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{{Short description|Type of petrol engine}}
{{Merge|Turbochargers|discuss=Talk:Turbocharged petrol engine#Proposed merge of Turbochargers with Turbocharged petrol engine|date=January 2023}}
[[Turbochargers]] have been used on various [[petrol engine]]s since 1962, in order to obtain greater power or torque output for a given [[engine displacement]].
[[Turbochargers]] have been used on various [[petrol engine]]s since 1962, in order to obtain greater power or torque output for a given [[engine displacement]].


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Several motorcycles in the late 1970s and early 1980s were produced with turbocharged engines.
Several motorcycles in the late 1970s and early 1980s were produced with turbocharged engines.


==History==
== History ==
[[File:1962 Oldsmobile Jetfire (27224201910).jpg|thumb|1962 [[Oldsmobile V8 engine#Turbo Jetfire|Turbo Jetfire]] engine]]
[[File:1962 Oldsmobile Jetfire (27224201910).jpg|thumb|1962 [[Oldsmobile V8 engine#Turbo Jetfire|Turbo Jetfire]] engine]]


*'''1962:''' The first turbocharged production car engine was the [[Oldsmobile V8 engine#Turbo Jetfire|Oldsmobile Turbo Jetfire]] used in the Oldsmobile Jetfire.<ref name="turbolader1">{{cite web|url=http://en.turbolader.net/Technology/History.aspx |title=The history of turbocharging |publisher=Turbolader |location=Germany |accessdate=2012-04-13}}</ref> A [[Garrett AiResearch]] turbocharger with integral wastegate was used.<ref>{{cite web|url=http://www.dwperformance.com/about-us.aspx |title=Garrett history |website=DW Performance |location=US |accessdate=2010-08-02 |archive-url=https://web.archive.org/web/20091021050646/http://www.dwperformance.com/about-us.aspx |archive-date=2009-10-21}}</ref><ref>{{cite web|url=http://honeywellbooster.com/turbotalk/honeywell-heritage-a-hallmark-throughout-turbo-history/ |title=Honeywell Heritage: A Hallmark Throughout Turbo History |work=Booster Online |publisher=Honeywell |location=US |accessdate=2010-02-14}}</ref><ref>{{cite web |url=http://autouniversum.wordpress.com/2009/04/27/a-look-back-genesis-of-the-automotive-turbocharger/ |first=James |last=Kraus |title=A Look Back: Genesis of the Automotive Turbocharger |website=Auto Universum |date=2009-04-27 |accessdate=2010-08-02}}</ref> Power was significantly increased over the naturally aspirated (non-turbo) engine, however reliability of these engines was poor and the production of the engine ceased in 1963.<ref name="streetlegaltv1"/><ref>{{cite web |url=http://auto.howstuffworks.com/1962-1963-oldsmobile-f85-jetfire6.htm |title=Decline of the 1962-1963 Oldsmobile F-85 Jetfire |website=How Stuff Works |date=2007-10-04 |access-date=2012-04-13}}</ref> One month after the release of the turbocharged Oldsmobile, a turbocharged version of the [[Chevrolet Turbo-Air 6 engine]] was introduced in the Chevrolet Corvair Monza Spyder.<ref name="streetlegaltv1">{{cite web|url=http://www.streetlegaltv.com/news/video-oldsmobile-jetfire-americas-first-production-turbo-v8/ |title=Video: Oldsmobile Jetfire, America's First Production Turbo V8 |website=Street Muscle |location=US |date=2011-01-28 |accessdate=2012-04-13}}</ref> This engine did not use a wastegate.<ref name="knepperbook">{{cite book |last=Knepper |first=Mike |date=1 March 1982 |title=Corvair Affair |publisher=Motorbooks International |isbn=978-0879380663 }}</ref>{{rp|62, 63, 64}} Production of the turbocharged Corvair engine ran until 1966.
* '''1962:''' The first turbocharged production car engine was the [[Oldsmobile V8 engine#Turbo Jetfire|Oldsmobile Turbo Jetfire]] used in the Oldsmobile Jetfire.<ref name="turbolader1">{{cite web|url=http://en.turbolader.net/Technology/History.aspx |title=The history of turbocharging |publisher=Turbolader |location=Germany |accessdate=2012-04-13}}</ref> A [[Garrett AiResearch]] turbocharger with integral wastegate was used.<ref>{{cite web|url=http://www.dwperformance.com/about-us.aspx |title=Garrett history |website=DW Performance |location=US |accessdate=2010-08-02 |archive-url=https://web.archive.org/web/20091021050646/http://www.dwperformance.com/about-us.aspx |archive-date=2009-10-21}}</ref><ref>{{cite web|url=http://honeywellbooster.com/turbotalk/honeywell-heritage-a-hallmark-throughout-turbo-history/ |title=Honeywell Heritage: A Hallmark Throughout Turbo History |work=Booster Online |publisher=Honeywell |location=US |accessdate=2010-02-14}}</ref><ref>{{cite web |url=http://autouniversum.wordpress.com/2009/04/27/a-look-back-genesis-of-the-automotive-turbocharger/ |first=James |last=Kraus |title=A Look Back: Genesis of the Automotive Turbocharger |website=Auto Universum |date=2009-04-27 |accessdate=2010-08-02}}</ref> Power was significantly increased over the naturally aspirated engine, but reliability was poor and the production of this engine ceased in 1963.<ref name="streetlegaltv1"/><ref>{{cite web |url=http://auto.howstuffworks.com/1962-1963-oldsmobile-f85-jetfire6.htm |title=Decline of the 1962–1963 Oldsmobile F-85 Jetfire |website=How Stuff Works |date=2007-10-04 |access-date=2012-04-13}}</ref> One month after the release of the turbocharged Oldsmobile, a turbocharged version of the [[Chevrolet Turbo-Air 6 engine]] was introduced in the Chevrolet Corvair Monza Spyder.<ref name="streetlegaltv1">{{cite web|url=http://www.streetlegaltv.com/news/video-oldsmobile-jetfire-americas-first-production-turbo-v8/ |title=Video: Oldsmobile Jetfire, America's First Production Turbo V8 |website=Street Muscle |location=US |date=2011-01-28 |accessdate=2012-04-13}}</ref> This engine did not use a wastegate.<ref name="knepperbook">{{cite book |last=Knepper |first=Mike |date=1 March 1982 |title=Corvair Affair |publisher=Motorbooks International |isbn=978-0879380663 }}</ref>{{rp|62, 63, 64}} Production of the turbocharged Corvair engine ran until 1966.
