Re: Al rotors

["Graydon D. Stuckey" <graydon@apollo.gmi.edu>]

On Tue, 13 Feb 1996, Glen Powell wrote:

> regulators and pearlescent paint repairs week after week....how 'bout some
> Quattro race results or something.....? 

OK, I ran a GMI autocross in the snow a couple weeks ago in the '86 
5KCSTQ.  I have Ohtsu tires, and although they are called an M&S tire, 
they are really just a summer tire.  They are also readyto be replaced, 
with probably 3/32 left.  (Does this sound like excuses?)
	OK, I got beat byt a small truck with Blizzaks, and a Toyota FX16 
with generic snows, but I made a few people take notice.  I never got 
beat at a GMI autocross before, but then, we never ran in the snow before 
either.  I am sure I would have done better if I had had good tires. 
("yeah, yeah, yeah, keep talkin' Stuckey")

> We're getting closer to actually being able to run the numbers. If you have
> any info of the weight of the viper and prowler rotors that would be a big help!

I could only guess.  If you are going to run numbers through some 
formulas, then go ahead and make some assumptions.  Let the rotors be 
exactly the same size, and hence weight would be a function of material 
differences.  Then the radius, and other geometric factors are much 
easier to deal with, since they are the same for each case.  Also, run 
both configurations on the same car.  Then once you have the formulas to 
a point where they are an accurate model of the truth, then alter the 
numbers to reflect this particular comparison, Prowler vs Viper.

	Let me know what you find out.  I'm really good at picking apart 
what others have done:-)

Later,								
Graydon D. Stuckey								
graydon@apollo.gmi.edu								
Flint, Michigan   USA
'86 Audi 5000 CS Turbo Quattro, GDS Racing Stage II				
'85 Mazda RX7 GS 12A-leaning-towards-a-13B-soon