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this post was submitted on 21 Aug 2023
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I found a 12% figure. Aerodynamics are a primary driver of range, which is a major ev selling point. A 12% drag decrease is huge, because you can carry less battery which means you can have a smaller motor, lighter frame, leading to even more range. So it would be very important if that is true.
https://www.businesswire.com/news/home/20180105005468/en/Top-3-Drivers-of-the-Global-Automotive-Retractable-Door-Handle-System-Market-Technavio
You can still have protrutionless handles without making them electronically retractable. Just have a spring-loaded metal flap that you push in with your hand
You'll still get the icing issues, where you need to be able to get in even with a thick layer of ice over the handle. But that does sound like a really good solution otherwise.
I find it hard to believe that 4 door handles (being made flush with the door), reduces drag by 12% . Are there other articles you can share?
That's just what Google came up with, sorry. I don't have time to research more right now. I do know a rear view mirror on an f350 has more drag than an entire Tesla, so aerodynamics are not always intuitive.
That's a plausible claim. If you find it hard to believe, maybe you should go back to the wind tunnel.