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A convertible or cabriolet () is a
Most of the early automobiles were open-air vehicles without any roof or sides. As car engines became more powerful by the end of the 19th century, folding textile or leather roofs (as had been used on victoria or landau carriages) began to appear on cars. Examples of early cars with roofs include the phaeton (a two-seat car with a temporary roof), the brougham or a
A "soft top" is made from a flexible textile material:
* Early convertibles used cotton canvas woven so tightly that it is waterproof. Automakers had problems in securing raw materials to fulfil orders after World War II, including canvas in various shades for convertible tops, therefore limiting their manufacture.
* A cloth-based material has become more common in recent years.
Other materials are also used in the convertible top. By 1955, the most popular materials were latex and butyl rubber fabrics that each accounted for around 35% of the convertible top's weight, with others included vinyl (fabric), vinyl (12%), jute (8%), along with rayon and acrylic fibers (Orlon), amounting to about 1% each in the compositions. Polyvinyl chloride (PVC) material was used for many convertible tops. The material consists of two layers: a top layer made of PVC, which has a specific structure depending on the vehicle model, and a lower layer made of fabric (usually cotton).
The collapsible textile roof section over an articulated folding frame may include linings such as a sound-deadening layer and/or an interior cosmetic lining, to hide the frame.
The folded convertible top is called the stack.
During the 1950s and 1960s, detachable hard-material roofs were offered for various convertible (car), convertible sports cars and roadsters, including the 1955–1957 Ford Thunderbird and Chevrolet Corvette, as well as the 1963–1971 Mercedes-Benz W113 series of two-seaters. Because the convertible top mechanism is itself expensive, the hard roof was customarily offered as an additional, extra-cost option. On early Thunderbirds (and Corvettes through 1967), buyers could choose between a detachable hardtop and a folding canvas top at no additional cost, but paid extra for both.
The metal-framed "Carson top" was a popular addition for the 1930s Ford convertibles or roadsters because it turned these models into an almost instant hardtop. The design mimicked a convertible top, but lacking the bulky folding mechanisms enabled the removable hardtop to have a much lower and more rakish profile.
Improvements in canvas tops have rendered the detachable hard roof less common in part because the top cannot be stored inside the vehicle when not in use, requiring a garage or other storage facility. Some open cars continue to offer it as an option. For example, Mazda MX-5s has an accessory hardtop, which is compulsory for some auto racing series.
A retractable hardtop — also known as "coupé convertible" or "coupé cabriolet" — is a car with an automatically operated, self-storing hardtop (as opposed to the textile-based roof used by traditional convertibles).
The benefits of improved climate control and security are traded off against increased mechanical complexity, cost, weight, and often reduced luggage capacity.
Fixed-profile: In contrast to convertibles where the entire bodywork above the beltline (doors, roof, side pillars, side bodywork) is replaced with a folding or retractable roof, the fixed profile convertible retains portions of fixed bodywork including the doors, side pillars, and side elements of the roof — while a center fabric portion slides back and accordions at the rear. As an example, Citroën's 1948 Citroën 2CV featured rigid bodysides and two doors on each side, along with a sunroof that rolled back on itself and extended to the rear bumper in place of a separate trunk lid. Other fixed-profile convertibles include the 1957 Autobianchi Bianchina, Autobianchi Bianchina Trasformabile, 1957 Vespa 400, 1950 Nash Motors, Nash Rambler Landau Convertible Coupe, the Nissan Figaro (1991), the Jaguar XJ-SC (1983) as well as the 1957 Fiat 500 and its 2007 Fiat 500 (2007), Fiat 500 successor. The 1984 Heuliez-designed Citroën Visa ''Décapotable'' used elements of a fixed-profile convertible.
Four-door: Most convertibles have two doors. However, four-door convertibles have been mass-produced. Examples include the 1940-41 Cadillac Series 62, 1931 Chrysler Imperial#1931–1933, Chrysler Imperial Dual Cowl Phaeton and 1961-67 Lincoln Continental. Current production four-door convertibles include the Jeep Wrangler Unlimited and Mini Cooper, Mini Cooper Cabriolet.
