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Old 03-29-2008, 04:26 PM   #14 (permalink)
AndrewJ
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Location: Columbia, MO
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Quote:
Originally Posted by .Cd View Post
That would mean that Andrews' .Cd would actually be even lower than he says ( which would make him happy I would think. )
You'd think correctly

While I'd be thrilled to know that a stock 5thGen hatch (non VX) has a Cd of .31, I'm not gonna put any money on it.

Here are the numbers I've seen:
0.33
0.32
0.31

We all know that the VX has slightly better aero with the passenger mirror delete and the rear undertray thingie, so that's where (I belive) the 0.31 is coming from.

So that leaves .32 and .33 for the non VX 5th gen's.

Personally, I'd tend to be a bit more conservative, so I'd go with .33 for the rest of the 5th gen hatches.

Either way, it's all just semantics. Figuring out your EXACT Cd isn't going to make your car any more (or less) aerodynamic.
It just gives you a starting point from which to improve
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