2006 Bugatti 16.4 Veyron
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Hardly any other technical development has influenced the life of men as much as the automobile and hardly any other design development has been as fascinating as automobile designing. In this context, the Bugatti name has a very special meaning. Right from the beginning of automobile designing, Ettore Bugatti and his son Jean signed for genial creations and made them timeless works of art.
Surely, there will always be a great responsibility towards the tradition of this name brand, even if the design of a new Bugatti vehicle has to be, quite obviously, oriented towards the future.
Apart from traditional influences, the premise for designing the Bugatti Veyron 16.4 are subject as well to developments in the technical realm.
At the outset of a project development, it is important to follow an approach allowing for a wide variety of ideas. Many exceptional historic car models stimulated the search for a large number of elements of the design of the Bugatti Veyron. Over weeks and months, hundreds of sketches, drawings and conceptual presentations were worked on. Step by step, the most promising ideas and concepts were filtered out and brought on to the next stage of realization: to the phase of three dimensional models.
At first, a relatively large number of Veyron models were created in a small scale, until here again a clear-cut decision had to be made to finally move on to a more realistic model in a 1:1 scale.
On this model, which is based on a basic construction of wood with different layers of clay permitting experiments in every conceivable direction, the final design down to the smallest detail will eventually emerge.
The completely elaborated clay model then becomes the basic tool to lead to the final design decision.
Aerodynamics
For the Veyron 16.4 high speed sports car, the aerodynamics are of great importance.
The smallest modifications of the external form, specially at the front and rear spoilers, will be felt in terms of drag and drift behavior. In a wind tunnel and using a 1:4 model - true in every detail - of the Bugatti Veyron, the free-stream velocity and drift behavior of the vehicle was examined.
Under such conditions the sports car was tested up to a speed of 400 km/h. Speed plays a decisive role at such research proceedings, because the aerodynamic forces increase exponentially with higher speeds. For instance, double the speed from 100 to 200 km/h, mean, consequently, a multiplication by a factor of four of the aerodynamic forces.
Through increased drift forces, higher wheel loads can be achieved, meaning that greater forces may be transferred through the tires. It follows that the Veyron can attack bends at higher speeds, it has an improved braking deceleration and a noticeably higher traction when accelerating out of a bend.
Research in the wind tunnel must establish that the free-stream velocity does not fail under any circumstances and the drift remains high enough at all times to assure the excellent driving performance of the Veyron 16.4.
Likewise, the optically most noticeable aerodynamic component, the tail wing, is perfected in the wind tunnel. An equally important share in the development work is taken up by designing the frontal air intake openings and the air flow below the vehicle. Whereas a flat underbody between the wheel axles is advantageous for the air flow, the front spoiler serves to cause a suction effect, the so-called 'ground effect'.
The Bugatti engineers were aiming at an optimal aerodynamic balance, which results in an almost neutral driving performance at the highest possible wheel load values. The values measured in the wind tunnel are collected and are directly fed into the channles of the ongoing engineering work. In this way, even the slightest aerodynamic adjustments and improvements may be taken into account practically minutes before starting the production process.
Transmission
If it were not a solution specifically created for the Bugatti Veyron 16.4, the new seven-gear transmission could have come from the Royal Class of motorcar sports. The transmission is sequentially switched through toggle switches on the steering wheel. There is no clutch. The double clutch system permits switching times of maximally 0.2 seconds. The engine power gets to the wheels through a continuous 4-wheel drive.
Interior
The interior of the Bugatti Veyron 16.4 is a 'whole new world' by itself in terms of exclusivity, quality of workmanship and functionality: the feeling for something very special uninterruptedly continues into the interior of the car. Sportive and luxurious elements form here a unique symbiosis, whose function interconnection instantly becomes apparent in the interaction of the individual components so genially set in harmony with each other and which on first sight conveys a maximum of superiority. The instruments of the Bugatty Veyron 16.4 with its large centrally located tachometer and the four surrounding additional instruments recall the legendary car racing past of the trademark. By the way, this particular feature clearly demonstrates, that virtues of car racing, such as doing without something superfluous, provides not only an interesting contrast to today's trend to overloading, but also conveys the impression of a harmonic perfection in the overall concept of the interior and, in this way, emanates a uniquely concentrated and uncompromising sportiveness. An optimal sound in the interior is provided by a high-end sound system built by Dieter Burmester, Berlin's Hi-Fi manufacturer par excellence. The functional switches embedded into the instrument panel, the center console and in a module on the sky are designed as precious and stylistically consistent toggle switches. Their traditional apparance underscores the sportiveness of the interior.
Source - Bugatti