Peugeot presented a concept car, concept four-door retractable hardtop convertible, the Peugeot 407#407 concept cars, Peugeot 407 Macarena in 2006. Produced by French coachbuilding specialist Heuliez, the Macarena's top can be folded in 60 seconds, with a steel reinforcing beam behind the front seats incorporating LCD screens for the rear passengers into the crossmember.
Off-road: Several off-road vehicles have been produced with removable soft tops. Examples include the Jeep Wrangler, Suzuki Vitara, Suzuki Jimny, Ford Bronco, Land Rover Defender, Mercedes-Benz G-Class as well as early models of the Toyota Land Cruiser and Land Rover Defender. Typically, the soft tops attach to the roll cage or to the installation points on the vehicle's body.
Landaulet: A landaulet (car), landaulet (also known as ''landaulette'') is where the rear passengers are covered by a convertible (car), convertible top. Often the driver is separated from the rear passengers with a partition, as per a limousine.
In the second half of the 20th century, landaulets were used by public figures (such as heads of state) in formal processions. They are now rarely used, for fear of terrorist attacks.
Victoria-Cabriolet: reminiscent of the Victoria (carriage), victoria carriage style, a three-position convertible. No rear side windows and equipped with a soft top which can be raised partway, leaving the area above the front seats folded back. This bodystyle had a short period of popularity, mainly in the 1930s. Other names include Cabriolet/Coupé Milord (or just Milord), Calash (from Barouche, Calèche), Folding Head DHC, three-position Drop-head Coupé, or ''Cabriolet toit de 3 positions''.#IDABS, Haajanen, p. 35
File:Late model Ford Model T.jpg, Ford Model T ''circa'' 1925, with minimal weather protection
File:Bentley 4,5 Litre Sporting Four Seater 1929.jpg, Bentley 4½ Litre 1929 with luxury snap-on and thumbscrew sidescreens
File:Aero (2556664052).jpg, Aero (automobile), Aero 500 from 1929
File:1934 ford model 40 750 De Luxe Phaeton.jpg, Ford Model B (1932), Ford Phaeton 1934 open four-door touring car
File:1937 Delahaye 135MS Roadster.jpg, 1937 Delahaye 135MS Roadster
File:1953.mg.td.arp.jpg, MG T-type, MG TD ''circa'' 1953, with manual soft top and detachable sidescreens with plastic windows
File:Lancia D23 Spyder 1953.jpg, Lancia D23 Spyder 1953
File:1955 Porsche 550 Spyder interior.jpg, 1955 Porsche 550 Spyder
File:1936 Packard Custom Convertible Victoria - LeBaron - fvl.jpg, 1936 Packard One-Twenty Convertible Victoria with the top in the semi-open (second) position
File:1950-nash-001.jpg, Fixed-profile ''circa'' 1950 Nash Motors, Nash Rambler Convertible "Landau" Coupe
File:Heckel Advertising 3.jpg, Škoda 440, Škoda 450 from 1957
File:Mercedes-Benz Typ 300 d Landaulet 2.jpg, Mercedes-Benz W189, Mercedes-Benz 300d landaulet in operation
File:Paris - Retromobile 2012 - Skoda Felicia - 1959 - 002.jpg, Škoda Felicia (1959–1964), Škoda Felicia from 1959
File:1962 Lincoln Continental convertible (6262975751).jpg, Lincoln Continental ''circa'' 1962, four-door with automatic, self-storing tonneau
File:Ma 1963 E-type.JPG, Jaguar E-type 1963, with vinyl foldable tonneau installed and snap-secured
File:1966 Mercedes-Benz 230SL convertible (10560521576).jpg, Mercedes-Benz SL-Class, Mercedes SL 1964, available with a detachable hardtop
File:Rolls Royce Phantom V State Landaulette 1966.jpg, 1966 Rolls-Royce Phantom V landaulet
File:1971eldofront.jpg, Cadillac Eldorado 1972, with detachable, two-part, fully rigid "parade boot" tonneau cover
File:2cv pinkdylan frome.jpg, Citroën 2CV fixed profile convertible ''circa'' 1975, with roll-back roof and rigid doors
File:May 2011 Parade - beginning.jpeg, ZIL-41047, ZIL-410441 parading on Victory Day 2011.
