[s-cars] Under steer vs. overseer?

[Ulrich L. McKenzie]

Guys,

While I cannot profess to being a suspension tuning expert, I can claim some
experience trying to make high performance suspensions work in anger.  My
understanding really advanced during the years I raced Nation and
International class 100cc go-karts.  Simple chassis, no suspension except
the tyres.  A few chassis adjustments (ride height, front stiffness, rear
stiffness, gear ratios, and tyre pressures).  The simple fact is that
suspension tuning  is at best a black art.  When you throw in variables such
as driver skill level, style and preferences, it becomes a nightmare.

While I wish you all the best in tweaking your rides to suite your
individual preferences, if I were in search of the ultimate handling machine
I would not start with a Urs4/6, or any other Audi.

Pick any Chapman designed Lotus, and read the owners manual, and you will be
miles ahead of almost anyone else.

Len
...(Flame (suit) on)
-----Original Message-----
From: s-car-list-admin at audifans.com
[mailto:s-car-list-admin at audifans.com]On Behalf Of Robert Pastore
Sent: 29 November 2002 08:09
To: 'Keith Maddock'; CaptMagu at aol.com; s-car-list at audifans.com;
brucem105 at comcast.net; pizzoman at yahoo.com; tedebearp at yahoo.com
Subject: RE: [s-cars] Understeer vs. oversteer?


Teddy:
Put me first on the list for a camber plate Group Buy. I've got the ECS
offset camber plates on my Avant, and while they've cured the inner tire
wear problem on the street, I just cannot get much negative camber at all
and that hurts me on the track.   Wearing the outer shoulder on Hoosiers
gets expensive!

The practical problem is that changing camber also changes toe, so every
"track" to "street" and back setting requires another trip to the alignment
shop.

Bob

-----Original Message-----
From: Keith Maddock [mailto:Keith.Maddock at trw.com]
Sent: Friday, November 29, 2002 4:14 AM
To: CaptMagu at aol.com; s-car-list at audifans.com; brucem105 at comcast.net;
pizzoman at yahoo.com; tedebearp at yahoo.com
Subject: Re: [s-cars] Understeer vs. oversteer?


Teddy....

*BINGO*

We have *got* to find someone to develop camber plates for our cars...

I'd buy a set for a reasonable price if someone developed them.  Perhaps if
we get a list of people who would buy one, we could convince ECS or someone
to develop them?  Im sure someone would if we had a list of 10 or 20
customers from the get-go....

Or, how do you say "camber plate" in German?  :-D   Perhaps we can find some
here...

Keith

****************************************************************
Keith Maddock, TRW Automotive,  Koblenz, Germany
Slip Control Systems, Systems Design, Traction Control
+49 (0)261/ 895 2474     -    -    keith.maddock at trw.com

>>> Theodore Chen <tedebearp at yahoo.com> 09:34:31 29.11.2002 >>>

(snip-o-rama)
 i'd want to put more negative camber into the front suspension.
if you have adjustable camber plates, you can have street and track
settings.

-teddy



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