* '''1965:''' Beginning this year a turbocharged version of the "Comanche" 154 cubic inch inline slant four cylinder engine was an option in the [[International Harvester Scout]]. This engine developed {{convert|111|hp|kW|0|abbr=on|order=flip}} at 4,000 rpm and {{convert|166|lbft|Nm|0|abbr=on|order=flip}} at 3,200 rpm and was available until 1967.<ref name="hemmings">{{cite web|url= https://www.hemmings.com/magazine/hcc/2014/05/Scout-s-Honor---1965-International-Scout/3737641.html |title=Scout's Honor - 1965 International Scout |website=Hemmings |date=2014-05-01 |access-date=2016-10-26}}</ref><ref name="trucktrend">{{cite web |url=http://www.trucktrend.com/cool-trucks/0801dp-international-scout/ |title=International Scout - Scout Evolution |website=Truck Trend |date=2008-01-01 |access-date=2016-10-26}}</ref>
* '''1965:''' Beginning this year a turbocharged version of the "Comanche" 154 cubic inch, inline slant four cylinder engine was an option in the [[International Scout]]. This engine developed {{convert|111|hp|kW|0|abbr=on|order=flip}} at 4,000 rpm and {{convert|166|lbft|Nm|0|abbr=on|order=flip}} at 3,200 rpm and was available until 1967.<ref name="hemmings">{{cite web|url= https://www.hemmings.com/magazine/hcc/2014/05/Scout-s-Honor---1965-International-Scout/3737641.html |title=Scout's Honor - 1965 International Scout |website=Hemmings |date=2014-05-01 |access-date=2016-10-26}}</ref><ref name="trucktrend">{{cite web |url=http://www.trucktrend.com/cool-trucks/0801dp-international-scout/ |title=International Scout - Scout Evolution |website=Truck Trend |date=2008-01-01 |access-date=2016-10-26}}</ref>
*'''1973:''' The next mass-produced turbocharged car was the [[BMW_02_Series#2002|BMW 2002 Turbo]], introduced at the 1973 Frankfurt motor show and featuring a {{convert|2.0|L|cuin|abbr=on}} four-cylinder engine.<ref name="ultimatecarpage2002">{{cite web| url=http://www.ultimatecarpage.com/car/2098/BMW-2002-Turbo.html |title=1973 - 1974 BMW 2002 Turbo - Images, Specifications and Information |website= ultimatecarpage.com |date= |accessdate=2012-04-13}}</ref> Due to excessive turbo lag, safety concerns and the 1973/1974 oil crisis, the 2002 Turbo was discontinued in 1974.<ref name="ultimatecarpage2002"/>
*'''1973:''' The next mass-produced turbocharged car was the [[BMW_02_Series#2002|BMW 2002 Turbo]], introduced at the 1973 Frankfurt motor show and featuring a {{convert|2.0|L|cuin|abbr=on}} four-cylinder engine.<ref name="ultimatecarpage2002">{{cite web| url=http://www.ultimatecarpage.com/car/2098/BMW-2002-Turbo.html |title=1973 - 1974 BMW 2002 Turbo - Images, Specifications and Information |website= ultimatecarpage.com |date= |accessdate=2012-04-13}}</ref> Due to excessive turbo lag, safety concerns and the 1973/1974 oil crisis, the 2002 Turbo was discontinued in 1974.<ref name="ultimatecarpage2002"/>
*'''1974:''' At the height of the oil crisis, the [[Porsche 930|Porsche 911 Turbo]] was introduced, becoming the fastest mass-produced car at the time.<ref>{{cite web|url=http://www.motor-prime.com/content/history-four-decades-911-turbo |title=History - Four decades of the 911 Turbo |website=Motor Prime |date=2011-10-23 |access-date=2012-04-13}}</ref><ref>{{cite web |url=http://www.autoevolution.com/cars/porsche-911-turbo-930-1974.html |title=PORSCHE 911 Turbo (930) (1974 - 1977) |website=autoevolution |access-date=2012-04-13}}</ref> The Porsche 911 has been available with a turbocharged engine for the majority of the years since 1974.<ref>{{cite web |url=http://www.excellence-mag.com/resources/buyers-guide/186787951 |title=Buyers Guide : 911 Turbo |website= Excellence |location=Canada |accessdate=2012-04-13}}</ref>
*'''1974:''' At the height of the oil crisis, the [[Porsche 930|Porsche 911 Turbo]] was introduced, becoming the fastest mass-produced car at the time.<ref>{{cite web|url=http://www.motor-prime.com/content/history-four-decades-911-turbo |title=History - Four decades of the 911 Turbo |website=Motor Prime |date=2011-10-23 |access-date=2012-04-13}}</ref><ref>{{cite web |url=http://www.autoevolution.com/cars/porsche-911-turbo-930-1974.html |title=PORSCHE 911 Turbo (930) (1974 - 1977) |website=autoevolution |access-date=2012-04-13}}</ref> The Porsche 911 has been available with a turbocharged engine for the majority of the years since 1974.<ref>{{cite web |url=http://www.excellence-mag.com/resources/buyers-guide/186787951 |title=Buyers Guide : 911 Turbo |website= Excellence |location=Canada |accessdate=2012-04-13}}</ref>
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*'''1978-present:''' Many manufacturers have produced turbocharged cars. Since the early-2010s, many European cars have switched to smaller, turbocharged engines. This trend has since spread to manufacturers from other regions.
*'''1978-present:''' Many manufacturers have produced turbocharged cars. Since the early-2010s, many European cars have switched to smaller, turbocharged engines. This trend has since spread to manufacturers from other regions.


