Two menacing avatars of the Bugatti are meeting at a test track for the first time. Bugatti has tested its two new hyper sports cars—Chiron Pur Sport1 and Chiron Super Sport 300+–at the Nardo 12.6 km long and 4 km in diameter circular track in Apulia, Italy. Considered the world’s fastest vehicle circuit and ideal for top speeds, the outer edge of the Nardo tilts towards the centre by more than 12 degrees. Although test drivers need not steer up to 240 km/hr, the circuit theoretically enables speeds over 400 km/hr. Drivers have the sensation of driving in a straight lane as the centrifugal force is compensated due to its low parabolic profile.
A 6.2-km handling course is embedded in the infield of the high-speed circular track for adapting the vehicles’ dynamics and suspension. Across an area covering over 700 hectares, 70 kms of track are available for extensive testing. “ The Nardò test track with the high-speed circular track and the handling track is ideal for us. Here we can extensively enhance the Chiron Pur Sport and Chiron Super Sport 300+ at different speeds – and at high temperatures,” says Stefan Ellrott, Head of Development at Bugatti. “Our hyper sports cars must not only operate flawlessly at moderate speeds and temperatures, but also at speeds beyond 300 km/h.”
Bugatti has left no stone unturned to ensure the flawless performance of its machines. Eight Bugatti vehicles are being developed from sunrise to sunset by staff members from several departments over a period of four weeks. To make sure of their endurance, four Chiron Super Sport 300+ and four Chiron Pur Sport pre-series vehicles are test driving a total of 20,000 kms. Engineers modify minor details of the data they record on their computers on every lap and compare it to the data obtained on the next lap. For tuning the engine control unit alone, nine gigabytes of data were generated which was then evaluated after the tests. “The time frame is tight, which is why we are using every minute to be able to carry out our driving tests around the track,” says Christian Mohr, Bugatti engine test engineer.
The development phase of the Chiron Super Sport 300+ is also in full swing in addition to the Pur Sport. The Chiron Super Sport 300+ is the new longitudinal dynamics force within the Chiron 2 family. The record-breaking vehicle reached speeds over 300 miles per hour, at 304.773 mph (490.484 km/hr) in summer of 2019 and was the first series production car. A very fast and limited but special edition of just 30 vehicles is being developed by the engineers now. Bugatti limits its top speed at 440 km/ph electronically.
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