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Avehicle canopy is a rarely used type of door for cars. It has no official name so it is also known as anarticulated canopy,bubble canopy,[1]cockpit canopy,[2]canopy door,[3] or simply acanopy.[4] A canopy is a type of door which sits on top of a car and lifts up in some way, to provide access for passengers. It is similar to anaircraft canopy. There are no established sub-types of canopies, so they can be hinged at the front, side, or back, although hinging at the front is most common. Canopy doors are rarely used onproduction cars, and are sometimes used onconcept cars.
This is not an exhaustive list.
The first vehicle canopy is thought to have been invented byMesserschmitt, the German aeroplane manufacturer that was not allowed to produce aircraft afterWorld War II. Instead, they produced cars designed by aircraft engineerFritz Fend.[7] Unlike most later car canopies, the Messerschmitt canopies are hinged on the side, as was the canopy of many fighter planes. A problem with side hinging is that, for a car with typical side-by-side seating, the passengers sitting closest to the hinge must slide or climb across a seat to get out of the car. For that reason the side-hinging canopy is best suited for single-occupant or tandem-seat cars, and later canopies were usually hinged at the front or back.
TheKR175 was the first car, production or concept, to have a canopy. In 1956, the model was changed to the Messerschmitt KR200.[8]
The most noticeable thing about theKR200 is its distinctive bubble canopy, which gave rise to the term 'bubble car'. The KR200 continued Messerschmitt's side-hinged canopies. These were usually transparent acrylic ("Plexiglas" or "Perspex"), though reproductions are car-safepolymethyl methacrylate.[8]
The first of three concept cars made under theAlfa Romeo Scarabeo name was equipped with a forward hinged canopy.
The 1969Holden Hurricane concept car features a canopy door.
TheFerrari 512 S Modulo concept car, designed byPininfarina, features a canopy door.
TheBond Bug is a small three-wheeled sports car and was the first production car to use a front-hinged canopy.
Other than thePurvis Eureka (a licensed copy of the Nova) and the Bond Bug, theNova is the only production car to date to use a front-hinged canopy door. The windscreen has small A-pillars so it looks like a conventional car when the canopy is closed.
The 1985Buick Wildcat concept car had a canopy.[9] The style of canopy used was an extended canopy, composed of much of the front bodywork, and not just the passenger compartment. A canopy was used in this concept car as it was thought to be futuristic.
TheZagato Raptor was a 1996 concept designed byZagato an based on aLamborghini Diablo VT platform. Designed with iconic double-bubble roof that tilted forwards as opening instead of doors.[10]
The conceptVolkswagen 1-litre car, the VW 1L, uses a canopy door. The 2013 production version of the concept used butterfly doors.
TheMaserati Birdcage 75th lacks conventional doors, instead using an extended canopy system. The demonstrator model lacks air-conditioning and so journalists (includingEvo Magazine's Harry Metcalfe) experienced the previously-mentioned 'glasshouse effect': whilst driving the vehicle they were reportedly forced to keep the bubble slightly open on hot days to cool the car's interior.[6]
TheAero X's top canopy is styled on the one of the Saab aeroplanes, and this was their inspiration for using a canopy. The canopy opens by remote control, and there is a lever to close it again.[11]
The three-piece canopy eliminates the problems like a high sill and awkwardly angled roof, although the mechanisms are more complex and so heavier, and more likely to fail; leaving an occupant stranded inside a car.The canopy includes a wrap-around windscreen and a glass roof, side windows and body panels (which lift upwards, lowering the sills), and the top roof section of the interior fascia (which moves inwards so it doesn't obstruct entry/exit).[11] These sections intricately manoeuvre themselves into a position where they take up as little space as possible. This construction eliminates the need for doors and A-pillars and so the windscreen extends from B-pillar to B-pillar, which has the important benefit of improving overall visibility.[11]
In October 2018,Human Horizons, the mother company of theHiPhi NEV brand revealed the Concept H, alongside the Concept A. The H is for Hypervelocity, and the concept features a set of butterfly doors with an additional canopy opening which the company calls the A.C.E.S. or Articulated Cabin Entry System, which moves part of the roof to make access easier. The idea was later transferred to theHiPhi X production car in the form of gull wing doors or what the company calls the NT door.[12]
Various models of theBatmobile used in the production of the Batman films make use of the canopy door.
Bubble canopies are popular on somecustom cars, most notably those byEd Roth, such as theOrbitron,Road Agent andBeatnik Bandit.
TheLamborghini Egoista, the company's 50th anniversary celebration car, has a canopy door. It is designed to look like a fighter jet.[citation needed]
TheLamborghini Terzo Millennio, a futuristic electric concept car introduced by Lamborghini and developed in collaboration with the Massachusetts Institute of Technology (MIT) also has a canopy door.[citation needed]
The action-roleplaying video game expansionCyberpunk 2077: Phantom Liberty features the Herrera Riptide, aretro-futuristic sports coupe vehicle that has a canopy door.[13]