Quote:
Originally Posted by aerohead
7) A large portion of the extrapolated roofline of the Cd 0.37, Porsche Macan is 'missing,' while Mitsubishi went to the trouble of extending a similar roofline as far as the rear bumper on their Cd 0.27, Mirage 'G' model. There exists a high degree of certainty that had Porsche followed Mitsubishi's example, the Macan would exhibit far less drag.
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That's not what you said last time, is it? Just to remind you, you wrote:
"Low pressure, existing over any horizontal surface will impart lift.
Porsche's Macan would be an example. Mitsubishi's Mirage 'G' model would not.
And the separation is implicated in the Macan's Cd 0.37, vs the Mirage's Cd 0.27. Same basic roofline. One with separation, one without."
Separation over a horizontal surface. So, where is it?
Quote:
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* Had Porsche simply extended the roof of the Macan all the way to the actual rear of the vehicle ( Kamm-back), streamlines would have been more widely-spaced, of lower velocity, consequently higher static pressure, and lower lift. The Macan exhibits ' lift-due-to-separation.' Just as with Cayenne, Panamera, Cayman, Taycan, etc..
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Where is this separation occurring in the wind tunnel smoke flow? It isn't. You are again just making up stuff to suit your theories.