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Butterfly doors are a type of
This Is the Vintage Alfa Romeo That Inspired the New 8C
accessdate: 15. June 2019 These doors were commonly used in
File:Alfa Tipo 33 Stradale canopy doors (Torcy road show 2010 cropped).jpg, 1969 Alfa Romeo 33 Stradale: close-up with integrated side / canopy door-window glass
File:California Legal Sera.jpg, Toyota Sera
File:1996 McLaren F1 open.jpg, 1996
Butterfly doors are a type of car door
Exterior side of car door on a 1986 Ford Taurus
A car door is a type of door opening, typically hinged on its front edge, but sometimes attached by other mechanisms such as tracks, for entering and exiting a vehicle. Doors most often integr ...
sometimes seen on high-performance cars. They are slightly different from scissor doors
Scissor doors (also called flap doors, wing doors, beetle-wing doors, turtle doors, switchblade doors, swing-up doors, upswing doors, Lamborghini doors, and Lambo doors) are Car door, automobile doors that rotate vertically at a fixed hinge at t ...
. While scissor doors move straight up via hinge points at the bottom of a car's A-pillar, butterfly doors move up and out via hinges along the A-pillar. This makes for easier entry and exit, at the expense of requiring more side clearance than needed for scissor doors.
History
Butterfly doors were first seen on theAlfa Romeo 33 Stradale
The Alfa Romeo 33 Stradale is a Mid-engine design, mid-engine sports car built by Italian automobile manufacturer Alfa Romeo. It was the fastest commercially available car for the standing kilometer upon its introduction.Alfa Romeo 33 Stradale tu ...
in 1967.This Is the Vintage Alfa Romeo That Inspired the New 8CThis Is the Vintage Alfa Romeo That Inspired the New 8C
accessdate: 15. June 2019 These doors were commonly used in
Group C
Group C was a category of sports car racing introduced by the FIA in 1982 and continuing until 1993, with ''Group A'' for Touring car racing, touring cars and ''Group B'' for Grand tourer, GTs.
It was designed to replace both Group 5 (motorspor ...
and IMSA GTP
IMSA GT classes are former classifications of sports prototypes in sports car racing competing in the IMSA GT Championship. The classes were used at different, overlapping times during the period from 1971 to 1998, over which the championship ran.
...
prototypes
A prototype is an early sample, model, or release of a product built to test a concept or process. It is a term used in a variety of contexts, including semantics, design, electronics, and software programming. A prototype is generally used to ...
, as they preserved the aerodynamic shape of the canopy while allowing the driver to enter and exit the car more quickly than conventional and gullwing doors.
The Toyota Sera, made between 1990 and 1995, was a limited-release car designed exclusively for the Japanese market and the first mass-produced
Mass production, also known as mass production, series production, series manufacture, or continuous production, is the production of substantial amounts of standardized products in a constant flow, including and especially on assembly lines. ...
vehicle with butterfly doors. The Mercedes-Benz SLR McLaren
The Mercedes-Benz SLR McLaren (C199 / R199 / Z199) is a grand tourer jointly developed by German automotive manufacturer Mercedes-Benz and British automobile manufacturer McLaren Automotive and sold from 2003 to 2010. When the car was develope ...
is one of the few open-top cars to use butterfly wing doors. This is made possible by having hinge points along the side of the A-pillar instead of at the top.
Butterfly doors have been an adopted design of modern prototypes and sports cars such as the McLaren F1
The McLaren F1 is a sports car that was the first Motor vehicle type approval, type approved road-going sportscar manufactured by British Formula One team McLaren. It was the last road-legal, series-produced sportscar to win the 24 Hours of Le ...
, Toyota GT-One
The Toyota GT-One (model code TS020) is a Auto racing, racing car initially developed for Group GT1 rules, but later adapted into an IMSA GT Championship, LMGTP car. It raced in the 1998 24 Hours of Le Mans, 1998 and 1999 24 Hours of Le Mans.
H ...
, Saleen S7
The Saleen S7 is an American hand-built, high-performance sports car designed and built by American automobile manufacturer Saleen Automotive Inc. Developed jointly by Steve Saleen for the initial concept, direction and engine, Hidden Creek Indu ...
, Ferrari Enzo
The Ferrari Enzo (Type F140), officially marketed as Enzo Ferrari, is a mid-engine sports car manufactured by Italian automobile manufacturer Ferrari and named after the company's founder, Enzo Ferrari. It was developed in 2002 using Formula ...
