Fender skirts
Encyclopedia
Fender skirts, known in Australia and the United Kingdom as spats, are pieces of bodywork
Coachwork
Coachwork is the body of a horse-drawn coach or carriage, a motor vehicle , a railroad car or railway carriage. Usually reserved for bodies built on a separate chassis, rather than being of unitary or monocoque construction...

 on the fender
Fender (vehicle)
Fender is the US English term for the part of an automobile, motorcycle or other vehicle body that frames a wheel well . Its primary purpose is to prevent sand, mud, rocks, liquids, and other road spray from being thrown into the air by the rotating tire. Fenders are typically rigid and can be...

 that cover the upper portions of the rear tires of an automobile.

Functions

Fender skirts are implemented for both aesthetic and aerodynamic
Automotive aerodynamics
Automotive aerodynamics is the study of the aerodynamics of road vehicles. The main concerns of automotive aerodynamics are reducing drag , reducing wind noise, minimizing noise emission, and preventing undesired lift forces and other causes of aerodynamic instability at high speeds...

 reasons. Rather than air flowing into and being trapped in the rear wheel well, it flows smoothly over the bodywork. They are typically detachable to allow for tire changes. Automakers have also experimented with front wheel fender
Fender (vehicle)
Fender is the US English term for the part of an automobile, motorcycle or other vehicle body that frames a wheel well . Its primary purpose is to prevent sand, mud, rocks, liquids, and other road spray from being thrown into the air by the rotating tire. Fenders are typically rigid and can be...

 skirts, as on the 1950-1954 Nash Rambler
Nash Rambler
The Nash Rambler was a North American automobile produced by the Nash Motors division of Nash-Kelvinator Corporation from 1950–55.The Nash Rambler established a new segment in the automobile market and is widely acknowledged to be the first successful modern American compact...

, but with success limited by the fact that the front wheels must pivot for steering, extending out from the side of the vehicle slightly.

History

First described as "pants", they were used for the streamlining effect by Frank Lockhart
Frank Lockhart
Frank Lockhart was an American automobile racing driver, and Indianapolis 500 winner, and considered a legend in the sport by many historians.-Racing career:...

 on a 1928 Stutz land speed record attempt car. Factory production of fender skirts began with the 1932 Graham-Paige
Graham-Paige
Graham-Paige was an American automobile manufacturer founded by brothers Joseph B. Graham and Robert C. Graham , and Canadian Ray Austin in 1927. Automobile production ceased in 1940, and its automotive assets were acquired by Kaiser-Frazer in 1947...

. Aesthetically streamlined designs were copied to mass-produced models. The innovations introduced by Amos Northup
Amos Northup
Amos Northup American automotive designerNorthup was employed by cabinet maker C. J. Wadsworth in Painesville, Ohio early in his career. Then he worked as a designer for automaker Wills Sainte Claire under Childe Wills...

, such as the V'd radiators, fender skirts, and sloping beaver-tails, became common after 1933. However, by the 1970s, fender skirts began to disappear from mass market automobiles. Fender skirts remained for some time longer on a few cars, particularly large American luxury cars.

Fender skirts were often paired with whitewall tire
Whitewall tire
Whitewall tires or white sidewall tires are tires having a stripe or entire sidewall of white rubber.-Background:Early automobile tires were made entirely of natural white rubber. However, the white rubber did not offer sufficient traction and endurance, so carbon black was added to the rubber...

s. The extent of the skirt also varied, before the 1950s it was common for all but the very bottom of the rear tire to be covered, while by the 1960s fender skirts only covered some of the top of the tire, and were largely absent on cars other than top line models. For example up until 1976, the Chevrolet Caprice, Oldsmobile 98, Buick Electra, Pontiac Bonneville and the Cadillac Fleetwood, DeVille and Calis models used fender skirts. Starting in 1977 only the Pontiac Bonneville retained the use of fender skirts on General Motors downsized cars. In 1980 the Oldsmobile returned the fender skirts to the 98 model. By 1985 fender skirts would disappear from all standard General Motors cars. In 1993 Cadillac again incorporated fender skirts into the design of the re-styled Fleetwood, this design would last until 1996. The General Motors EV1
General Motors EV1
The General Motors EV1 was an electric car produced and leased by the General Motors Corporation from 1996 to 1999. It was the first mass-produced and purpose-designed electric vehicle of the modern era from a major automaker, and the first GM car designed to be an electric vehicle from the...

 had fender skirts later.

