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The Working of Porsche Active Aerodynamics

The Working of Porsche Active Aerodynamics

What started out as a dream for Ferdinand Porsche has become one of the greatest automotive empires in the world. In the beginning, was driven to create racers to compete on the track. Over time, he also began to manufacture roadsters, designed for everyday use. Instead of abandoning one of his projects, Porsche decided to merge his ideas. Combining these two worlds allowed Porsche to develop an active aerodynamics system that would change the world of racing and sports cars forever. Even now, Porsche continually defies the limits of racing with its seemingly effortless use of active aerodynamics.

What Are Active Aerodynamics?

Most sports car manufacturers utilize some form of aerodynamics when designing their vehicles. A sports fin and specific weight distribution on the axle will allow for a car to accelerate easier while being driven. These changes allow for a reduction in air resistance. While certain body style changes can make a car more aerodynamic, Porsche has taken the principle to a whole new level.

Active aerodynamics is coined to describe the changes a vehicle makes as it accelerates. It’s the measure taken to bridge the gap between efficiency and speed. These changes alter the processes both within the engine and on the exterior of the vehicle, reducing the wind resistance and allowing acceleration to occur more rapidly. Without active aerodynamics, the speed of the car would be greatly reduced. It’s a concept that involves moving parts and precise science.

 The Aerodynamic Body Style

Each Porsche is carefully designed to be as aerodynamic as possible. The 911, for example, has a front fender that is naturally withdrawn by 10 degrees. This slight adjustment creates a fender rise that is a third more than previous models and much more than some of its competition. With a withdrawn fender, the 911 can easily accelerate up ramps and inclines without the risk of scraping or fender damage.

The fin found on many Porsche models is more than just a design feature. It actually helps to create down force, allowing the vehicle to grip the road more firmly. The more secure the car is on the road, the easier it is to handle and brake.

Dynamic Settings

Active aerodynamics differ depending on the speed of the vehicle. If a Porsche 911 is traveling 25 miles per hour through a residential neighborhood, it has little use for active aerodynamics. When it begins to accelerate and the actual speed of 75 miles per hour is realized, changes begin to occur to make the vehicle more aerodynamic.

First, the front spoiler’s outer sections are lowered to create less air resistance between the ground and the vehicle, and the rear spoiler raises to create more down force. The less air resistance and the more down force that is present, the less fuel that is consumed. To decrease air resistance even more, Porsche has created an innovative cooling system. Accounting for only 4% of air resistance, Porsche has designed its cars with a cooling inlet on the side of the vehicle. The air passes the heat exchanger just ahead of the outlet, which allows for optimum cooling without the bulk and obstacle of a large cooling system.

911 2 

 Performance Setting

For those with a need for speed, Porsche has installed a performance button. Once engaged, the active aerodynamic stance will take place. Both the front and rear wings shift to provide maximum downward pressure, and the airflow cooling system presses the car more firmly into the ground. The pressure of the under carriage sucks the nose of the car even closer to the road, allowing for improved handling.

Porsche has also equipped their vehicles with a highly effective brake cooling system. A diffuser and brake air spoiler help to direct the airflow to exactly where it’s needed. In the rear, a conduit system distributes the air over the brake discs and calipers. By utilizing the down force and airflow in this way, it allows for easier braking through the entire experience.

Active aerodynamics is an essential part of the makeup of every Porsche model. Because Porsche has combined the aspects of two different worlds, aerodynamics make it possible for every driver to enjoy the speed of a racecar with the smoothness of a luxury vehicle. It’s a careful and precise science. Luckily, Porsche has mastered the process.

911 3 

 

Date Posted: November 9, 2018

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