Gull Wing Door

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Gull-wing door This article is about the type of car door. For the aircraft wing shape, see Gull see  Gull wing. wing. Gull-wing door  is an automotive industry term de-

DMC-12 with  with its doors open A  DeLorean DMC-12

Mercedes-Benz 300SL Gullwing  Gullwing Coupé with its doors open Mercedes-Benz 300SL

350 light  light aircraft with its gull-wing doors open A  Cessna 350

discussing “Gull-wing” design.[2] Conve discussing Conventional ntional car doors are typically hinged at the front-facing edge of the door and the door swings outward in a horizontal plane. Apart from the Mercedes-Benz the Mercedes-Benz 300SL of 300SL of the mid-1950s and the experimental Mercedes-Benz experimental  Mercedes-Benz C111 C111 of  of the early 1970s, the best-known examples of road-cars with gullwing doors are the   Bricklin SV-1   from the 1970s and the DeLo DeLorean rean DMCDMC-12 12 fr from om the 1980s 1980s.. G Gullull-wing wing doors doors have also been used in aircraft designs, such as the four Socata TB series seat single single-engine -engine Socata TB series built in France.[3]

A  Bricklin SV-1 with SV-1  with its doors open

scribing  car doors scribing car doors that  that are hinged at the roof rather than Mercedes-Benz s-Benz 300SL the si side, de, as pi pion onee eered red by the 195 1952 2 Mercede race car (W194) and its road-legal version (W198) introduced in 1954. Open Openin ing g upwa upward rds, s, th thee door doorss ev evok okee the the imag imagee of a seagull seagull's 's wings  wings.. In Fren French ch the they y are  portes papillon  (butterfly terfl y doors). The papillo papillon n door, slightl slightly y diff differe erent nt in its arc archi hitec tectur turee from a gull gullwin wing g doo doorr – desi design gned ed by

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Practi Practical cal con consi sider derati ations ons

[1]

Jean Bugatti in  in   1939 Type 64 64,, fourteen years before Despite the common misconception that the gull-wing Mercedes Merc edes-Benz -Benz prod produced uced its simi similar, lar, famous famous 300SL gull- doors are mere stylistic affectations, the design is a very pract ctic ical al one in a ti tigh ghtt urb urban an parki parking ng spac space. e. Wh When en wing door – is a precursor, but is often overlooked when pra 1

 

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properly designed and counterbalanced, they require little side-clearance to open (about 27.5 cm, or 11” in the DeLorean[4] ) and allow much better entrance/e entrance/egress gress than conventional conv entional doors. The most obvious downside downside to having gull-wing doors is that, should the car roll over and come to rest on its roof, exit by the doors would be impossible, requiring requiring a large windscree windscreen n opening tto o escape. A Volvo concept car (Volvo (Volvo YCC) YCC) that was designed by and for women had gull-wing doors as part of a design meant to be appealing from from a woman’s perspectiv perspective. e. Gullwing doors to make it easier to lift a bag to store it behind the drivers seat, increases visibility over the driver’s shoulder, and makes it easier to get in and out of the vehicle.[5]

LIST OF AUTO UTOMO MOBI BILES  LES 

no convertible version was ever planned. It also makes sealing the car against water leak leakss more difficult ficult bec becaus ausee of the shape shape andmovem andmovemen entt pat path h of the door door itself.

