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Autódromo José Carlos Pace, also known by its former name Interlagos, is a circuit located in São Paulo, Brazil. It was renamed after Carlos Pace, the Brazilian driver who died in a 1977 plane crash. It is the current home of the Brazilian Grand Prix.

HistoryEdit

The land on which the circuit is located was originally bought in 1926 by property developers who wanted to build housing. Following the 1929 stock market crash, the housing project was suspended, and it was eventually decided to build a racing circuit instead. Construction started in 1938 and the track was inaugurated in May 1940.

The traditional name of the circuit (literally, "between the lakes") comes from the fact that it was built in a region between two large artificial lakes, Guarapiranga and Billings, which were built in the early 20th century to supply the city with water and electric power.

Formula One started racing there in 1972, the first year being the required "dry run" non-championship race. It was won by Argentinean Carlos Reutemann. The first World Championship Brazilian Grand Prix was held at Interlagos in 1973, and was won by defending Formula One World Champion and local hero Emerson Fittipaldi. Fittipaldi won the race again the following year in bad weather, and Brazilian driver José Carlos Pace won his only race at Interlagos in 1975.

Due to safety concerns with the 4.9 mile circuit, including the bumpy track surface and the inadequate barriers, deep ditches, and embankments, the last Formula One race held on the original Interlagos circuit was in 1980. The race was nearly cancelled after protests by the drivers. The safety concerns were largely directed towards the track surface, which BBC commentator Murray Walker described as "appallingly bumpy". Most of the ground-effect cars of 1980 were designed in such a way that bumpy surfaces were barely tolerable for the drivers. Also, the slums that overlooked the track were at odds for Formula One's glamorous image. These factors meant that Formula One would move back to the Jacarepaguá circuit in Rio de Janeiro, hometown of established star Nelson Piquet and where the Brazilian Grand Prix was held in 1978. After Formula One moved away, the only major race being held at Interlagos was the Mil Milhas Brasil, and the last major race on the original circuit was the 1989 Mil Milhas Brasil. Formula One returned the following year after the circuit had been shortened and modified at a cost of $15 million. The track layout (aside from the pit exit being extended along the Curva do Sol over the years) has remained the same since 1990. After the ascendancy of another São Paulo local, Ayrton Senna, negotiations were made to return to Interlagos that year, and it has stayed there ever since. The facilities include a kart circuit named after Senna.

The circuit is often witness to dramatic results when it hosts the Brazilian Grand Prix. Felipe Massa almost won the 2008 Driver's World Championship when he won the 2008 Brazilian Grand Prix, but after he finished, Lewis Hamilton overtook Timo Glock and was crowned World Champion. Despite Rubens Barrichello's pole position in 2009, Mark Webber won the race and Jenson Button won the championship for Brawn after starting 14th. Nico Hülkenberg gave Williams got their first pole since 2006 at the 2010 Brazilian Grand Prix. But that race was won by Sebastian Vettel, and with Mark Webber coming second, and Red Bull secured the constructors title in Brazil. However, the driver's title was not confirmed until the final race of the season.

CharacteristicsEdit

The circuit is one of a minority of non-oval racing circuits to go in an anti-clockwise direction. In 1979 upgrading work was done and the pit lane was extended past the first left-hand turn (Curva 1), making the corner more narrow, and the pit lane ended right in the middle of Curva 1 and 2. The present design of the track dates back from 1990, when the original circuit was shortened from 7,829 m to only 4,397 m (so that it could fit the new FIA restrictions on track length). As a consequence of the reduction, the track lost three long straight sections and nine fast curves (five were lost forever, four were made slower and are still there). The original track was full of fast corners and it allowed cars to keep maximum speed for up to twenty seconds and was considered very dangerous (although no one ever died there whilst racing Formula One), and in 1990, the old layout was majorly revised. The new track still had a very long top-speed section that contained bumps, high-speed turns and little run-off area (though the track is very wide at this point).

Another reason why many drivers consider Interlagos interesting is that it was not built on flat terrain, but follows the ups and downs of hilly ground, which makes it harder to drive and demands more power from the car's engines. The hilly course is also a good feature for road cycling races usually held in the circuit.

