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| '''Race lap record''' |
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| + | | '''0:58.389''' (Tom Cinchy, Peugeot Talbot Racing, 1993, BTCC(National Circuit)<br />'''1:24.590''' (Lorenzo Turri, Team Mondeo, 1993, BTCC(International Circuit)<br />'''1:56.283''' (Roy Cop, Nissan Janspeed Racing, 1991, BTCC(Grand Prix Circuit) |
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| − | | 0:58:486 (Vik Rune, Kaliber ICS Team Toyota, 1991, BTCC(National Circuit) |
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Revision as of 09:55, 13 July 2020
Silverstone Circuit
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|---|---|
| National Circuit | |
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| International Circuit | |
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| Grand Prix Circuit | |
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| Location | Silverstone Circuit |
| National circuit course length | 2.638 km (1.639 mi) |
| Interational circuit course length | 3.619 km (2.249 mi) |
| Grand Prix circuit course length | 5.141 km (3.194 mi) |
| Major events | British Touring Car Championship |
| Race lap record | 0:58.389 (Tom Cinchy, Peugeot Talbot Racing, 1993, BTCC(National Circuit) 1:24.590 (Lorenzo Turri, Team Mondeo, 1993, BTCC(International Circuit) 1:56.283 (Roy Cop, Nissan Janspeed Racing, 1991, BTCC(Grand Prix Circuit) |
History
The Silverstone circuit is on the site of a World War II Royal Air Force bomber station, RAF Silverstone, which opened in 1943. The station was the base for No. 17 Operational Training Unit. The airfield's three runways, in classic WWII triangle format, lie within the outline of the present track.
The circuit straddles the Northamptonshire and Buckinghamshire border and is accessed from the nearby A43. The Northamptonshire towns of Towcester (5 miles) and Brackley (7 miles) and Buckinghamshire town of Buckingham (6 miles) are close by, and the nearest large towns are Northampton and Milton Keynes.
Silverstone was first used for motorsport by an 'ad hoc' group of friends who set up an impromptu race in September 1947. One of their members, Maurice Geoghegan, lived in nearby Silverstone village and was aware that the airfield was deserted. He and eleven other drivers raced over a two-mile circuit, during the course of which Geoghegan himself ran over a sheep that had wandered onto the airfield. The sheep was killed and the car written off, and in the aftermath of this event the informal race became known as the Mutton Grand Prix.
The next year the Royal Automobile Club took a lease on the airfield and set out a more formal racing circuit. Their first two races were held on the runways themselves, with long straights separated by tight hairpin corners, the track demarcated by hay bales. However, for the 1949 International Trophy meeting, it was decided to switch to the perimeter track. This arrangement was used for the 1950 and 1951 Grands Prix. In 1952 the start line was moved from the Farm Straight to the straight linking Woodcote and Copse corners, and this layout remained largely unaltered for the following 38 years. For the 1975 meeting a chicane was introduced to try to tame speeds through Woodcote Corner (although MotoGP would still use the circuit without the chicane up until 1986), and Bridge Corner was subtly rerouted in 1987.
The track underwent a major redesign between the 1990 and 1991 races, transforming the ultra-fast track (where in, its last years, fourth or fifth gear, depending on the transmission of the car, was used for every corner except the Bridge chicane which was usually taken in second gear) into a more technical track. The reshaped track's first Formula One race was won by Nigel Mansell in front of his home crowd. On his victory lap back to the pits Mansell picked up stranded rival Ayrton Senna to give him a lift on his side-pod after his McLaren had run out of fuel on the final lap of the race.
Following the deaths of Senna and fellow Grand Prix driver Roland Ratzenberger at Imola in 1994, many Grand Prix circuits were modified in order to reduce speed and increase driver safety. As a consequence of this the entry from Hangar Straight into Stowe Corner was modified in 1995 to improve the run off area. In addition, the flat-out Abbey kink was modified to a chicane in just 19 days ready for the 1994 Grand Prix. Parts of the circuit, such as the starting grid, are 17 metres (56 ft) wide, complying with the latest safety guidelines.