goof and correction
In the Prius example I transposed the Reynolds number of a 35-foot moving van into the solution for the Prius.
Patrick caught the numerical mistake and the whole thing didn't register with me until last night.
I went back and edited the original thread where you will find a significantly lower value.
My 'math' is good enough now that I think I may be ready for Arthur Anderson,ENRON,or Moody's Investment Services.
I'll see if I can clean up the skin-friction thread.
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