Thread: Guesses on Cd?
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Old 12-03-2015, 06:09 PM   #19 (permalink)
aerohead
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Jetta Hybrid LSR

I found the Motor Trend article.
*mirror delete
*wiper delete
*lowered
*MOONs
*air fences on roof for safety
*narrow,and near bald GoodYear EAGLE racing tires
*MT thought Cd would remain the same @ Cd 0.28 (I'd guess around Cd 0.263 because of the mirror delete)
*MT says frontal area went from 20.7 sq-ft,to 19.6 sq-ft
*Jetta averaged 186 mph and change
*single highest 1-way pass= 187+ mph.
*MT doesn't say if 300-bhp,1.4-liter was measured at near sea level in Southern California,but I suspect that this is the case.If so,the bhp on the salt could be as low as only 86% of rated power due to Bonneville's density altitude.(Re: Rick Gold,CRC Racing Fuels,meteorological reports).
*the 27-hp electric motor (supercharger) wouldn't experience a change of course.
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