Dave and I were chatting about this subject this morning.... ( I was on the
Road to Memphis Via Tupelo.. and Didn't see Elvis.... so I am suspecting
these sighting's are a bit misleading )
Anyway I use a Protractor on the rocker panel Ed to set up the Camaro.
set it at 2 degrees or so.... depending on the air bag pressures.... I agree
with all the previous comments about keeping air out from under the car in
the first place....
Keith
----- Original Message -----
From: "Nafzger" <nafzger@vtc.net>
To: "Skip Higginbotham" <saltrat@pro-blend.com>; "Thomas E. Bryant"
<saltracer@awwwsome.com>; <land-speed@autox.team.net>
Sent: Tuesday, April 24, 2001 10:01 PM
Subject: Re: angle of attack
> Skip,
> I'm noexpert but wouldn't the fence increase the frontal area? Maybe I'm
> getting confused between a fence and an air dam.
> Howard
>
> ----- Original Message -----
> From: "Skip Higginbotham" <saltrat@pro-blend.com>
> To: "Thomas E. Bryant" <saltracer@awwwsome.com>;
<land-speed@autox.team.net>
> Sent: Tuesday, April 24, 2001 5:39 PM
> Subject: Re: angle of attack
>
>
> > I always wondered...why do people rake the car when a fence will do the
> > same thing (keep air out from under the car) and it doesn't worsen the
> > "designed in" lift/drag characteristics.
> > HHHMMMMM?
> > 90 degrees....Geeezz 74 here in central Texas
> > Skip H
> >
> >
> >
> >
> > At 07:02 PM 4/24/01 , you wrote:
> > >Ed,
> > >I don't know if there is a recognized method, but measuring the bottom
> > >line of the car would seem to be proper.
> > >
> > >It is my understanding that the rake has more to do with the air under
> > >the car than that on top. Under the car the air becomes turbulent and
> > >needs more room to exit than it did to enter. Of course, the wedge
> > >effect (as with my car) does give down force to the chassis, from air
> > >over the top, sometimes more than you may want. I have not measured the
> > >down force on my car, but I do know that the skirting at the nose of
the
> > >car is badly worn from contact with the salt on the course. At rest it
> > >clears by at least 2 inches. Just some food for thought!
> > >
> > >Tom, Redding CA (90 degrees) - #216 D/GCC
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