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Jeep Achieved 300 Miles of Range in Its EV Thanks to This Hidden Rear Wing



The all-electric Jeep Wagoneer S has a striking design that sets it apart from other luxury SUVs. From the side, it looks similar to two-row SUVs, especially the Grand Cherokee. However, the rear of the Wagoneer S features a unique design with a hidden rear window that has a shallow angle and a long taper. A large wing on top of the D-pillars creates the illusion of a boxy, upright SUV while also improving aerodynamics. This design choice was made to make the Wagoneer S more aerodynamically efficient, helping it achieve a drag coefficient of 0.294, on par with the first-generation Toyota Prius, making it the slipperiest Jeep ever made.

The pass-through wing on the Wagoneer S was initially intended to look cool and carry the rear-view camera. However, designers discovered that by twisting and turning the wing, they could guide the air behind the vehicle, thereby improving aerodynamics. Achieving the aerodynamic goals for the Wagoneer S was no small feat, with engineers facing challenges such as stability, weight, and vibration. Despite these challenges, the team was able to engineer the wing successfully, enabling the all-electric Jeep to achieve a battery range claim of more than 300 miles. The sloped roofline of the Wagoneer S played a crucial role in helping achieve its impressive drag coefficient, along with the innovative wing design.

Ralph Gilles, Chief Design Officer at Stellantis, explained that the typical SUV shape creates a hole in the air, leading to turbulence that drags the vehicle backward. To minimize this turbulence and improve aerodynamics, the Wagoneer S needed a teardrop or tadpole silhouette. The pass-through wing atop the D-pillars of the Wagoneer S serves this purpose, keeping the profile attractive while guiding the air behind the vehicle. The innovative design of the wing not only enhances the aesthetics of the Jeep but also significantly improves its performance and efficiency.

Alison Rahm, Vice President of Product Development at Stellantis, played a crucial role in the engineering of the wing on the Wagoneer S. She highlighted the challenges faced by the team, such as ensuring stability without adding unnecessary weight or compromising the overall design. Despite these challenges, Rahm and her team were able to make the wing work, achieving their aerodynamic goals and enabling the Wagoneer S to be the slipperiest Jeep ever made. The design of the wing, along with the sloped roofline and other aerodynamic features, played a significant role in helping the Wagoneer S achieve its impressive battery range claim of more than 300 miles.

In conclusion, the all-electric Jeep Wagoneer S features a unique and innovative design that not only improves its aerodynamic efficiency but also enhances its overall performance and aesthetics. The pass-through wing atop the D-pillars of the vehicle serves as a crucial element in achieving the impressive drag coefficient and battery range claim. Despite the challenges faced during the engineering process, the team at Stellantis was able to make the wing work, creating a visually appealing and highly efficient all-electric SUV. With its sleek design and impressive performance, the Wagoneer S sets a new standard for electric vehicles in the luxury SUV segment.

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