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"How did you calculate those figures without a complete pressure map of the cars in question? You know as well as anyone here that drag force on a three-dimensional body cannot be calculated from a few centerline pressures, and Julian has never claimed such."
this was the question asked by Vman455, I don't think that has been answered. We know how you calculated the pressures at different speeds, but if you only have measurements along a centreline, how do you somehow get total drag?
From a 2D plot, somehow you have created a 3D plot, the insight is not a body of revolution.
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