In European automobile design, Citroën
Citroën
Citroën is a major French automobile manufacturer, part of the PSA Peugeot Citroën group.Founded in 1919 by French industrialist André-Gustave Citroën , Citroën was the first mass-production car company outside the USA and pioneered the modern concept of creating a sales and services network that...

 notably used fender skirts on nearly all models produced between 1950 and 1990, most prominently in the DS
Citroën DS
The Citroën DS is an executive car produced by the French manufacturer Citroën between 1955 and 1975. Styled by Italian sculptor and industrial designer Flaminio Bertoni and the French aeronautical engineer André Lefèbvre, the DS was known for its aerodynamic futuristic body design and innovative...

, 2CV
Citroën 2CV
The Citroën 2CV |tax horsepower]]”) was an economy car produced by the French automaker Citroën between 1948 and 1990. It was technologically advanced and innovative, but with uncompromisingly utilitarian unconventional looks, and deceptively simple Bauhaus inspired bodywork, that belied the sheer...

, Ami
Citroën Ami
The Citroën Ami is a supermini produced by the French automaker Citroën from 1961 to 1978. The Ami and stablemate Citroën Dyane were replaced by the Citroën Visa and Citroën Axel . The Ami was for some years the best-selling car model in France...

, GS
Citroën GS
The Citroën GS and Citroën GSA are small family cars produced by the French automaker Citroën. The GS was voted European Car of the Year for 1971, and was probably the most technologically advanced car in its class when launched, with class leading comfort, safety and aerodynamics.-Market...

, SM
Citroën SM
The Citroën SM is a high-performance coupé produced by the French manufacturer Citroën from 1970 to 1975. The SM placed third in the 1971 European Car of the Year contest, trailing its stablemate Citroën GS, and won the 1972 Motor Trend Car of the Year award in the U.S. in 1972.-History:In 1961,...

, BX
Citroën BX
The Citroën BX is a large family car that was produced by the French manufacturer Citroën from 1982 to 1994. In total, 2,315,739 BXs were built during its 12-year history. The hatchback was discontinued in 1993 with the arrival of the Xantia, but the estate continued for another year.-History:The...

 and CX
Citroën CX
The Citroën CX is an automobile produced by the French automaker Citroën from 1974 to 1991. Citroën sold nearly 1.2 million CXs during its 16 years of production. The CX was voted European Car of the Year in 1975....

.

As of 2009, the last car produced with fender skirts was the 1999-2006 Honda Insight
Honda Insight
The Honda Insight is a hybrid electric vehicle manufactured by Honda and the first production vehicle to feature Honda's Integrated Motor Assist system. The first-generation Insight was produced from 1999 to 2006 as a three-door hatchback...

, although they are available for some new cars as aftermarket
Aftermarket (automotive)
The automotive aftermarket is the secondary market of the automotive industry, concerned with the manufacturing, remanufacturing, distribution, retailing, and installation of all vehicle parts, chemicals, tools, equipment and accessories for light and heavy vehicles, after the sale of the...

 accessories.

Some cities, such as Los Angeles
Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the California state-chartered regional transportation planning agency and public transportation operating agency for the County of Los Angeles formed in 1993 out of a merger of the Southern California Rapid Transit District and the...

, have fender skirts on municipal buses for safety purposes, as they can prevent items in the road from slipping under the tires.
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