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Old 05-03-2020, 01:37 PM   #3 (permalink)
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"This pseudo-tail [used on the Tatra 87, VW Beetle, Volvo PV544, etc.] wasn't that fast [i.e. low drag]! On the contrary, it was characterized by a particularly high air resistance. And that met with incredulous amazement.
Are you sure? Compare the Beetle and the Tatra. The Tatra has elephant ear-sized scoops on the rear quarters to capture engine-cooling air. The Beetle has surface vents below the rear window.

Somebody knew about those vortexii.
Conclussion: a realization that smacks you upside the head

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