Ballast Ballast is dense material used as a weight to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide stability. A compartment within ...

weights may be added to a

race car Race, RACE or The Race may refer to: * Race (biology), an informal taxonomic classification within a species, generally within a sub-species * Race (human categorization), classification of humans into groups based on physical traits, and/or s ...

to alter its performance. In most racing series, cars have a minimum weight. Often, the actual weight of the car is lower, so ballast is used to bring it up to the minimum. The advantage is that the ballast can be positioned to affect the car's handling by changing its

weight distribution Weight distribution is the apportioning of weight within a vehicle, especially cars, airplanes, and trains. Typically, it is written in the form ''x''/''y'', where ''x'' is the percentage of weight in the front, and ''y'' is the percentage in t ...

. This is near-universal in

Formula 1 Formula One (F1) is the highest class of worldwide racing for open-wheel single-seater formula Auto racing, racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The FIA Formula One World Championship has been one ...

. It is also common in other racing series that ballast may only be located in certain positions on the car. In some racing series, for example the

British Touring Car Championship The British Touring Car Championship (BTCC), officially known as the Kwik Fit British Touring Car Championship for sponsorship reasons, is a touring car racing series held each year in the United Kingdom, currently organised and administered by ...

, ballast was used as a handicap, the leading drivers at the end of one race being given more ballast for the next race.

References

Auto racing equipment Automotive technologies {{Autoracing-stub