==Multiple turbochargers==
== Multiple turbochargers ==
{{Main|Twin-turbo}}
{{Main|Twin-turbo}}


=== Parallel configuration ===
=== Parallel configuration ===
A common arrangement for twin-turbo engines, especially on [[V engine]]s is a [[Twin-turbo#Parallel twin-turbo|parallel]] configuration.<ref>{{cite web |title=What are the main differences between a Single and Twin Turbo setup |url=https://www.turbobygarrett.com/turbobygarrett/differences_between_turbos |publisher=Garrett Motion |location=US |access-date=2018-06-11}}</ref> This arrangement uses two identically sized turbos, each fed by a separate set of exhaust streams from the engine. Having two smaller turbos produce the same aggregate amount of boost as a larger single turbo allows them to reach their optimal rpm, more quickly, thus improving boost delivery.
A common arrangement for twin-turbo engines, especially on [[V engine]]s is a [[Twin-turbo#Parallel twin-turbo|parallel]] configuration.<ref>{{cite web |title=What are the main differences between a Single and Twin Turbo setup |url=https://www.turbobygarrett.com/turbobygarrett/differences_between_turbos |publisher=Garrett Motion |location=US |access-date=2018-06-11}}</ref> This arrangement uses two identically sized turbos, each fed by a separate set of exhaust streams from the engine. Having two smaller turbos produce the same aggregate amount of boost as a larger single turbo allows them to reach their optimal rpm more quickly, thus improving boost delivery.


