Sebastian Vettel driving the Red Bull X2010 Prototype on the Nürburgring GP course.

The "Red Bull X2010 S. Vettel" in Red Bull livery.

In a world where modern professional racing is restricted by regulations, the Red Bull X2010 Prototype is a machine born from a fantastic "what if" dream of Gran Turismo: "What would the fastest racing car on Earth, free of any and all regulations, look like?" And the only way to experience it is in Gran Turismo 5.

Initially the Red Bull X2010 Prototype was a single-seater canopied prototype wing car with covered front wheels. Powered by a 1500ps direct-injection V6 Twin Turbo, on paper the performance would have been spectacular, producing a top speed of 400km/h (248.6mp/h) and a maximum lateral acceleration of 6G. But once Red Bull Racing was brought on board to be a partner, the Red Bull X2010 Prototype really took off.

Adrian Newey, master aerodynamic engineer and Red Bull Racing's chief technical officer, suggested "Fan Car" technology, a long-held dream of his, be added to the design of the Red Bull X2010 Prototype.

A "fan car" is a vehicle having a fan mechanism which forces the air out from underneath the car to reduce air pressure under the car's floor. The resulting suction draws the car to the ground surface and creates a massive amount of downforce. And because it can create downforce regardless of the vehicle's current speed, it dramatically raises it's cornering speed capability even in low speed corners.

Fan cars are not new to the automotive world, and the technology has already been tested and proven. The Chaparral 2J fan car entered, first appearing in the 1970 Can-Nam series, was so fast that it was banned after just 1 season. Even in the F1, where tremendous speed is the name of the game, the BT46B fan car that was entered in 1978 by Brabham went on to dominate the race with extreme speed, only to be banned after its debut race.

Thanks to the insight of Mr. Newey, the Red Bull X2010 Prototype design was transformed. A large fan was added to the rear end of the body to implement the Fan Car technology. Plus, Newey provided additional input into the the design of the front and rear wings and rear diffuser, dramatically refining the vehicle's aerodynamics. As a result, the virtual Red Bull X2010 Prototype was able to achieve an astonishing level of performance. Its new top speed was 450km/h (279.6mp/h), with a maximum lateral acceleration reaching up to 8.75G, pushing the vehicle to the very limits of what a normal human body can withstand. As a comparison, this is more Gs than a fighter pilot feels during full afterburner, and more than astronauts experience during a shuttle liftoff.

The driver who performed the shakedown test of the virtual machine inside Gran Turismo 5 was the world famous Sebastian Vettel. In his very first run on a virtual recreation of the Suzuka Circuit, he beat the record time for the course by over 20 seconds. And in the test drive on the Nurburgring GP Course, he marked a record time of 1 minute 4 seconds, drawing out the incredible potential of the Red Bull X2010 Prototype.

The dream of creating the fastest racing car ever has been realized thanks to the collaboration between Polyphony Digital and Red Bull Racing. Experience the power of the Red Bull X2010 Prototype in the "S. Vettel X Challenge," part of Gran Turismo 5, the first driving lesson ever in Gran Turismo to be given by a top professional driver.

Red Bull X2010 Prototype Downforce Diagram

Red Bull X2010 Prototype Downforce Specifications Let's try calculating the cornering G's of the Red Bull X2010 Prototype at 300km/h from the total tire load and coefficient of friction for the tires. The total load on the Red Bull X2010 Prototype's tires at 300km/h is 1142.7kgf at the front tires, and 1432kgf at the rear tires. The coefficient of friction for the tires isμ=1.97. From these conditions, the maximum cornering force that the tires can exhibit can be determined to be 5073kgf. Dividing this by the wet weight of the Red Bull X2010 Prototype of 615kg comes to be 8.25, which is the maximum cornering G of the Red Bull X2010 Prototype. 8.25G greatly exceeds the G's felt during the launch of the Space Shuttle, and is roughly the same as that of a jet fighter plane at full afterburner. It is a figure at the very limits of what a human body can withstand. Test Calculation: Cornering G at 300km/h Total Tire Load: 2575.6kgf (Front Wheel 1142.7kgf+Rear Wheel 1432.9kgf) Coefficient of Friction of Tires: μ=1.97 (baseμ=2.16, model calculates an efficiency reduction to 91.5% under high load) Cornering force that can be exhibited by tires: 5073.9kgf Cornering G: 8.25G (= 5073.9kgf / 615kg)

Red Bull X2010 Prototype Specifications
Dimensions	Total Length: 4.75m Total Width: 2.18m Height: 0.98m Wheel Base: 2.9m Front Track Width: 1.85m Rear Track Width: 1.78m
Weight	Dry Weight: 545kg Wet Weight: 615kg
Engine	Type: V6 Twin Turbo (Direct Injection) Engine Displacement: 3000cc Maximum Output: 1106.0kw (1503.8ps) / 15000rpm *1483hp Maximum Torque: 714.1Nm (72.9kgf*m) / 12000rpm
Suspension	Full Active Ride Suspension
Downforce generated at the bottom due to the fan	Maximum Output 9800N, (1000kgf) equal to 1.63G
Downforce acting at vehicle speed squared due to the wings/Venturi Effect	At 100km/h: 1044.7N, (106.6kgf) equal to 0.17G At 200km/h: 4181.7N, (426.7kgf) equal to 0.69G At 300km/h: 9412.9N, (960.5kgf) equal to 1.56G At 400km/h: 16732.5N, (1707.4kgf) equal to 2.78G
Performance Data	0-60mph: 1.4sec 0-120mph: 2.8sec 0-200mph: 6.1sec Maximum Speed: Over 280mph (450km/h+) Maximum Longitudinal or Lateral Acceleration at 300km/h: 8.25G

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