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List List of au auto tomo mobi bile less

The   Tesla Model X, The  X, first introduced in 2015, has gullwing doors doors (called ffalc alcon-wi on-wing ng doors by Tes Tesla). la). The Model X has several design considerations to make the doors more practical. The doors are double hinged. This allows them to open with less clearance (horizontal and vertical) vertic al) than would otherwise be required. The vehicle vehicle also has sensors to determine ceiling height and the presence of potential obstacles. The vehicle then determines how the hinges will operate to open the doors and avoid the obstacles, if possible.[6] Gumpert Apollo

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Desig Design n ch chall alleng enges es

Gull-wing doors have a somewhat questionable reputation because of early examples like the Mercedes and the Bricklin.[7] The 300 SL needed the door design as its tubula tub ularr frame rame rac racee car ch chass assis is desi design gn had a very very high high doo doorr sill, which in combination with a low roof would make a sta standa ndard rd door door openin opening g ve very ry low low and small small.. The Me Merc rced edes es engin eng ineer eerss sol solve ved d the pro probl blem em by also also ope openin ning g a par partt of the roof. The Bricklin was a more conventionally sized door but the actuation system was problematic in day-to-day Melkus RS 1000 use and led to unreliable operation until an aftermarket [8]

air-doorthere upgrade was installed allinBricklins. addition, was some concern in that making the In doors as light as possible they wouldn't provide adequate protection in side-impact accidents. accidents. There was, howev however, er, no indication that this concern was justified. The DeLorean solved these problems by using a  a   solidsteel   torsion bar (supplied by   Grumman Aircraft Engisteel neering Corporation) Corporation) to counterbalance a full-sized door and then used simple pneumatic struts similar to those  cars to open the doors and damp their found in hatchback in hatchback cars movement. Other disadvantages disadvantages of the system were not so easy to address. dres s. For exampl example, e, the gull-wing gull-wing des design ign mak makes es cre creating ating a convertible version of the car harder, as the hinges would convertible version be removed with the roof, and standard doors would be Tesla Model X  needed fo needed forr the con conve vertibl rtible. e. Mer Mercede cedess did so whe when n rep replaclacing the gullwing coupe altogether with the 300SL road- The following is a (partial) list of production and kit auster in 1958. It was never a concern for DeLorean since since tomobiles with gull-wing doors:

 

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Prod Product uctio ion n cars cars



 Autozam AZ-1 (Suzuki AZ-1 (Suzuki Cara)



 Bricklin SV-1

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Air Aircr craf aftt •

 Cessna 350



  Socata TB



 Bristol Fighter



 DeLorean DMC-12



 De Tomaso Mangusta Mangusta (engine  (engine compartment)



 Gumpert Apollo



  List of cars with unusual door designs designs



 Hofstetter Turbo



 Suicide doors



 Isdera Commendatore 112i



 Scissor doors



 Melkus RS 1000



 Butterfly doors



 Melkus RS 2000



 Sliding doors



 Mercedes-Benz 300SL •

 Canopy door



 Mercedes-Benz SLS AMG •

  Car door



 Pagani Huayra



 (NSU) Thurner RS



  Tesla Model X X (rear  (rear passenger doors only)



  Quant E



  Quant F



 Bugatti atlantic type 64

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Kit Kit car arss

Gullwing doors are common in kit cars and many were made that are not included on this list. They were almost always one of the most mechanically problematic parts of these vehicles. •

  AMT AMT Piranha  Piranha



Bradley  GTII   Bradley GTII



  Dare DZ Dare  DZ



Eagle  SS Mk1   Eagle SS

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See also

Ref Refer eren ence cess

[1]   http://www.bugatti.com/en/tradition/bugatti-models/ t64.html [2]  “Papillon and gull-wing door” [3]   “Socata Trinidad GT: A beautiful little French retractable retractable with a certain je ne sais quoi”,  Plane & Pilot  retrieved 3 August 2011 [4] Knut Gr Grims imsrud. rud. “DeLorean  “DeLorean Frequently Asked Questions - Technica Technicall Informa Information” tion”.. Dmcne Dmcnews. ws.co com. m. Ret Retri riev eved ed 2009-12-08. “Volvo vo Concept Car” Car”.. [5]   “Vol March 2, 2004.

Volvo olvo Car Franc France. e.

