2021 12 Hours Of Sebring
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2021 12 Hours Of Sebring
The 2021 12 Hours of Sebring (formally known as the 69th Mobil 1 Twelve Hours of Sebring Presented by Advance Auto Parts) was an endurance sports car race held at Sebring International Raceway near Sebring, Florida from 17 to 20 March 2021. It was the second round of both the 2021 WeatherTech SportsCar Championship and the Michelin Endurance Cup. Mazda Motorsports entered as the defending overall winners of the 12-hour event. Background After being postponed to November the previous year due to the COVID-19 pandemic, the race returned to its traditional March date for 2021. Originally, the 1000 Miles of Sebring, the FIA World Endurance Championship event run in conjunction with the 12 Hours in 2019, was slated to return, but was later cancelled due to international travel restrictions still imposed by the pandemic. On March 10, the full entry list for the race was revealed, featuring 37 cars. The field consisted of 7 cars in the DPi category, 5 in the LMP2 category, 7 in the L ...
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Sebring International Raceway
Sebring International Raceway is a road course auto racing facility in the southeastern United States, located near Sebring, Florida. Sebring Raceway is one of the oldest continuously operating race tracks in the U.S., its first race being run in 1950. Sebring is one of the classic race tracks in North American sports car racing, and plays host to the 12 Hours of Sebring. The raceway occupies a portion of Sebring Regional Airport (an active airport for private and commercial traffic that was originally built as Hendricks Army Airfield, which was a World War II training base for the United States Army Air Forces). History Sebring Raceway occupies the site of Hendricks Army Airfield (a training base for B-17 pilots in operation from 1941 to 1946). After the war, Russian-American aeronautical engineer Alec Ulmann was seeking sites for converting military aircraft to civilian use when he discovered potential in Hendricks' runways and service roads to stage a sports car endurance ...
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Tristan Vautier
Tristan Vautier (born 22 August 1989) is a French professional racing driver. Racing career Formula Renault Born in Saint-Martin-d'Hères, Isère, Vautier began his career in the French Formula Renault Campus series in 2006, where he finished runner-up. He moved up to the main Championnat de France Formula Renault 2.0 series in 2007, finishing fourth, also competing in some events in the Eurocup Formula Renault 2.0, scoring a 2nd and 3rd in Zolder. In 2008 the French series was replaced by the West European Cup, in which Vautier finished sixth. Formula Palmer Audi Vautier moved to the Formula Palmer Audi series in 2009, where he finished fourth with six victories. FIA Formula Two Championship Vautier made his FIA Formula Two Championship debut at Circuit de Catalunya, in place of Edoardo Piscopo. Vautier excelled in the pre-race tests and in the first race, where he finished third behind Andy Soucek and Mikhail Aleshin. He also finished in the points in the second race, f ...
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Dane Cameron
Dane Cameron (born October 18, 1988) is an American racing driver from Glen Ellen, California. He won the IMSA WeatherTech SportsCar Championship overall in 2016 and 2019, and also in the GTD class in 2014. Racing career After karting, Cameron began his auto racing career in 2005 in the Jim Russell Racing School and Formula Russell where he won the championship.Dane Cameron – Career Detail
''Driver Database'', Retrieved 2011-08-10
In 2006 he competed in the and finished runner-up to J. R. Hildebrand. That fall Cameron won a Team USA Sch ...
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Curb Agajanian Performance Group
The Curb Agajanian Performance Group is an American motorsports team, currently competing as a co-entrant in IndyCar and IMSA. It is owned by record executive Mike Curb and racing personality Cary Agajanian; son of the late J. C. Agajanian, a race promoter and race car owner. It has fielded an IndyCar entry or co-entry in various races since 2001. Curb also was involved with NASCAR in both the Xfinity Series and Sprint Cup Series, owning Curb Racing from 1984 to 2011. Curb had several business partners in the NASCAR operation over the years, including Agajanian from 1998 to 2006. CAPG has won two Indianapolis 500 races as a co-owner, in 2011 with Dan Wheldon, and in 2016 with Alexander Rossi. History For the 2001 season, the team partnered with Beck Motorsports and returned to full-time competition with veteran driver Billy Boat. Boat finished 2nd at Nashville Superspeedway and finished 4th in points. Boat went on to form Agajanian/Boat Racing with Cary Agajanian in 2002 and ...
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Meyer Shank Racing
Meyer Shank Racing (formerly Michael Shank Racing) is an American auto racing organization that competes in the IndyCar Series and IMSA SportsCar Championship. History Atlantic Championship Michael Shank as an owner of Michael Shank Racing, he was a car owner for Sam Hornish Jr. when he won the 1999 Formula Atlantic series Rookie of the Year title. Shank has been twice named Formula Atlantic Team Owner of the Year. Grand-Am In 2004, Michael Shank Racing entered the Rolex Sports Car Series Daytona Prototype class with drivers Oswaldo Negri Jr. and Burt Frisselle, finishing 12th in the driver's classification. In 2006, his car, driven by Justin Wilson, A. J. Allmendinger, Oswaldo Negri and Mark Patterson, finished in 2nd position overall and the Daytona Prototype class in the Rolex 24 Hours of Daytona and won in 2006 at Miller Motorsports Park. The team finished 8th in points in both 2006 and 2007, with John Pew becoming Negri's co-driver. In 2008 the team finished 10th, ...
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Inline-four Engine
A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The vast majority of automotive four-cylinder engines use a straight-four layout (with the exceptions of the flat-four engines produced by Subaru and Porsche) and the layout is also very common in motorcycles and other machinery. Therefore the term "four-cylinder engine" is usually synonymous with straight-four engines. When a straight-four engine is installed at an inclined angle (instead of with the cylinders oriented vertically), it is sometimes called a slant-four. Between 2005 and 2008, the proportion of new vehicles sold in the United States with four-cylinder engines rose from 30% to 47%. By the 2020 model year, the share for light-duty vehicles had risen to 59%. Design A four-stroke straight-four engine always has a cylinder on its power stroke, unlike engines with fewer cylinders where there is no power stroke occu ...
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Turbocharger
In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to produce more power for a given displacement.
The current categorisation is that a turbocharger is powered by the kinetic energy of the exhaust gasses, whereas a supercharger is mechanically powered (usually by a belt from the engine's crankshaft). However, up until the mid-20th century, a turbocharger was called a "turbosupercharger" and was considered a type of supercharger.


