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Old 05-22-2019, 12:32 PM   #14 (permalink)
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Originally Posted by fastflyer View Post
Has anyone tried something like this?

Site: sigmaautomotive
I,as others,would question their placement.
Typically,a VG is positioned such that is enhances separated flow to reattach onto a trailing panel,downstream of the VG.
Since the VGs pictured are already at the trailing edge of the vehicle,I can't imagine what the expectation would be for their performance.If there was a box-cavity or something back there,it would be a different story.No testing that I know of ever created a reduced wake,'phantom' tail using any type of device such as this.
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