Improved front and rear windshield sweep
"The way the windshield and the rear window are laid down and swept into the vehicle layout ensure air stays tight to surface and doesn't lift off the back of vehicle," Parks says. The Improved sweep ensures that the Fusion moves through the air with minimal disturbance of the airstream.
Anyone who has driven behind a truck has been exposed to the "wake," or air turbulence zone created when air gathers. This is an inefficiency reduced by better design. In the case of the 2013 Fusion, the enhanced windshield sweep also appealed to the stylists, who wanted a more swept-back look.
Improved midbody elements
The 2013 Fusion has smaller side-view mirrors, attached by a stalk or pole to the lower portion of the door panel, rather than bulkier mirrors mounted higher on the panel. The change minimizes drag and reduces wind noise. The car also has smaller quarter windows near the mirror, which enable a wider view.
Squared "rockers," or body sections beneath the doors, direct airflow around the rear tires and ensure optimal air movement along the side of the vehicle.Additionally, the 2013 Fusion's wheel well openings are smaller to better control airflow from the front of the vehicle. Because they are smaller, less room is available for air to enter. "Typically, the air can get in there and sweep around the tires and then be spit out the side," Parks says. "We didn't want that." As in most cars, spoilers, or small flaps placed in front of the tires, guide air around the tires. Improved rear design elements
Rear quarter panels have been redesigned and rear corners have been sharpened "so that the wake is as stable and small as possible, reducing turbulence," Parks says. "We looked at the way the air wants to come back together at the rear of the vehicle," he says. "After it has been pushed aside, it wants to come back together as smoothly as possible, and we have tapered the car to ensure that it can do this with as little disturbance as possible." Also, a rear underbody shield, behind the muffler, allows for smoother reassembly of the airflow stream behind the vehicle. Finally, the new Fusion has a raised edge at the rear of trunk, which ensures that the air remains close to the vehicle for as long as possible, minimizing the size of the wake. >To contact the writer of this article, click here: Ted Reed >To follow the writer on Twitter, go to http://twitter.com/tedreednc. >To contact the writer of this article, click here: Ted Reed
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