History

Prior to the invention of the turbocharger,

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Mazda
, commonly referred to as simply Mazda, is a Japanese multinational automotive manufacturer headquartered in Fuchū, Hiroshima, Japan. In 2015, Mazda produced 1.5 million vehicles for global sales, the majority of which (nearly one million) were produced in the company's Japanese plants, with the remainder coming from a variety of other plants worldwide. During this time, Mazda was the 15th-largest automaker in terms of production globally. History Creation Mazda began as the Toyo Cork Kogyo Co., Ltd, as a cork-making factory founded in Hiroshima, Japan, 30 January 1920. Toyo Cork Kogyo renamed itself to Toyo Kogyo Co., Ltd. in 1927. In the late 1920s the company had to be saved from bankruptcy by Hiroshima Saving Bank and other business leaders in Hiroshima. In 1931, Toyo Kogyo moved from manufacturing machine tools to vehicles with the introduction of the Mazda-Go auto rickshaw. The name ''Mazda'' came into existence with the production of the company's fi ...
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Mazda RT24-P
The Mazda RT24-P also known as the Mazda Road to 24 – Prototype is a Daytona Prototype International built to the 2017 IMSA DPi regulations. The car is designed and built by Mazda Motorsports, in collaboration with Multimatic Motorsports, and is based on the Riley-Multimatic Mk. 30 LMP2 chassis. This car is eligible for use in the Daytona Prototype International (DPi) class of the IMSA sanctioned WeatherTech Sportscar Championship. It made its racing debut at the 2017 Rolex 24 at Daytona, with SpeedSource Race Engineering, running under the Mazda Motorsports banner. There have been plans to open the car to customer sales, although none have come to fruition so far. Development Initial development On the 16th of November 2016, Mazda unveiled the car at the 2016 Los Angeles Auto show. Aerodynamic development of the car was done in CFD, by Multimatic, with the car undergoing a number of bodywork changes, compared to the car it had been based upon, the Riley-Multimatic MkXXX. N ...
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Harry Tincknell
Harry Tincknell (born 29 October 1991 in Exeter, Devon) is a British professional racing driver currently racing in the IMSA WeatherTech SportsCar Championship for Mazda Team Joest. He won the LMP2 class on his Le Mans 24 Hour race debut in 2014 and again in LMGTE Pro in 2020, the first driver in the race's history to win in both LMP2 and LMGTE Pro. Other notable victories include the 2016 European Le Mans Series title and the overall win at the 2020 12 Hours of Sebring. Career Karting Tincknell made his karting début in 2001, finishing in the top five of both the Dunkeswell Club Championship and the South West British Championship series. After competing in Cadets in 2002, Tincknell moved up to TKM karts in 2003, winning the Winter Series at the Shenington kart circuit in Oxfordshire. He continued at that level in 2004, winning a round at Larkhall and finished in 27th place in the championship for Connaught Racing. Tincknell moved into the ICA Junior Belgian Championship ...
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Oliver Jarvis
Oliver Jarvis (born 9 January 1984) is a British professional racing driver currently racing in the IMSA WeatherTech SportsCar Championship for Mazda Team Joest. Jarvis won the 2022 24 Hours of Daytona with Meyer Shank Racing. Early life Born in Burwell, Cambridgeshire, he was educated at The King's School, Ely. Racing career Jarvis was first introduced to motorsport from an early age when his father Carl was competing in Formula Ford 1600. Keen to try it for himself, and at just six years old, Jarvis enjoyed his first motorcross competition, albeit then two wheels not four. At the age of eight, Jarvis made the transition to race karts. During his 10 years in karts, he achieved notable success in British and European events, as well as in World Karting as one of Tony Kart's Works driver. Jarvis moved from European Karting when he was 18 to the highly competitive British single seater car championships racing in the Formula Ford category for two successful seasons before ...
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Jonathan Bomarito
Jonathan Bomarito (born January 23, 1982) is an American professional racing driver from Monterey, California. After much success in karting and two years driving in Grand-Am Cup, Jonathan Bomarito moved to Formula Ford 2000 USA in 2003 and won the championship. The next year he moved to the Atlantic Championship and finished 9th in points. The following year he captured his first series win and finished 5th in the championship. 2007 saw him finishing 5th again, winning at San Jose. In 2008, he was the Atlantic Series runner-up, capturing 3 victories. He also competed in the 24 Hours of Daytona in 2005, 2008 and 2009. In 2010, Bomarito was regular driver of the Grand-Am Rolex Sports Car Series driving a Mazda RX-8's GT class. He achieved two wins (including a class win at the 24 Hours of Daytona) and five podiums, finishing fourth in the championship. Bomarito finished fifth in the standings in the GT class Drivers' championship in 2011 and 2012, with one win and four podiums in ...
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