File:1986 RR Corniche II rear.jpg, Rolls Royce Corniche ''circa'' 1986, with a manually installed tonneau cover
File:Allante.jpg, Cadillac Allanté ''circa'' 1993, with detachable, rigid plastic tonneau cover.
File:Volkswagen New Beetle Cabriolet Red IAA 2003.jpg, Volkswagen New Beetle ''circa'' 2003, with raised textile top
File:Porsche Boxster hr silver.jpg, Porsche Boxster ''circa'' 2004, with detachable clear plastic windblocker and a Z-fold top
File:Citroen C3 Pluriel rear 20071104.jpg, Citroën C3, Citroën C3 Pluriel ''circa'' 2007 with roll-back textile roof and removable rigid sidebars
File:Fiat 500C 1.2 8V Lounge – Heckansicht, 16. April 2011, Düsseldorf.jpg, A Fiat 500 (2007) fixed-profile convertible
File:Jaguar XK8 Cabriolet rear 20070520.jpg, Jaguar XK ''circa'' 2008, with heatable glass rear window and fully automatic cloth top
File:1959 Ford Fairlane 500 Galaxie Skyliner convertible (7026234411).jpg, 1959 Ford Fairlane 500 Skyliner
File:Daihatsu.copen.arp.750pix.jpg, Daihatsu Copen ''circa'' 2001 with retracted hardtop, Kei car, kei class
File:Chevrolet SSR.jpg, Chevrolet SSR ''circa'' 2004, a retractable hardtop convertible pickup truck
File:Paris 2006 - Ford Focus CC.JPG, Ford Focus (International)#Additional variants, Ford Focus CC ''circa'' 2006 with its roof retracted
File:Mazda MX-5 hardtop.jpg, Mazda MX-5 ''circa'' 2007, with polycarbonate hardtop
File:Cadillac XLR 2006.jpg, Cadillac XLR ''circa'' 2007, with aluminum hardtop concealed by tonneau cover
File:Volkswagen Eos Front-view.JPG, Volkswagen Eos ''circa'' 2007 with five-segment top and independent sunroof
passenger car
A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods.
The year 1886 is regarded as ...
that can be driven with or without a roof in place. The methods of retracting and storing the roof vary among eras and manufacturers.
A convertible car's design allows an open-air driving experience, with the ability to provide a roof when required. A potential drawback of convertibles is their reduced structural rigidity (requiring significant engineering and modification to counteract the effects of removing a car's roof).
The majority of convertible roofs are of a folding construction framework with the actual top made from cloth or other fabric. Other types of convertible roofs include retractable hardtops (often constructed from metal or plastic) and detachable hardtops (where a metal or plastic roof is manually removed and often stored in the trunk
Trunk may refer to:
Biology
* Trunk (anatomy), synonym for torso
* Trunk (botany), a tree's central superstructure
* Trunk of corpus callosum, in neuroanatomy
* Elephant trunk, the proboscis of an elephant
Computing
* Trunk (software), in rev ...
).
Terminology
Other terms for convertibles include cabriolet, cabrio, drop top, drophead coupé, open two-seater, open top, rag top, soft top, spider, and spyder. Consistency is rare about the current use of cabriolet in preference to convertible. The term cabriolet originated from a carriage cabriolet: "a light, two-wheeled, one-horse carriage with a folding top, capable of seating two persons"; however, the term is also used to describe other convertibles. In the United Kingdom, the historical term for a two-door convertible is drophead coupé, and a four-door convertible was called an all-weather tourer.History
Most of the early automobiles were open-air vehicles without any roof or sides. As car engines became more powerful by the end of the 19th century, folding textile or leather roofs (as had been used on victoria or landau carriages) began to appear on cars. Examples of early cars with roofs include the phaeton (a two-seat car with a temporary roof), the brougham or a coupé de ville
Coupé de ville — also known as town car or sedanca de ville — is a car body style produced from 1908 to 1939 with an external or open-topped driver's position and an enclosed compartment for passengers. Although the different terms may ha ...