=== Sequential configuration ===
=== Sequential configuration ===
Line 29: Line 29:


=== Other configurations ===
=== Other configurations ===
Automobile manufacturers rarely use more than two turbochargers. Some exceptions are the triple-turbocharger system used by the 2012-2017 [[BMW N57|BMW N57S]] straight-six diesel engine, the quad-turbocharger system used by the V12 engine in the 1991-1995 [[Bugatti EB110]] and the quad-turbocharger system used by the W16 engine in the 2005-2015 [[Bugatti Veyron]] and 2016-present [[Bugatti Chiron]].
Automobile manufacturers rarely use more than two turbochargers. Some exceptions are the triple-turbocharger system used by the 2012–2017 [[BMW N57|BMW N57S]] straight-six diesel engine, the quad-turbocharger system used by the V12 engine in the 1991–1995 [[Bugatti EB110]] and the quad-turbocharger system used by the W16 engine in the 2005–2015 [[Bugatti Veyron]] and 2016-present [[Bugatti Chiron]].


==Motorsport==
== Motorsport ==
[[File:1970 Toyota 7 turbo-charged rear.jpg|thumb|1970 [[Toyota 7]], twin turbocharged racing car]]
[[File:1970 Toyota 7 turbo-charged rear.jpg|thumb|1970 [[Toyota 7]], twin-turbocharged racing car]]


=== Indy car racing ===
=== Indy car racing ===
Line 53: Line 53:
Since the [[2019 Deutsche Tourenwagen Masters|2019 season]], turbocharging has returned to DTM, with turbocharged {{Convert|2.0|L|cuin|0|abbr=on}} inline-four engines (shared with the Japanese [[Super GT]] "Class One" regulations) replacing the previous naturally aspirated {{Convert|4.0|L|cuin|0|lk=on|abbr=on}} V8 engines.
Since the [[2019 Deutsche Tourenwagen Masters|2019 season]], turbocharging has returned to DTM, with turbocharged {{Convert|2.0|L|cuin|0|abbr=on}} inline-four engines (shared with the Japanese [[Super GT]] "Class One" regulations) replacing the previous naturally aspirated {{Convert|4.0|L|cuin|0|lk=on|abbr=on}} V8 engines.


===Rally===
=== Rally ===
During the [[Group B]] era of 1982-1986, turbocharged engines producing up to {{convert|600|hp|kW|abbr=on|order=flip}} dominated the [[World Rally Championship]].<ref>{{cite web |title=The Early Days of Turbo - Part Two |url=http://autospeed.com/cms/title_The-Early-Days-of-Turbo-Part-Two/A_110780/article.html |website=AutoSpeed |location=Australia |access-date=2019-10-18}}</ref>
During the [[Group B]] era of 1982–1986, turbocharged engines producing up to {{convert|600|hp|kW|abbr=on|order=flip}} dominated the [[World Rally Championship]].<ref>{{cite web |title=The Early Days of Turbo - Part Two |url=http://autospeed.com/cms/title_The-Early-Days-of-Turbo-Part-Two/A_110780/article.html |website=AutoSpeed |location=Australia |access-date=2019-10-18}}</ref>


Turbocharging returned for the 2012 season and has been used since. WRC rally cars use a turbocharged {{convert|1.6|L|cuin|0|abbr=on}} inline-four engine with a 34&nbsp;mm restrictor in the air intake system.<ref>{{cite web |title=FIA World Rally Championship |url=http://www.wrc.com/about-wrc/the-cars/ |website=wrc.com |location=Germany |access-date=2019-10-18}}</ref>
Turbocharging returned for the 2012 season and has been used since. WRC rally cars use a turbocharged {{convert|1.6|L|cuin|0|abbr=on}} inline-four engine with a 34&nbsp;mm restrictor in the air intake system.<ref>{{cite web |title=FIA World Rally Championship |url=http://www.wrc.com/about-wrc/the-cars/ |website=wrc.com |location=Germany |access-date=2019-10-18}}</ref>


