Turf & Terrain: SUVs & Footballs Have Something In Common
The Philadelphia Eagles and the New England Patriots will square off in Super Bowl LII on Sunday, February 4th. At first glance, it may not seem like SUVs and game day balls have much in common, but believe it or not, there is an aerodynamic science to both. In advance of the big game, GMC and Wilson Sporting Goods gave us some insight into how SUVs and footballs are both influenced by aerodynamic design.
In The Tunnel
When it comes to the 2018 GMC Terrain, engineers spend more than 300 hours in the wind tunnel to refine the vehicle’s exterior. The process is extensive and involves balancing aerodynamics, functionality, and the brand’s specific design language. For example, the Terrain’s lifted stance exhibits the automaker’s said design language, but it also means more air will flow under the vehicle. This additional, unwanted air will pressurize the chassis components, increasing aerodynamic drag and lowering efficiency. GMC’s engineers use testing and simulation to craft features that effectively guide air to the back of the vehicle. In the case of the 2018 GMC Terrain, aerodynamic modifications give the vehicle an EPA-estimated 26 combined mpg for AWD models, an increase of three mpg when compared to the previous generation.
“Reducing the aerodynamic drag of an SUV is always a challenge,? said Alicia Bidwell, GMC Aerodynamic Engineer. “The styling that you can see – and the mechanical components that you can’t ...
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