, having an enclosed passenger compartment at the rear, while the driver sat in front either in the open, or the landaulet Landaulet may refer to:
* Landaulet (carriage), horse-drawn carriage
* Landaulet (car)
A landaulet, also known as a landaulette, is a car body style where the rear passengers are covered by a convertible top. Often the driver is separated from t ...
, where the driver has a fixed roof and the passenger compartment has a folding roof. Less expensive cars, such as the runabouts, sporting roadsters, or sturdy touring car
Touring car and tourer are both terms for open cars (i.e. cars without a fixed roof).
"Touring car" is a style of open car built in the United States which seats four or more people. The style was popular from the early 1900s to the 1930s.
Th ...
s, remained either completely open air or were fitted with a rudimentary folding top and detachable clear side curtains.
In the 1920s, when steel bodies began to be mass-produced, closed cars became available to the average buyer, and fully open cars began to disappear from the mainstream market. By the mid 1930s, the remaining small number of convertibles sold were high-priced luxury models. In 1939, Plymouth
Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west.
Plymouth ...
introduced the first mechanically operated convertible roof.
Demand for convertibles increased as a result of American soldiers in France and the United Kingdom during World War 2 experiencing the small roadster (automobile), roadster cars which were not available in the United States at the time. These roadsters included the MG T-type, MG Midget and Triumph Roadster. United States automakers manufactured a broad range of models during the 1950s and 1960s – from economical compact-sized models such as the Rambler American and the Studebaker Lark, to the more expensive models, such as the Packard Caribbean, Oldsmobile 98, and Imperial (automobile), Imperial by Chrysler. Automakers often included a convertible body style as an available body style in a model range.
During the 1970s, the popularity of convertibles was severely reduced by the increased travel speeds on roads (resulting in more wind and noise for occupants) and proposed vehicle crash safety standards in the United States. Automobile air conditioning systems, T-top roofs, and sunroofs were also becoming popular, reducing the demand for convertibles. After the last Cadillac Eldorado convertible was made in 1976, the only convertibles sold in the United States were imported, until Chrysler Corporation introduced 1982 models based on the Chrysler K platform, K-Car. For Chrysler, this was the Chrysler LeBaron, LeBaron, and for Dodge, the Dodge 400, 400. Ford reintroduced a convertible Ford Mustang, Mustang for 1983 while American Motors Corporation (AMC) added a convertible version of the Renault Alliance in 1984.
In 1989, Mazda released the first generation Mazda MX-5 (called "Miata" in North America), which has become the best-selling convertible with over 1 million cars sold. Also in 1989, Toyota released the Toyota Soarer#Z20 series (1986–1991), Toyota Soarer Aerocabin, which uses an electrically operated retractable hardtop roof. A total of 500 were produced. Models dedicated to the convertible body style include the Mazda MX-5, Porsche Boxster and Buick Cascada, Opel Cascada.
Roof types
Textile
A "soft top" is made from a flexible textile material:
* Early convertibles used cotton canvas woven so tightly that it is waterproof. Automakers had problems in securing raw materials to fulfil orders after World War II, including canvas in various shades for convertible tops, therefore limiting their manufacture.
* A cloth-based material has become more common in recent years.
Other materials are also used in the convertible top. By 1955, the most popular materials were latex and butyl rubber fabrics that each accounted for around 35% of the convertible top's weight, with others included vinyl (fabric), vinyl (12%), jute (8%), along with rayon and acrylic fibers (Orlon), amounting to about 1% each in the compositions. Polyvinyl chloride (PVC) material was used for many convertible tops. The material consists of two layers: a top layer made of PVC, which has a specific structure depending on the vehicle model, and a lower layer made of fabric (usually cotton).