(and its track day version, the FXX), Bentley Speed 8
The Bentley Speed 8 (developed from the Bentley EXP Speed 8) is a Grand Touring Prototype race car that was designed by Bentley. It has a strong resemblance to and shares some technology with the Audi R8C, which had raced only once before Audi ...
, Peugeot 908 HDi FAP
The Peugeot 908 HDi FAP is a sports prototype racing car built by the French automobile manufacturer Peugeot to compete in the 24 Hours of Le Mans endurance race, starting in 2007 and eventually winning in 2009. This effort, in development sinc ...
, McLaren Senna
The McLaren Senna is a limited-production Mid engined, mid-engined sports car manufactured by McLaren Automotive. The car is the third addition in the ''McLaren Ultimate Series'', joining the McLaren F1, F1 and the McLaren P1, P1; however, it i ...
, Maserati MC20, and Bugatti Tourbillon.
The McLaren 12C
The McLaren MP4-12C, later rebranded as the McLaren 12C, is a sports car produced by the British carmaker McLaren Automotive. Manufactured between 2011 and 2014 and designed by Frank Stephenson, the MP4-12C was available as both a coupe and a R ...
has a unique system wherein the butterfly doors do not use a top hinge. This allows the car and its convertible version to use frameless windows.
McLaren F1
The McLaren F1 is a sports car that was the first Motor vehicle type approval, type approved road-going sportscar manufactured by British Formula One team McLaren. It was the last road-legal, series-produced sportscar to win the 24 Hours of Le ...
File:Porsche 911 gt1 - AIMS.JPG, Porsche 911 GT1
The Porsche 911 GT1 is a car designed and developed by German automobile manufacturer Porsche AG to compete in the GT1 class of sportscar racing, which also required a street-legal version for homologation (motorsport), homologation purposes. The ...
File:Ferrari Enzo Concours.jpg, Ferrari Enzo
The Ferrari Enzo (Type F140), officially marketed as Enzo Ferrari, is a mid-engine sports car manufactured by Italian automobile manufacturer Ferrari and named after the company's founder, Enzo Ferrari. It was developed in 2002 using Formula ...
File:Mercedes-Benz SLR McLaren - Flickr - exfordy.jpg, Mercedes-Benz SLR McLaren
The Mercedes-Benz SLR McLaren (C199 / R199 / Z199) is a grand tourer jointly developed by German automotive manufacturer Mercedes-Benz and British automobile manufacturer McLaren Automotive and sold from 2003 to 2010. When the car was develope ...
Roadster
File:Laferrari (16939226089).jpg, LaFerrari
LaFerrari, project name F150, is a limited production mid-engine, mild hybrid sports car built by Italian automotive manufacturer Ferrari. Its name means "The Ferrari" in Italian, as it is intended to be the definitive Ferrari.
Design and de ...
File:BMW i8 at TMS 2013.jpg, BMW i8
The BMW i8 is a plug-in hybrid sports car developed by BMW. The i8 was part of BMW's electrified fleet and was marketed under the BMW i sub-brand. The production version of the BMW i8 was unveiled at the 2013 Frankfurt Motor Show and was releas ...
File:Maserati MC20 Auto Zuerich 2021 IMG 0419.jpg, Frameless butterfly doors on Maserati MC20
See also
*Gull-wing door
In the automotive industry, a gull-wing door, also known as a falcon-wing door, McLaren anhedral door, or an up-door, is a car door that is hinged at the roof rather than the side, as pioneered by Mercedes-Benz 300 SL, first as a race car in ...
* List of cars with non-standard door designs
* Scissor doors
Scissor doors (also called flap doors, wing doors, beetle-wing doors, turtle doors, switchblade doors, swing-up doors, upswing doors, Lamborghini doors, and Lambo doors) are Car door, automobile doors that rotate vertically at a fixed hinge at t ...
* Sliding doors
''Sliding Doors'' is a 1998 romantic comedy-drama film written and directed by Peter Howitt and starring Gwyneth Paltrow while also featuring John Hannah, John Lynch, and Jeanne Tripplehorn. The film alternates between two storylines, showi ...
* Suicide door
A suicide door is an Car door, automobile door hinged at its rear rather than the front. Such doors were originally used on Horse-drawn vehicle, horse-drawn carriages but are rarely found on modern vehicles, primarily because they are less saf ...
* Swan doors
* Vehicle canopy
A vehicle canopy is a rarely used type of door for cars. It has no official name so it is also known as an articulated canopy, bubble canopy,
References
External links
* {{DEFAULTSORT:Butterfly Doors Car doors