==Motorcycles==
== Motorcycles ==
{{main|Forced induction in motorcycles}}
{{Main|Forced induction in motorcycles}}


Turbocharging is rarely used by manufacturers of motorcycles, with the following being the only examples of factory turbocharged motorcycles:<ref>{{citation|title=1978 Kawasaki Z1R-TC: Turbo Power|first=Robert |last=Smith|date=January 2013 |journal=[[Motorcycle Classics]]|url=http://www.motorcycleclassics.com/classic-japanese-motorcycles/kawasaki-z1r-tc-zm0z13jfzbea.aspx#axzz2bExjC7mu}}</ref>{{sfn|Motorrad|2014}}{{sfn|Walker|2006|loc=&nbsp;"other manufacturers built prototypes and small batches of turbocharged machines, only the Japanese giants attempted to exploit the turbo for series-production bikes"}}{{sfn|Bennett|1999|p=57a|ps=&nbsp;"Neither system [superchargers nor turbochargers] has found acceptance in the mass-produced motorcycle market, although a significant effort to build turbos was made by the Japanese motorcycle makers in the early 1980s. Factory turbos were shipped by Honda (the 82-horsepower CX500T V-twin), Yamaha (the 85-horsepower XJ650T transverse-four), Suzuki (the 85-horsepower XN85, using a GS650 transverse-four) and Kawasaki (the 110-horsepower ZX750 transverse-four)."}}
Turbocharging is rarely used by manufacturers of motorcycles, with the following being the only examples of factory turbocharged motorcycles:<ref>{{citation|title=1978 Kawasaki Z1R-TC: Turbo Power|first=Robert |last=Smith|date=January 2013 |journal=[[Motorcycle Classics]]|url=http://www.motorcycleclassics.com/classic-japanese-motorcycles/kawasaki-z1r-tc-zm0z13jfzbea.aspx#axzz2bExjC7mu}}</ref><ref>{{cite magazine|title=Aufladung beim Motorrad: Kommt der Turbo wieder?|trans-title=Motorcycle induction: Is the turbo coming back?|magazine=[[Motorrad (magazine)|Motorrad]]|publisher=Motor Presse Stuttgart|date=January 30, 2014 |language=German|url=http://www.motorradonline.de/news/turbo-beim-motorrad/523098|ref={{harvid|''Motorrad''|2014}}}}</ref><ref>{{cite book |title=Motorcycle: Evolution, Design, Passion|chapter=Turbocharging|first=Mick|last=Walker|authorlink=Mick Walker (motorcycling)|publisher=JHU Press|year=2006|isbn=9780801885303|chapter-url=https://books.google.com/books?id=AHSlknpjrgAC&pg=PA166|page=166 |quote=other manufacturers built prototypes and small batches of turbocharged machines, only the Japanese giants attempted to exploit the turbo for series-production bikes}}</ref><ref>{{cite book |title= The Complete Motorcycle Book: A Consumer's Guide |chapter= Mechanics and mechanisms |first= Jim |last= Bennett |edition=2nd |year=1999 |isbn= 0-8160-3854-6 |url-access= registration |url= https://archive.org/details/completemotorcyc00benn_0 |page=57a |quote=Neither system [superchargers nor turbochargers] has found acceptance in the mass-produced motorcycle market, although a significant effort to build turbos was made by the Japanese motorcycle makers in the early 1980s. Factory turbos were shipped by Honda (the 82-horsepower CX500T V-twin), Yamaha (the 85-horsepower XJ650T transverse-four), Suzuki (the 85-horsepower XN85, using a GS650 transverse-four) and Kawasaki (the 110-horsepower ZX750 transverse-four).}}</ref>
* 1978 [[Kawasaki_Kz1000#Z1R-TC|Kawasaki Z1R-TC]]<ref name="smith Z1R-TC">{{cite journal |last=Smith |first=Robert |title=1978 Kawasaki Z1R-TC: Turbo Power |journal=Motorcycle Classics |date=January–February 2013 |volume=8 |issue=3 |url=http://www.motorcycleclassics.com/classic-japanese-motorcycles/kawasaki-z1r-tc-zm0z13jfzbea.aspx |accessdate=2013-02-07}}</ref>
* 1978 [[Kawasaki_Kz1000#Z1R-TC|Kawasaki Z1R-TC]]<ref name="smith Z1R-TC">{{cite journal |last=Smith |first=Robert |title=1978 Kawasaki Z1R-TC: Turbo Power |journal=Motorcycle Classics |date=January–February 2013 |volume=8 |issue=3 |url=http://www.motorcycleclassics.com/classic-japanese-motorcycles/kawasaki-z1r-tc-zm0z13jfzbea.aspx |accessdate=2013-02-07}}</ref>
* 1982 [[Honda_CX_series#CX500_Turbo| Honda CX 500 Turbo]]
* 1982 [[Honda_CX_series#CX500_Turbo| Honda CX 500 Turbo]]
* 1982-1983 [[Yamaha XJ650 Maxim|Yamaha XJ 650 Seca Turbo]]
* 1982–1983 [[Yamaha XJ650 Maxim|Yamaha XJ 650 Seca Turbo]]
* 1983 [[Honda_CX_series#CX650T|Honda CX 650 Turbo]]
* 1983 [[Honda_CX_series#CX650T|Honda CX 650 Turbo]]
* 1983 [[Suzuki XN85]] Turbo
* 1983 [[Suzuki XN85]] Turbo
* 1983-1985 [[Kawasaki GPZ750 Turbo]]
* 1983–1985 [[Kawasaki GPZ750 Turbo]]