The collapsible textile roof section over an articulated folding frame may include linings such as a sound-deadening layer and/or an interior cosmetic lining, to hide the frame.
The folded convertible top is called the stack.
Detachable hardtop
Rigid removable hardtops, many of which store in a car's trunk/boot, have been around at least since the 1950s. These normally provide superior weatherproofing, soundproofing, and durability compared to fabric-based tops; some are available with integrated rear-window defrosters and windscreens. Examples include the Ford Thunderbird (1st-generation and 11th-generation), Mercedes-Benz SL-Class, Mercedes SL (2nd-generation and 3rd-generation), Porsche Boxster, Jeep Wrangler, Ford Mustang Cobra (1995 Only), and Mazda MX-5.
During the 1950s and 1960s, detachable hard-material roofs were offered for various convertible (car), convertible sports cars and roadsters, including the 1955–1957 Ford Thunderbird and Chevrolet Corvette, as well as the 1963–1971 Mercedes-Benz W113 series of two-seaters. Because the convertible top mechanism is itself expensive, the hard roof was customarily offered as an additional, extra-cost option. On early Thunderbirds (and Corvettes through 1967), buyers could choose between a detachable hardtop and a folding canvas top at no additional cost, but paid extra for both.
The metal-framed "Carson top" was a popular addition for the 1930s Ford convertibles or roadsters because it turned these models into an almost instant hardtop. The design mimicked a convertible top, but lacking the bulky folding mechanisms enabled the removable hardtop to have a much lower and more rakish profile.
Improvements in canvas tops have rendered the detachable hard roof less common in part because the top cannot be stored inside the vehicle when not in use, requiring a garage or other storage facility. Some open cars continue to offer it as an option. For example, Mazda MX-5s has an accessory hardtop, which is compulsory for some auto racing series.Retractable hardtop
A retractable hardtop — also known as "coupé convertible" or "coupé cabriolet" — is a car with an automatically operated, self-storing hardtop (as opposed to the textile-based roof used by traditional convertibles).
The benefits of improved climate control and security are traded off against increased mechanical complexity, cost, weight, and often reduced luggage capacity.
Other design features
Tonneau cover
Folding textile convertible tops often fail to completely hide their internal mechanism or can expose their vulnerable underside to sun exposure and fading. A tonneau cover provides a solution.Rear window
Rear windows are often part of the roof assembly. Traditionally, the rear window in a soft-top was made from plastic; however, more recently some convertibles have used glass for the rear window.Windblocker
A windblocker or wind deflector minimizes noise and rushing air reaching the occupants. According to the engineer responsible for the 2008 Chrysler Sebring (convertible), Chrysler Sebring, its windblocker reduces wind noise by approximately 11 to 12 decibel, dB. Several convertibles are available with a heating duct to the neck area of the seat, which is often called an "Air Scarf". Examples of cars with this feature include Mercedes-Benz SLK-Class, Mercedes-Benz SL-Class, and Audi A5/Audi S5, S5.Safety
Modern safety features specifically for convertibles include: * Roll over protection structure, rollover protection structures (ROPS) with pyrotechnics, pyrotechnically charged roll hoops hidden behind the rear seats that deploy under rollover conditions * heated rear window (for improved visibility) * boron steel-reinforced A-pillars * safety cage construction – a horseshoe-like structure around the passenger compartment * door-mounted side-impact airbag which inflates upward (instead of downward like the typical curtain airbag) to provide head protection even with an open windowVariations
Convertibles have offered numerous iterations that fall between the first mechanically simple fabric tops to complex retractable roofs made from hard materials: Roadster: A Roadster (automobile), roadster (also called ''spider'' or ''spyder'') is an open two-seat car with emphasis on sporting appearance or character. Initially, an American term for a two-seat car with no weather protection, usage has spread internationally and has evolved to include two-seat convertibles. Cabrio coach: A cabrio coach (also called ''semi-convertible'') has a retractable textile roof, similar to a traditional convertible. The difference is that a convertible often has the B-pillar, C-pillar and other bodywork removed. However, the cabrio-coach retains all bodywork to the top of the door frames and just replaces the roof skin with a retractable fabric panel. An advantage of a cabrio coach is that retaining more of the car's original structure means that structural rigidity is higher (or the vehicle weight is lower) than traditional cabriolets. An example of the cabrio coach is the 2003-10 Citroën C3, C3 Pluriel, which has a roof with five possible configurations.
