France.

    During the war, Renault was forced to produce vehicles for the Nazi war effort. After the liberation of Paris, Louis Renault was accused of collaboration and jailed. He passed away in 1944 while awaiting trial. In 1946, Renault was nationalized by Charles de Gaulle, and resistance hero Pierre Lachefauex took over as the company’s boss. Lachefauex recognized the need for affordable transportation in post-war France, and saw the 4CV as the answer.

    The influence of the Beetle is evident in the design of the 4CV, with its streamlined bodywork and rear-mounted four-cylinder engine. The car was a huge success and led to the creation of the larger Dauphine. However, by the mid-1950s, Renault’s new CEO Pierre Dreyfus felt that they needed a more contemporary car.

    Dreyfus wanted a car that was utilitarian yet stylish, versatile, and classless. He was inspired by Citroën’s 2CV, a car designed for the rural French population. Renault’s chief designer, Patrick Le Quement, described the Renault 4 as a “continuation and further elaboration of Citroën’s pioneering 2CV,” but with a more urban and utilitarian approach.

    The Renault 4 took a more modern approach compared to the 2CV. It featured front-wheel drive, which was a departure from the rear-wheel drive layout of the 4CV. To save costs, Renault moved the engine to the front of the car, with the gearbox installed ahead of it. This layout provided more space for passengers and luggage.

    The suspension of the Renault 4 was another innovative feature. The front suspension used double wishbones and torsion-bar springs, while the rear suspension employed semi-trailing arms and torsion bars. The unusual placement of the torsion bars, with one mounted ahead of the other, allowed for independent suspension without intruding into the interior space of the car.

    The Renault 4’s design team focused on creating a car that could handle the rough rural roads of post-war France, resulting in a soft and comfortable ride. The car’s simplicity and durability made it popular in both urban and rural areas.

    The R4 had several other noteworthy features. It was one of the first hatchback cars to catch on, setting a template for future compact cars. It also introduced innovations such as a coolant expansion tank and a simple interior door latch. The car’s design and features made it affordable and easy to maintain.

    The Renault 4 remained in production for over 30 years and became France’s best-selling car. Its success can be attributed to its ingenious engineering, which provided practicality, functionality, and comfort at an affordable price. The R4’s legacy lives on, with many still in use today, particularly in rural areas and countries like Madagascar where they are valued for their affordability and toughness.

    In conclusion, the Renault 4 is a utilitarian masterpiece and a testament to the vision of Pierre Dreyfus and the ingenuity of Renault’s engineers. Its clever engineering and innovative features made it a beloved car and a symbol of practicality and simplicity. Despite its age, the Renault 4 continues to be appreciated for its unique design and enjoyable driving experience.

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