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09-13-2017, 07:06 AM #1Senior Member
- Join Date
- Feb 2012
- Den Dolder, the Netherlands
WORLD PREMIERE: Bugatti Chiron zero-400-zero - IAA 2017
At the IAA (Frankfurt Motorshow) 2017 I have filmed a rather special Bugatti Chiron.
World record for the Bugatti Chiron: the 1,500 PS super car from Alsace has accelerated from a standing start to four hundred km/h and braked back to a standstill in just 42 seconds (41.96).
his is the fastest time ever reached and officially measured for this driving manoeuvre for a production vehicle throughout the world. The run was supervised and officially certified by SGS-TÜV Saar, part of SGS, the world leader in inspection, testing, verification and certification. The Chiron completed the manoeuvre in a distance of only 3.112 kilometres. This underscores the supercar’s unique position in the extreme performance range. The world record was set by Juan Pablo Montoya, winner of the Formula 1 Monaco Grand Prix, two-time winner of the Indy 500 and three-time winner of the 24 hours of Daytona. The 0-400-0 manoeuvre is the first step on the way to a new world speed record for production vehicles which Bugatti intends to set in 2018 and a further highlight in the success story of the Chiron, which made its world debut last year. 300 of these exceptional super sports cars, which are being produced in a limited series of 500 vehicles, have already been sold. Bugatti is presenting the 0-400-0 world record Chiron at the 67th International Motor Show (IAA) which is being held in Frankfurt from 14 to 24 September 2017.
The incredible acceleration of the Chiron, its absolutely linear power curve and the enormous torque especially in the low engine speed range are the result of the two-stage turbocharging system developed by Bugatti especially for this vehicle. This is one of the outstanding technical features of the Chiron powertrain. To ensure maximum acceleration from a standing start without any “turbo lag”, the Chiron initially moves off with two turbochargers in operation. The other two units are activated from about 3,800 rpm.
The new high-performance tyres, once again developed by Bugatti together with its strategic tyre partner Michelin, now face extreme loading. At a speed of 400 km/h, centrifugal force converts one gram of rubber into 3,600 grams. A tire valve that only weighs 18.3 grams when stationary develops a hefty force of approximately 45 kilograms at that speed.
Only 32.6 seconds and just 2,621 metres later, the Chiron reaches the 400 km/h mark. With extremely fast reactions, Juan Pablo Montoya steps firmly on the brakes. Only 0.8 seconds after operation of the brakes, the rear wing, with a width of 1.50 metres, moves up to an angle of 49 degrees, forming an air brake that decelerates the Chiron extremely effectively. In the Top Speed mode at 400 km/h, the airbrake boosts the aerodynamic downforce on the rear axle by about 900 kg. That corresponds to the kerb weight of a Golf II. During full braking with a Chiron from 400 km/h, the force on vehicle and driver is about 2 g, similar to that experienced during the launch of a space shuttle.
The brakes of the Chiron, with their special carbon ceramic brake discs (diameter of 420 mm at the front, 400 mm at the rear) and brake calipers developed especially for Bugatti with eight titanium pistons on each wheel at the front and six at the rear, develop absolutely peak performance. After an incredible 9.3 seconds and 491 metres, the Chiron comes to a halt.Hidden Content
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