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Old 11-30-2011, 12:25 PM   #4 (permalink)
ChazInMT
Aero Deshi
 
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Join Date: Jan 2010
Location: Vero Beach, FL
Posts: 1,065

MagMetalCivic - '04 Honda Civic Sedan EX
Last 3: 34.25 mpg (US)
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Quote:
Originally Posted by NeilBlanchard View Post
but the Kamm back looks way too small and the angles look a bit too steep. The whole top (and sides) should taper to help the air close the pocket more smoothly.
I have been noticing this too, particularly on the Honda Fit where there is an "Aero Kicker" type of taper at the end. I wonder if it isn't a feature that does what everyone Thinks air tabs and vortex generators are supposed to be doing, which is to fill the wake area more quickly.

It seems that the extra drag created by going "Sub Template" is made up for by decreasing the size and turbulence in the wake. I have noticed this same feature on a modern Sprinter based RV as well.




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