==References==
== References ==
{{reflist|30em}}
{{reflist|30em}}


Latest revision as of 00:33, 1 August 2024

Turbochargers have been used on various petrol engines since 1962, in order to obtain greater power or torque output for a given engine displacement.

Most turbocharged petrol engines use a single turbocharger; however, twin-turbo configurations are also often used.

In motor racing, turbochargers were used in various forms of motorsport in the 1970s and 1980s. Since the mid-2010s, turbocharging has returned to several motor racing categories, such as Formula One and the World Rally Championship.

Several motorcycles in the late 1970s and early 1980s were produced with turbocharged engines.

History

[edit]
1962 Turbo Jetfire engine
  • 1962: The first turbocharged production car engine was the Oldsmobile Turbo Jetfire used in the Oldsmobile Jetfire.[1] A Garrett AiResearch turbocharger with integral wastegate was used.[2][3][4] Power was significantly increased over the naturally aspirated engine, but reliability was poor and the production of this engine ceased in 1963.[5][6] One month after the release of the turbocharged Oldsmobile, a turbocharged version of the Chevrolet Turbo-Air 6 engine was introduced in the Chevrolet Corvair Monza Spyder.[5] This engine did not use a wastegate.[7]: 62, 63, 64  Production of the turbocharged Corvair engine ran until 1966.
  • 1965: Beginning this year a turbocharged version of the "Comanche" 154 cubic inch, inline slant four cylinder engine was an option in the International Scout. This engine developed 83 kW (111 hp) at 4,000 rpm and 225 N⋅m (166 lb⋅ft) at 3,200 rpm and was available until 1967.[8][9]
  • 1973: The next mass-produced turbocharged car was the BMW 2002 Turbo, introduced at the 1973 Frankfurt motor show and featuring a 2.0 L (120 cu in) four-cylinder engine.[10] Due to excessive turbo lag, safety concerns and the 1973/1974 oil crisis, the 2002 Turbo was discontinued in 1974.[10]
  • 1974: At the height of the oil crisis, the Porsche 911 Turbo was introduced, becoming the fastest mass-produced car at the time.[11][12] The Porsche 911 has been available with a turbocharged engine for the majority of the years since 1974.[13]
  • 1977: The Saab 99 model begins Saab's long run of turbocharged passenger cars.
  • 1978: The "LD5" version of the Buick V6 engine marks the return of turbocharging to cars produced in the United States.[14]
  • 1978-present: Many manufacturers have produced turbocharged cars. Since the early-2010s, many European cars have switched to smaller, turbocharged engines. This trend has since spread to manufacturers from other regions.

Multiple turbochargers

[edit]
Main article: Twin-turbo

Parallel configuration

[edit]

A common arrangement for twin-turbo engines, especially on V engines is a parallel configuration.[15] This arrangement uses two identically sized turbos, each fed by a separate set of exhaust streams from the engine. Having two smaller turbos produce the same aggregate amount of boost as a larger single turbo allows them to reach their optimal rpm more quickly, thus improving boost delivery.