The circuit is known for its many inclines and formerly bumpy surface, which could take its toll on F1 cars because they have a very low ride height and little suspension travel. The races are therefore very tough on the car, and also physically tough on the drivers, especially since the circuit is anti-clockwise, where the centrifugal forces in the many hard left turns push the drivers' necks to the right, instead of left as in the majority of circuits on the F1 calendar.

Improvement in 2007Edit

For the 2007 Brazilian Grand Prix, the largest-scale repairs in the last 35 years were carried out at the circuit, to fundamentally solve problems with the track surface. The existing asphalt was entirely replaced, resulting in a much smoother track surface. At the same time, the pit lane entrance was enhanced to improve safety and to add a new fixed grand stand. To facilitate the work, the circuit was closed and no events were held in the five months immediately preceding the race.

On October 17, 2007, Companhia Paulista de Trens Metropolitanos (CPTM) began to operate the new station of the Line C, Autódromo, near the circuit. The Line C had been extended to improve the access between the center of São Paulo and southern region of the Greater São Paulo, improving circuit accessibility.

Planned 2012 redevelopmentEdit

Shortly before the 2011 Brazilian Grand Prix, FIA race director Charlie Whiting detailed several planned upgrades of the circuit, including a new pit entrance and expanded run-off at the final corner, as a response to several fatal accidents at the circuit in 2011. In June 2012, further details of the proposed plans emerged, calling for the construction of a brand new pit building and the relocation of the start line from its current position between Arquibancadas and the Senna 'S' to Reta Oposta.

Track layoutEdit

OriginalEdit

Interlagos 1973

1970-1989 layout

CurrentEdit

Race start is in the "Tribunas" section and features a pretty long straight section, then comes "S do Senna" ("Senna's S") [Turns 1 & 2], a series of turns (left, right, then left again) that are considered extremely difficult because each of them has a different angle, a different radius, a different length, a different inclination (inward or outward) and a different shape (besides the terrain goes down and then up again).

"Senna's S" connects with "Curva do Sol" ("Sun Turn") [3], a round-shaped large-radius left-turn that leads to "Reta Oposta" ("Opposite Straight", a reference to the disused longer back straight of the pre-1990 circuit, to which it runs parallel), the track's longest (but not the fastest) straight. Reta Oposta is succeeded by a pair of downhill left turns that are called "Descida do Lago" ("Lake Descent") [4 & 5] into a short straight sector that goes down again.

This is followed by a slow and difficult section, with small, kart-like turns and elevation changes. These turns are "Ferradura" ("Horseshoe") [6] downhill and right into "Laranjinha" ("Little Orange") [7], another right (the slowest point of the circuit); then the right-hand Turn 8 leads into "Pinheirinho" ("Small Pine Tree") [9], left on a plain field; "Bico de Pato" ("Duck Bill") [10] a right-hand turn complex (first, an easy right kink into the tighter-radius near-hairpin give the distinctive turn its shape and name); and then "Mergulho" ("Dive") [11], a constant-radius left-hand turn that slings the driver straight into a harder left at "Junção" ("Junction") [12].

Turn 13, a left up-hill kink, marks the start of the long, thrilling and dangerous top-speed section. Rising up through "Subida dos Boxes" ("Up to the Pits") [14], the driver encounters a long left turn that sometimes seems straight and sometimes bends in more clearly. As the name implies, Subida dos Boxes is uphill (quite steep, indeed) and demands a lot of power from the cars. At the end of it, Arquibancadas ("Bleachers") [15] forms the end of what was once called "Cotovelo" ("Elbow"). At this point the track seems inclined inwards (or somewhat crooked) as the cars approach top speed back through the "Tribunas" straight. The series of left turns from the exit of Junção all the way to Turn 1 into Senna's S is typically taken at full throttle and treated as a long straight. (This section is known as one of the longest full-throttle stretches on the Formula 1 calendar, and thus demanding of the engine's reliability at sustained high RPM and torque. Other notable stretches of this nature are the "Rettifilo Tribune" straight at Autodromo Nazionale Monza and the Kemmel Straight at Circuit de Spa-Francorchamps.)

