[s-cars] Understeer vs. oversteer?

[Bruce Mendel]

I have a 93 Canadian car with the rear anti-roll and -2.5 degrees of camber
in the front, and I am STILL considering the Happersized rear sway bar.

In other words, she understeers like crazy no matter what, but my car is
closer to neutral than before with the camber set the way it is.

One benefit of the bigger bar would be that I could lose a little camber up
front, giving me better tire wear on the insides of the fronts.

Bruce
----- Original Message -----
From: "Theodore Chen" <tedebearp at yahoo.com>
To: "Joseph Pizzimenti" <pizzoman at yahoo.com>; <s-car-list at audifans.com>
Sent: Tuesday, November 26, 2002 4:12 PM
Subject: Re: [s-cars] Understeer vs. oversteer?


>
> --- Joseph Pizzimenti <pizzoman at yahoo.com> wrote:
> > List,
> > Our cars understeer like pigs (not unlike my date this
> > weekend) because all the weight's on the nose, right?
>
> right.  also, production cars are always set up to understeer for
> liability reasons.  most people tend to panic when the tail comes
> around on them.
>
> your date understeers?
>
> > Understeer is caused by front wheels losing traction
> > before the rear, so the car plows.  Adding a Rear Sway
> > Bar should increase the rear traction.  Hap, wouldn't
> > this make understeer worse?
>
> no, the addition of the rear antiroll bar (the preferred term) increases
> rear roll stiffness.  this means the rear tires will take more of the
> load, and front traction improves at the expense of rear traction.
>
> you should realize that antiroll bars work by levering on the inside
> tire.  as the suspension compresses on one side (the outside) in
cornering,
> the antiroll bar levers against the inside wheel, effectively resisting
> body roll by pulling up on the inside wheel.  it's noticeable when
> people go caveman on the antiroll bar because the inside wheel comes
> off the ground.
>
> my '92 has a rear antiroll bar, and it still understeers quite a bit.
> it really needs more negative camber in the front.
>
> -teddy
>
>
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