I think that I figured out those three diagrams originally posted, and why car #58 is as it is.
1. Diagram one; no air entering though other sources, as in most street cars.
2. Diagram two; works best when brake cooling air, engine cooling air (front engined cars), and or radiators vent into wheel well (ie water cooled Porsche 911 & Boxster).
3. Diagram three; works when no external air is being vented through wheel well that would otherwise mess with or shift internal wheel well pressures.
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Quote:
Originally Posted by aerohead
From the image, the greatest supervelocity ( lowest static pressure ) would not occur until the flow reached where the slots begin. So their placement is 'logical,' if the intention is to scavenge as much air volume as possible.
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Yes I agree, thank you for confirmation.