Sequential configuration

[edit]

Another twin-turbo arrangement commonly used on car engines is a sequential configuration, where one turbo is active across the entire rev range of the engine and the other activates at higher rpm.[16] Below this rpm, both exhaust and air inlet of the secondary turbo are closed. Being individually smaller they have reduced lag[16] and having the second turbo operating at a higher rpm range allows it to get to full rotational speed before it is required. Such combinations are referred to as a sequential twin-turbo. Sequential twin-turbo systems are usually more complicated than parallel twin-turbo systems because they require additional wastegate pipes and valves to control the direction of the exhaust gases.

Other configurations

[edit]

Automobile manufacturers rarely use more than two turbochargers. Some exceptions are the triple-turbocharger system used by the 2012–2017 BMW N57S straight-six diesel engine, the quad-turbocharger system used by the V12 engine in the 1991–1995 Bugatti EB110 and the quad-turbocharger system used by the W16 engine in the 2005–2015 Bugatti Veyron and 2016-present Bugatti Chiron.

Motorsport

[edit]
1970 Toyota 7, twin-turbocharged racing car

Indy car racing

[edit]

The first turbocharged engine in motorsport was the Kurtis Kraft-Cummins Diesel driven by Fred Agabashian. He competed in the 1952 Indianapolis 500, qualifying on pole.[17] However the turbo failed on lap 71 out of 200.[citation needed]

Another one of the first uses of turbocharging in motorsport was a turbocharged version of the Offenhauser engine, which first competed at the 1966 Indianapolis 500 and used a Garrett AiResearch turbocharger. This engine won the 1968 Indianapolis 500[18][19] and power outputs of over 750 kW (1,000 hp) were achieved in 1973.

Sports car racing

[edit]

In 1972, the Porsche 917/10K became the first turbocharged car to win the Can-Am series. The 917/10K was powered by a turbocharged flat-twelve engine producing up to 820 kW (1,100 hp).

Formula 1

[edit]
Ferrari 126C4/M2 (1984)
1984 Ferrari 126C4/M2, a 1.5 litre turbocharged V6 engine used in Formula One
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In Formula One, the original "Turbo Era" lasted from the 1977 season until the 1988 season. During this era, Renault, Honda, BMW, and Ferrari produced engines with a capacity of 1,500 cc (92 cu in), and were capable of producing from 380 to 1,120 kW (510 to 1,500 hp) over this period. The first turbocharged Formula One car was the Renault RS01,[20] however early engines often suffered from reliability problems. By the mid-1980s, turbocharged engines dominated Formula One, until they were banned after the 1988 season.

Turbochargers returned to Formula One for the 2014 season, with turbocharged 1.6 L (98 cu in) V6 engines replacing the naturally aspirated 2.4 L (146 cu in) V8 engines that were previously used. The turbocharging combined with more powerful energy recovery systems kept the power level similar to the previous V8 engines, despite the smaller capacity and the lower rev limits.[21]

Touring car racing

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In the German Deutsche Tourenwagen Meisterschaft (DTM) racing series, the "Turbo Era" of 1985 until 1989 saw Volvo, Alfa Romeo and Ford becoming the first manufacturers to use turbocharged engines. In 1985, the Volvo 240 Turbo won the European Touring Car Championship, before turbochargers were banned at the start of 1990 season due to cost reasons.

Since the 2019 season, turbocharging has returned to DTM, with turbocharged 2.0 L (122 cu in) inline-four engines (shared with the Japanese Super GT "Class One" regulations) replacing the previous naturally aspirated 4.0 L (244 cu in) V8 engines.

Rally

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During the Group B era of 1982–1986, turbocharged engines producing up to 450 kW (600 hp) dominated the World Rally Championship.[22]

Turbocharging returned for the 2012 season and has been used since. WRC rally cars use a turbocharged 1.6 L (98 cu in) inline-four engine with a 34 mm restrictor in the air intake system.[23]

Motorcycles

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Main article: Forced induction in motorcycles

Turbocharging is rarely used by manufacturers of motorcycles, with the following being the only examples of factory turbocharged motorcycles:[24][25][26][27]