Pit laneEdit

Interlagos has one of the longest pit-lanes ever used in Formula One, starting just before the start-finish straight and rejoining the main course after Curva do Sol. Entering the pits was originally not a trivial task, as the high speed and the left turning may force the car rightwards, out of the pits. The pit lane entrance received some changes to become safer for the 2007 Formula One Brazilian Grand Prix.

Event historyEdit

The following is a list of Formula One World Championship races held at Autódromo José Carlos Pace:

Year Event Winning Driver Winning Constructor Report
1972 Brazilian
Grand Prix
Argentina Carlos Reutemann United Kingdom Brabham-Ford Report
1973 Brazilian
Grand Prix
Brazil Emerson Fittipaldi United Kingdom Lotus-Ford Report
1974 Brazil Emerson Fittipaldi United Kingdom McLaren-Ford Report
1975 Brazil Carlos Pace United Kingdom Brabham-Ford Report
1976 Austria Niki Lauda Italy Ferrari Report
1977 Argentina Carlos Reutemann Italy Ferrari Report
1979 France Jacques Laffite France Ligier-Ford Report
1980 France René Arnoux France Renault Report
1990 France Alain Prost Italy Ferrari Report
1991 Brazil Ayrton Senna United Kingdom McLaren-Honda Report
1992 United Kingdom Nigel Mansell United Kingdom Williams-Renault Report
1993 Brazil Ayrton Senna United Kingdom McLaren-Ford Report
1994 Germany Michael Schumacher United Kingdom Benetton-Ford Report
1995 Germany Michael Schumacher United Kingdom Benetton-Renault Report
1996 United Kingdom Damon Hill United Kingdom Williams-Renault Report
1997 Canada Jacques Villeneuve United Kingdom Williams-Renault Report
1998 Finland Mika Häkkinen United Kingdom McLaren-Mercedes Report
1999 Finland Mika Häkkinen United Kingdom McLaren-Mercedes Report
2000 Germany Michael Schumacher Italy Ferrari Report
2001 United Kingdom David Coulthard United Kingdom McLaren-Mercedes Report
2002 Germany Michael Schumacher Italy Ferrari Report
2003 Italy Giancarlo Fisichella Ireland Jordan-Ford Report
2004 Colombia Juan Pablo Montoya United Kingdom Williams-BMW Report
2005 Colombia Juan Pablo Montoya United Kingdom McLaren-Mercedes Report
2006 Brazil Felipe Massa Italy Ferrari Report
2007 Finland Kimi Räikkönen Italy Ferrari Report
2008 Brazil Felipe Massa Italy Ferrari Report
2009 Australia Mark Webber Austria Red Bull-Renault Report
2010 Germany Sebastian Vettel Austria Red Bull-Renault Report
2011 Australia Mark Webber Austria Red Bull-Renault Report
2012 United Kingdom Jenson Button United Kingdom McLaren-Mercedes Report
2013 Germany Sebastian Vettel Austria Red Bull-Renault Report
2014 Germany Nico Rosberg Germany Mercedes Report
2015 Germany Nico Rosberg Germany Mercedes Report
2016 United Kingdom Lewis Hamilton Germany Mercedes Report
2017 Germany Sebastian Vettel Italy Ferrari Report

External linksEdit

NotesEdit

V T E Circuits
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Bold indicates a circuit on the 2017 calendar; italics indicates a circuit scheduled on the 2018 calendar.
The Red Bull Ring was previously known as the "A1-Ring" and before that the "Österreichring".
V T E Brazil Brazilian Grand Prix
Circuits Interlagos (1973 - 1977, 1979 - 1980, 1990 - Present), Jacarepaguá (1978, 1981 - 1989)
Interlagos1990
Races 1973 • 1974 • 1975 • 1976 • 1977 • 1978 • 1979 • 1980 • 1981 • 1982 • 1983 • 1984 • 1985 • 1986 • 1987 • 1988 • 1989 • 1990 • 1991 • 1992 • 1993 • 1994 • 1995 • 1996 • 1997 • 1998 • 1999 • 2000 • 2001 • 2002 • 2003 • 2004 • 2005 • 2006 • 2007 • 2008 • 2009 • 2010 • 2011 • 2012 • 2013 • 2014 • 2015 • 2016 • 2017 • 2018


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