Wallace also admitted that the enormous gyroscopic effect of wheels rotating so quickly became a challenge at ultra-high speeds. Each tyre was X-rayed before it was selected for use to ensure that none of the radial bands was touching each other while this doesn’t matter at even the Chiron’s normal governed speed, it could have created heat. Autocar believes that the mechanical changes will be incorporated into a celebratory limited-edition model.Įxceeding 300mph also relied on specially constructed Michelin Pilot Cup 2 tyres designed to handle the enormous forces of such speeds at the record velocity each was turning 4100 times a minute, or 68 times-per-second.
The Chiron’s “near production” spec included an additional safety cell, aerodynamic changes and a taller seventh gear, as well as a 1578bhp version of Bugatti’s quad-turbocharged 8-litre W16 engine taken from up from the 1479bhp of the ‘standard’ car. At that location, British sportscar veteran and official Bugatti tester Andy Wallace drove 304.773mph in September 2019.
#Production car speed record crack#
We always suspected that Volkswagen would have a crack at beating its own record with its Bugatti Chiron before too long, and with its Ehra-Lessein test track in Germany, with its 5.4-mile straight (twice as long as most airport runways), it had the place to do it in.
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