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Old 01-25-2022, 07:32 PM   #5 (permalink)
Vman455
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Quote:
Originally Posted by aerohead View Post
3) Whether Luc Donkerwolke knows it or not, Cybertruck, from its roof apex, to its upper trailing edge, fits one of Koenig-Fachsenfeld's patented / Dr. Kamm, 1930s FKFS K-form contours exactly, with the exception of the captured separation bubble which travels along with Cybertruck.
4) This contour is found in Bild 112, page 48, of AERODYNAMIK DES KRAFTFAHRZEUGS, by Freiherr Reinhard Koenig-Fachsenfeld, self-published, 1951.
Here is the Cybertruck* profile:



And here's Bild 112:



They aren't even close to the same contour.
The curve between two points can take literally any shape--as we can see here with one curve and one line--and "matching" two points doesn't tell us anything about the aerodynamics of this truck.

*First prototype; video leaked last month purports to show a second closer to production-ready.
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