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Tesla will be making a big shift as well by leaving behind the skateboard design:


The Tesla Model S employed a "skateboard" design concept. As you can see from the image above, the chassis looks like a skateboard, and the battery sits within it, below the car. This frees up cabin space and creates a balanced center of gravity. Many other automakers are now using a similar concept for their electric cars.

Based on information revealed at Tesla's Battery Day and confirmed during the company's Q3 2020 earnings call, there may no longer be a Tesla skateboard design in the future. This is because Tesla is planning on putting its new 4680 battery cells inside a structural pack. Basically, the car's frame also serves as its battery pack.

2020 Tesla Shareholders Meeting and Battery Day

From Elon Musk:

“It’s not like existing cars stop having value. It’s just that if you have a structural pack, where the pack is contributing structural value to the car because of like the — sort of like the composite honeycomb effect of share transfer between upper and lower plate, then anything that doesn’t do that is going to have to have duplicate hardware."

“It’s going to weigh more. It’s going to cost more. And then the same goes for the front and rear castings. To be frank, we’re trying to make the car like you’d make a toy. If you had a toy model car, how would — and then it’s got to be real cheap and look great, how would you make that? You’ll cast it."
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