References

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  1. ^ "The history of turbocharging". Germany: Turbolader. Retrieved 2012-04-13.
  2. ^ "Garrett history". DW Performance. US. Archived from the original on 2009-10-21. Retrieved 2010-08-02.
  3. ^ "Honeywell Heritage: A Hallmark Throughout Turbo History". Booster Online. US: Honeywell. Retrieved 2010-02-14.
  4. ^ Kraus, James (2009-04-27). "A Look Back: Genesis of the Automotive Turbocharger". Auto Universum. Retrieved 2010-08-02.
  5. ^ a b "Video: Oldsmobile Jetfire, America's First Production Turbo V8". Street Muscle. US. 2011-01-28. Retrieved 2012-04-13.
  6. ^ "Decline of the 1962–1963 Oldsmobile F-85 Jetfire". How Stuff Works. 2007-10-04. Retrieved 2012-04-13.
  7. ^ Knepper, Mike (1 March 1982). Corvair Affair. Motorbooks International. ISBN 978-0879380663.
  8. ^ "Scout's Honor - 1965 International Scout". Hemmings. 2014-05-01. Retrieved 2016-10-26.
  9. ^ "International Scout - Scout Evolution". Truck Trend. 2008-01-01. Retrieved 2016-10-26.
  10. ^ a b "1973 - 1974 BMW 2002 Turbo - Images, Specifications and Information". ultimatecarpage.com. Retrieved 2012-04-13.
  11. ^ "History - Four decades of the 911 Turbo". Motor Prime. 2011-10-23. Retrieved 2012-04-13.
  12. ^ "PORSCHE 911 Turbo (930) (1974 - 1977)". autoevolution. Retrieved 2012-04-13.
  13. ^ "Buyers Guide : 911 Turbo". Excellence. Canada. Retrieved 2012-04-13.
  14. ^ "Buick History". g-body.org. US. Retrieved 2012-04-13.
  15. ^ "What are the main differences between a Single and Twin Turbo setup". US: Garrett Motion. Retrieved 2018-06-11.
  16. ^ a b "The Benefits and Drawbacks of Twin Turbos". Cars Direct. US. 2011-06-11. Retrieved 2013-03-03.
  17. ^ "Turbocharger History". Russia: Cummins Russia and CIS. Retrieved 2020-06-27.
  18. ^ "Turbos in motor sport". Classic Performance Car. July 2010. Archived from the original on 2010-07-15. Retrieved 2013-03-03.{{cite web}}: CS1 maint: unfit URL (link)
  19. ^ "Offy Racing Engines". Unique Cars & Parts. US. Retrieved 2019-10-18.
  20. ^ "Renault 30th F1 anniversary/ Talks about the RS01". Formula 1. Retrieved 2008-11-04.
  21. ^ "FIA confirms 1.6 turbo engines for 2014". Formula 1. 2011-06-29. Archived from the original on 2011-07-02.
  22. ^ "The Early Days of Turbo - Part Two". AutoSpeed. Australia. Retrieved 2019-10-18.
  23. ^ "FIA World Rally Championship". wrc.com. Germany. Retrieved 2019-10-18.
  24. ^ Smith, Robert (January 2013), "1978 Kawasaki Z1R-TC: Turbo Power", Motorcycle Classics
  25. ^ "Aufladung beim Motorrad: Kommt der Turbo wieder?" [Motorcycle induction: Is the turbo coming back?]. Motorrad (in German). Motor Presse Stuttgart. January 30, 2014.
  26. ^ Walker, Mick (2006). "Turbocharging". Motorcycle: Evolution, Design, Passion. JHU Press. p. 166. ISBN 9780801885303. other manufacturers built prototypes and small batches of turbocharged machines, only the Japanese giants attempted to exploit the turbo for series-production bikes
  27. ^ Bennett, Jim (1999). "Mechanics and mechanisms". The Complete Motorcycle Book: A Consumer's Guide (2nd ed.). p. 57a. ISBN 0-8160-3854-6. Neither system [superchargers nor turbochargers] has found acceptance in the mass-produced motorcycle market, although a significant effort to build turbos was made by the Japanese motorcycle makers in the early 1980s. Factory turbos were shipped by Honda (the 82-horsepower CX500T V-twin), Yamaha (the 85-horsepower XJ650T transverse-four), Suzuki (the 85-horsepower XN85, using a GS650 transverse-four) and Kawasaki (the 110-horsepower ZX750 transverse-four).
  28. ^ Smith, Robert (January–February 2013). "1978 Kawasaki Z1R-TC: Turbo Power". Motorcycle Classics. 8 (3). Retrieved 2013-02-07.
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