Re: [T3] Gas mileage experiments

[John Jaranson <jaransonT3@comcast.net>]

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On Aug 29, 2005, at 4:32 PM, Dave Hall wrote:

> > I think we determined after the Invasion that the Square's I was 
> > running
> > with were getting better mileage, probably due to better 
> > areodynamics, rather
> > than speed.
>
> I would expect the Fastback to have better aerodynamics than the 
> Square simply
> from the shape, but then the Squareback is the only wagon I know that 
> doesn't
> kick up dirt onto its back window, so i wouldn't be surprised to find 
> it has
> unusual aerodynamics.

By my estimates, based on some old data I dug up, the three main body 
styles stack up like this:

Fasty     CD 0.32   CL 0.36
Notch    CD 0.34   CL 0.38
Square  CD 0.37   CL 0.41

So the Fasty is the best aerodymanically....lowest CD and lowest CL.

You can learn more by going here:

http://mywebpages.comcast.net/jaransonT3/jaransonT3/AeroPage.html

Later,
John Jaranson
'66 Square (Sophy)
'70 Fasty (Jane 2 - Type 3 Lead Sled wannabe)
'71 Fasty (Jane -parts car due to rust)
various parts.....don't we all.
http://mywebpages.comcast.net/jaransonT3/jaransonT3/
http://mywebpages.comcast.net/jaransonT3/2006Invasion/
http://mywebpages.comcast.net/jaransonT3/notavwclub/

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