Bugatti is moving closer to finalizing the extra-special Centodieci, the hypercar that pays tribute to the legendary EB110. Just recently, the carmaker validated the aerodynamic design and engineering efforts by subjecting a complete Centodieci prototype to wind tunnel testing. The stunning scene of the supercar cutting through the wind can be viewed in a video uploaded by Bugatti on YouTube.

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Centodieci Cutting Through Strong Winds With Purpose

The Centodieci prototype was subjected to extensive wind tunnel testing, facing an eight-meter propeller – powered by an 9,000-hp engine – that could generate an intensive airflow of up to 186 mph. By doing this, Bugatti was able to achieve a number goals in mind, including making the Centodieci as balanced as possible at all speeds from nil to more than 186 mph.

Before Bugatti commenced the wind tunnel testing, the driveshafts of the Centodieci prototype were dismantled. According to the carmaker, this was made to ensure that the external drive of the wheels will not transfer any forces into the vehicle. The Bugatti fixed the prototype with four small pins in the body. The height of the prototype was adjusted according to the testing plan.

Finding The Ideal Settings For The Centodieci

Bugatti Centodieci windtunnel engineers
Via Bugatti

During the wind tunnel testing, Centodieci developers made some slight changes so they could identify the ideal settings. For instance, the front diffuser flaps were adjusted by minute angles, while the rear wing was also modified by a few degrees. Even after they identified the ideal settings, developers continued to make adjustments to see how the Centodieci responded.

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In addition, Bugatti’s engineers checked the airflow on and around the Centodieci prototype at different speeds. To determine the benchmark figure, the wind was made to blow at 87 mph with the prototype configured at a standard setup. Various configuration and wind speeds were also tested, with engineers taking note of the data for downthrust at the front and rear axles.

Testing Validated Cooling And Cornering Goals

Bugatti Centodieci windtunnel side
Via Bugatti

The wind tunnel testing also allowed Bugatti developers to determine and validate how airflow affects the cooling setup of the Centodieci. Among the systems (all needing cooling) they checked include the 1,578-hp 8.0-liter W16 engine, gearbox oil coolers as well as the high-performance brakes.

Other tests conducted include hitting the bodywork of the Centodieci with wind (at varying speeds) at various sideways angles. This simulated the hypercar's handling during quick cornering with shifting loads. Bugatti isn't finished yet, as the next testing schedule is set on the test tracks and proving grounds to determine the Centodieci's definitive setup.

Source: Bugatti