As the mass production of Tesla Model 3 continues to advance, more and more technical design details are gradually emerging in the public eye. Some of them have been ignored by everyone before.
For example, we found that its standard 18-inch aerodynamic wheel is actually very interesting - it is probably more energy-efficient than most people think.
Most people know that the airflow through the wheels and wheel wells during driving is critical to the overall aerodynamic performance of the vehicle. For the front nose of the F1 car, its function is not what many people think of providing downforce, but instead directs the airflow to the sides of the tire. For electric vehicles, energy efficiency and battery life have always been pain points. For this reason, with the rise of electric vehicles over the past few years, full-cover or semi-covered aerodynamic wheel designs have begun to revive to some extent.
The only problem is that American users think they are ugly than ordinary wheels.
According to previous news from Lei Feng. When the original Model S was released, Tesla introduced the aerodynamic wheel "Aerodynamic 19" on it, and claimed that the Model S's high-speed endurance increased by 5%.
"Aerodynamic 19" is designed to reduce windage. It looks like a metal plate and its function is to direct airflow to the sides of the vehicle. But consumers don't buy it for this look. Tesla soon had to give up "Aerodynamic 19".
Now, with the 18-inch wheel aerodynamics package on the Model 3, Tesla's aerodynamic wheel design is once again back in sight.
But it's just a detachable kit on the wheel, which is the biggest difference between it and the "Aerodynamic 19".
This is a visual comparison of the kit and the kit:
* Photo by Logan Jastremski
Users can choose to take the kit in the usual time, show the wheel hub, and then install it when running long distances. When going out, a few percent of the life-lifting upgrades may run dozens of hundreds of kilometers.
How much can the Model 3's battery life increase?
Lei Feng.com got a message. A member of the Tesla American Owners Club met a Model 3 owner a few days ago. It is said to be the vice president of Tesla responsible for engineering research and development:
“He said he chose the 18-inch tires of the aerodynamic package because he wanted more battery life. The increase was about 10%.â€
This ratio is much higher than industry expectations, but it is not impossible.
The engineer's choice is definitely a niche. According to Lei Feng.com, the vast majority of Model 3 that can be seen on the road today are equipped with 19-inch sports tires. It costs $1,500 to choose it instead of the 18-inch standard.
Big tires are generally considered to have better visual effects, so 4S points often offer optional options. But the 18-inch standard tires, which include an aerodynamic package and a significant increase in battery life, also have the opportunity to become mainstream.
Aesthetics is a constantly changing thing. Will the design of aerodynamic tires be completely revived?
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