Fixed-profile: In contrast to convertibles where the entire bodywork above the beltline (doors, roof, side pillars, side bodywork) is replaced with a folding or retractable roof, the fixed profile convertible retains portions of fixed bodywork including the doors, side pillars, and side elements of the roof — while a center fabric portion slides back and accordions at the rear. As an example, Citroën's 1948 Citroën 2CV featured rigid bodysides and two doors on each side, along with a sunroof that rolled back on itself and extended to the rear bumper in place of a separate trunk lid. Other fixed-profile convertibles include the 1957 Autobianchi Bianchina, Autobianchi Bianchina Trasformabile, 1957 Vespa 400, 1950 Nash Motors, Nash Rambler Landau Convertible Coupe, the Nissan Figaro (1991), the Jaguar XJ-SC (1983) as well as the 1957 Fiat 500 and its 2007 Fiat 500 (2007), Fiat 500 successor. The 1984 Heuliez-designed Citroën Visa ''Décapotable'' used elements of a fixed-profile convertible.
Four-door: Most convertibles have two doors. However, four-door convertibles have been mass-produced. Examples include the 1940-41 Cadillac Series 62, 1931 Chrysler Imperial#1931–1933, Chrysler Imperial Dual Cowl Phaeton and 1961-67 Lincoln Continental. Current production four-door convertibles include the Jeep Wrangler Unlimited and Mini Cooper, Mini Cooper Cabriolet.
Peugeot presented a concept car, concept four-door retractable hardtop convertible, the Peugeot 407#407 concept cars, Peugeot 407 Macarena in 2006. Produced by French coachbuilding specialist Heuliez, the Macarena's top can be folded in 60 seconds, with a steel reinforcing beam behind the front seats incorporating LCD screens for the rear passengers into the crossmember.
Off-road: Several off-road vehicles have been produced with removable soft tops. Examples include the Jeep Wrangler, Suzuki Vitara, Suzuki Jimny, Ford Bronco, Land Rover Defender, Mercedes-Benz G-Class as well as early models of the Toyota Land Cruiser and Land Rover Defender. Typically, the soft tops attach to the roll cage or to the installation points on the vehicle's body.
Landaulet: A landaulet (car), landaulet (also known as ''landaulette'') is where the rear passengers are covered by a convertible (car), convertible top. Often the driver is separated from the rear passengers with a partition, as per a limousine.
In the second half of the 20th century, landaulets were used by public figures (such as heads of state) in formal processions. They are now rarely used, for fear of terrorist attacks.
Victoria-Cabriolet: reminiscent of the Victoria (carriage), victoria carriage style, a three-position convertible. No rear side windows and equipped with a soft top which can be raised partway, leaving the area above the front seats folded back. This bodystyle had a short period of popularity, mainly in the 1930s. Other names include Cabriolet/Coupé Milord (or just Milord), Calash (from Barouche, Calèche), Folding Head DHC, three-position Drop-head Coupé, or ''Cabriolet toit de 3 positions''.#IDABS, Haajanen, p. 35
Gallery
Open car and roadster
Convertibles
Retractable hardtop
See also
* Targa top * NASCAR Convertible Division * Vinyl roof * SunroofReferences
Further reading
* * * * * {{DEFAULTSORT:Convertible (Automobile) Car body styles, car body style Convertibles, Automotive styling features