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I thought at the base of the windshield was high pressure. That's why the old carburated racecars had their intakes sealed to the hood on the front/sides, and were open at the rear.There's a famous low-pressure area at the base of the windscreen, and it's been a feature of race-car design for fifty years or more. What happens if you gap the back of the hood? Someone must have worked this out by now - I'm just curious.
Porsche does a nice job of aero on their cars.
Barely. The photo above is a 911 GT3 I believe. I've seen a GT3 up on a rack at my local Porsche dealer and it's impressive.
Sounds familiar.The lip around the vents of the Tiger hood create a pressure difference that actively draws air out (not sure if that's the correct description), whereas the Trackspec louvers lack that.
And IIRC, that type of louver works a bit better if it has a wicker bill at its leading edge. Not unlike the raised front/perimeter area on the Tiger Racing design.
View attachment 2544
Fabricated these out of screen and 100mph tape. Can tweak to manage airflow...easily.
Got to integrate my engineering background with my arts'n'crafts side .