I am still wondering whether you tested the VG's WITH the deck lid extension....?
What is the difference between the "value" and the average value?
Would you please consider also running the simulations at a higher speed? say 70 or 75 mph?
The novel spoiler is very interesting..... I wonder how it might do if the trailing edge were angled slightly further downwards in line with the flow at that distance behind the car, instead of being more horizontal as tested here.
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