Retri Retriev eved ed

freaky Falcon Falcon Wing doors”. doors”. [6]   “Inside Tesla’s freaky





  Elite Enterprises Laser 917, inspired inspired by the Porsche the Porsche 917 Fiberfab Aztec  Aztec 7, a loose replica of the Alfa the  Alfa Romeo   Fiberfab Carabo concept Carabo  concept car (which has scissor has scissor doors). doors).



  Fiberfab Fiberfab   Caribee/Banshee



 Innes Lee Scorpion K19



 Pelland Sports



  Replicar Replicar Cursor  Cursor



  RPB GT



 Burton Car Company Company hardtop  hardtop



  Siva S160 Spyder

[7]   Mechanics  “Why Don't Doors?".  Popular  . More Cars Have Gullwing Doors?". Specifications” ons”.. [8]   “Bricklin Specificati trieved 2011-11-26.

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Exte Extern rnal al link linkss

Sai Saint ntjo john. hn.nb nbcc. cc.nb. nb.ca. ca.

Re-

 

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TEX TEXT T AND IM IMAG AGE E SOURC SOURCES, ES, CONT CONTRIB RIBUTORS, UTORS, AND LICEN LICENSES  SES 

Text Text a and nd im image age sour sources, ces, ccont ontrib ributo utors, rs, an and d li licens censes es

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Text   Gu Gull-wing ll-wing door Source:  https://en.wikipedia.org/wiki/Gull-wing_door?oldid=716431054   https://en.wikipedia.org/wiki/Gull-wing_door?oldid=716431054 Contributors:   Liftarn, Gbleem, Anobo, Arteitle, Furrykef,, Aleph4, AlainV, Litefantastic, Furrykef Litefantastic, Niteowlneils, Niteowlneils, Matthead, Mateuszica, Mateuszica, SamH, Andy Christ, Ericg, Twinxo Twinxor, r, Milkmandan, Bobo192, JonGwynne, Hooperbloob, Nsaa, A strolling player, Vuo, Klparrot, Kelly Martin, Vanished User 3388458, Mikebabb, Yrithinnd, Cleared as filed, Cadillac, Rwxrwxrwx, Pil56, Jason Vanderhill, Crystallina, SmackBot, DTM, Pedrose, Xaosflux, Armeria, Chris the speller, Bluebot, BabuBhatt, OrphanBot, SpinyNorman, Morio, Jwplumley, Zero10one, Carnby, WikiABG~enwiki, Earthlyreason, Ntsimp, Peripitus, SpeedyJ, EdJogg, Zchris87v, MrFlit, Y2kcrazyjoker4, Mdoc7, Clausewitz01, Soulbot, Randy G, Lihui912, CommonsDelinker, Aliazimi, 72Dino, Peppergrower, Prahanormal, Jimlanza, GTHO, Typ932, Cryonic07, SieBot, Swaq, Warren Whyte, Oxymoron83, Dino246, Regushee, YSSYguy, Chump Manbear, Mariordo, Wraithful, Zach4636, DineshAdv, Rynoshark, Romaine, Private Pilot, Addbot, Ghettoblaster, ‫ ني‬, Luckas-bot, Yobot, Bunnyhop11, Amirobot, AnomieBOT, Snowrail, DSisyphBot, Mr.choppers, FrescoBot, Yamomwa3, TGCP, John of Reading, Bravo Foxtrot, ZéroBot, Wayne Wayne Slam, C ClueBot lueBot NG, Elroygo Elroygoh02, h02, Matthiaspaul, Matthiaspaul, BG19bot, Pvanhoesen, Pvanhoesen, Matty.007, Caffeyw, Suzukiluke, Lemmons138, KH-1, Sandul666, Optrimes, Kitcarguy, Nigautam and Anonymous: 62

