One Last Push (Part One)

Today DTW remembers Renault’s post-WW2 series of rear-engined cars.

1954 Renault 4CV Brochure (c) autoweek.com

The post-war worldwide success of the Volkswagen Beetle* encouraged manufacturers as diverse as Fiat, NSU, Renault, Rootes, Skoda, ZAZ and even General Motors to emulate its mechanical layout, with varying fortunes. In doing so, many appeared to miss the point that the Beetle was successful despite rather than because of its rear-engined layout.

A rear-engined design typically involves many compromises with regard to packaging for luggage space, engine accessibility and cooling, and handling and stability. The smaller the car, the less important these compromises are, but the layout becomes increasingly unviable as the design becomes larger and more powerful. Porsche spent the best part of sixty years engineering out the instability** caused by having a heavy weight mounted aft of the rear axle on the 911, while General Motors suffered huge reputational damage because of claims of dangerous instability made about the rear-engined Mk1 Chevrolet Corvair.

During WW2, Renault was controlled by the occupying German forces and was under orders to build only military and commercial vehicles in support of the Third Reich’s war effort. Renault’s Director of Design, Fernand Picard, anticipated that, after the war, France would need a small and economical car to Continue reading “One Last Push (Part One)”