[DeTomaso] Wind Tunnel Testing

[JDeRyke at aol.com]

In a message dated 4/29/08 6:12:58 PM, Pantera007 at sbcglobal.net writes:

> I'm still looking for a source for the claim that the Cg is .34.
> (Old Road & Track issue ?) Anyone know the source?
> 

The only known factory wind tunnel test on a Pantera was done in 1971, using 
a GT-40, a pre-L Pantera and a Boss Mustang, and exhaustively reported by 
Style Auto magazine, an Italian car book published in english but now defunct. 
They reported the same drag factor and Cg as your data, but the wind in the 
tunnel only went up to 60 mph so all the upper speeds are mathematical 
extrapolation. I did an article on the Style Auto results in the Feb 2001 newletter, with 
subsequent inputs from Dr Andy Wortmann of TPOC, who does this stuff for a 
living for the DOT. Note that if you actually plug in the tunnel speed data into 
a Cg calculation, you get progressively worse coefficients the faster you go. 
The photos in Style Auto show the Pantera perfectly level in the wind tunnel, 
too. FWIW- J DeRyke (leaving in the morning for 'Vegas)


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