Ima Images ges   File:1955_M File:1955_Mercedes-Benz_300SL_G ercedes-Benz_300SL_Gullwing_Cou ullwing_Coupe_34.jpg pe_34.jpg   Source:    https://upload.wikimedia.org/wikipedia/commons/a/a9/1955_ Mercedes-Benz_300SL_Gullwing_Coupe_34.jpg  License:  CC-BY-SA-3.0   CC-BY-SA-3.0 Contributors:   ??  Original artist:  ?   Public domain Con  File:Bricklin_SV-1.jpg Source:   https://upload.wikimedia.org/wikipedia/commons/5/5a/Bricklin_SV-1.jpg https://upload.wikimedia.org/wikipedia/commons/5/5a/Bricklin_SV-1.jpg License:  Public tributors:  public  JonGwynne on  on en.wikipedia  en.wikipedia  User JonGwynne  public domain en:User domain  en:User talk:JonGwynne#Image source  Original artist:  User   File:Cessna350 File:Cessna350N2546W02 N2546W02.jpg .jpg   Source:    https://upload.wikimedia.org/wikipedia/commons/1/1e/Cessna350N2546W02.jpg   License:  Public domain Contributors:  Own   Own work  Original artist:  Ahunt at  Ahunt  at English  English Wikipedia   File:Commons-logo.svg Source:   https://upload.wikimedia.org/wikipedia/en/4/4a/Commons-logo.svg https://upload.wikimedia.org/wikipedia/en/4/4a/Commons-logo.svg  License:  CC-BY-SA-3.0   CC-BY-SA-3.0 Contributors:   ??  Original artist:  ?   File:DeLorean_ File:DeLorean_DMC-12_with_doo DMC-12_with_doors_open.jpg rs_open.jpg   Source:    https://upload.wikimedia.org/wikipedia/commons/8/86/DeLorean_ DMC-12_with_doors_open.jpg  License:  CC-BY-SA-3.0   CC-BY-SA-3.0  Contributors:  Wikipedia   Wikipedia en  Original artist:  en:user:Grenex   File:Folder_H File:Folder_Hexagonal_I exagonal_Icon.svg con.svg Source:  https://upload.wikimedia.org/wikipedia/en/4/48/Folder_Hexagonal_Icon.svg   https://upload.wikimedia.org/wikipedia/en/4/48/Folder_Hexagonal_Icon.svg  License:   Cc-bysa-3.0  Contributors:   ??  Original artist:  ?   File:Gumpert_Ap File:Gumpert_Apollo_Dubai.jpg ollo_Dubai.jpg Source:  http  http s://upload.wikimedia.org/wikipedia/commons/c/c9/Gumpert_Apollo s://upload.wikimedia.org/wikipedia/commons/c/c9/Gumpert_Apollo_Dubai.jpg _Dubai.jpg  License:  CC-BY-SA-3.0 Contributors:   GUMPERT Sportwagenmanufaktur Sportwagenmanufaktur GmbH  Original artist:   GUMPERT Sportwagenmanufaktur Sportwagenmanufaktur GmbH   File:Melkus_RS1000.JPG  Source:   https://upload.wikimedia.org/wikipedia/commons/6/64/Melkus_RS1000.JPG  License:  CC-BY-SA3.0  Contributors:  Own   Own work  Original artist:  Thomas  Thomas doerfe doerferr   File:Model_X File:Model_X_vs._DeLorean _vs._DeLorean.jpg .jpg   Source:    https://upload.wikimedia.org/wikipedia/commons/2/29/Model_X_vs._DeLorean.jpg   License:  CC  CC BY 2.0  Contributors:  https://www.flickr.com/photos/jurvetson/21916454200/   https://www.flickr.com/photos/jurvetson/21916454200/  Original artist:  Steve Jurvetson   File:Portal-puzzle.svg  Source:   https://upload.wikimedia.org/wikipedia/en/f/fd/Portal-puzzle.svg https://upload.wikimedia.org/wikipedia/en/f/fd/Portal-puzzle.svg  License:  Public  Public domain  Contributors:   ?? Original artist:   ??

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