Quote:
Originally Posted by aerohead
An article about the Cd 0.31 FIAT 500e in Motor Trend, mentioned that, compared to the FIAT 500 Pop, the 500e had 6.3% lower drag.
In order to 'solve' for the 500 Pop drag coefficient ( not provided ), required running out to six -decimal places to achieve a 6.3% fit.
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Only if the 6.3 per cent weren't a rounded number, as obviously it was.
If you think that any wind tunnel is working to 6 decimal places, you know very little about wind tunnels (or maybe decimal places?).