Anyone who still believes the template shows where airflow goes simply has their eyes shut.
Tesla Model S not obeying the template:
Jaguar XE not obeying the template:
(Colder colour = high pressure):
Honda Insight not obeying the template:
Honda Legend not obeying the template:
And of course the idea that a rear spoiler causes flow reattachment is completely wrong for any car of about the last 30 years. The rear flow is already attached...
That's why this rear spoiler, that reaches no higher than the standard car profile, measurably increases pressures on the hatch:
Quote:
Originally Posted by aerohead
I've gone through 'template' comparisons of telephoto images and technical drawings, published over the decades in ROAD & TRACK.
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Rather than looking at pictures in magazines, you would learn a very great deal more by testing some actual cars.