Quote:
Originally Posted by 3-Wheeler
I wouldn't mind seeing a picture or video of the tuft test in that situation.
It's hard for me to picture why the tufts would lie flat on a surface that has detached air running across it due to the extreme angle of decline.
Jim.
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An issue with VWs, many old sports cars (including the E-type Jag, which looked streamlined but had a Cd over .4) are the fenders. It's as if they are two cars, one following the other: you bash the air out of the way, and just when it becomes reattached, you bash it out of the way again.
So there is a lot of complexity to the VW story -- it would be interesting to see the flow visualizations. I have a hard time imagining flow attached all the way to the rear bumper.