Quote:
Originally Posted by aerohead
There's no dispute about your measurements.
Others are recording hundreds of pressure readings over the entire surface of the vehicle to ascertain the average, mean, and force vector resultants. Or simply recording the drag and lift from the strain-gauge load cells in the tunnel. And everything is normalized to SAE Standard atmosphere.
If the Insight can be Cd 0.09, and it's recording Cd 0.25, what percentage of that Cd differential would be attributed by the resultants down the centerline, versus everywhere else? That's delta- 0.16. We would need to parse it out. A daunting proposition.
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Did you ignore the point deliberately, or you missed it?
My point is that attached flow can cause drag. You state that only separated flow can cause drag. You are clearly wrong, as even a moment's thought about what I have written above will show.