The 1930s saw the transformation from high-priced corduroy road cars into pure racers, with Delage, Auto Union, Mercedes-Benz, Delahaye, and Bugatti constructing streamlined vehicles with engines producing up to 450 kW (612 hp), aided by multiple-stage supercharging. From 1928-1930 and again in 1934-1936, the maximum avoirdupois permitted was 750 kg, a criterion diametrically opposed to current racing regulations. Blanket bag of aluminium alloys was required to achieve light weight, and in the case of the Mercedes, the emulsion was removed to satisfy the weight limitation, producing the famous Bright Arrows.

The best-known incongruity of single-seater racing, Custom One, involves an annual Macrocosm Championship for drivers and constructors of around 18 events a http://www.sportscardrivingexperience.com/ collegiate year featuring over international clunker and engine manufacturers, and independent constructors, such as Ferrari, McLaren, Williams, BMW Sauber, Toyota, Honda, Renault, Bloodshot Bull Racing - in an ongoing fray of technology and driver skill and talent.