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Another revival...
I just want to point out, I build aircraft for a living, and our planes employ VG's on the upper leading edge of the wings.
These are installed in pairs, like a V shape pointed at the wind.
And it is critical, the Angle that they are placed, from one another and to the direction of flow, the spacing between each pair, and the spacing between each other....
The install pics I seen of the small plastic VG's look like they wouldn't accomplish much of anything...
I'll try to upload a pic of ours on the wing....
And I think I might buy some from work and experiment on my cars...
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