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Originally Posted by nucleus
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I am thoroughly impressed - another example of why aerodynamic interactions are phenomena (that is, you can't use intuition to predict!). My prejudices were wrong, and I'm quite intrigued
I haven't watched the episode (yet) - but how did they scale up the dimples? By relative size to a golf ball? Or relative velocity? Or just a guess?
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Amazing. If there is any fault in their methodology it is that they dumped all the dimples in the back seat, thereby raising the nose of the car relative to the undimpled pose. But that ain't much, and I would be surprised if it would account for an 11% difference in FE.
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Even if they pitched up a little, that would have been working against them... and 11% difference sounds, potentially, outside the scope of reasonable error
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Yes, impressed enough to un-silence myself
I graduated school this past spring, have been really busy, visited 30 cities on the all you can jet pass, and am now doing contact work/working super hard for a start-up in San Francisco to meet fast approaching deadlines....