--------- Forwarded message ----------
From: Dan Walters <spmdr@juno.com>
To: rpalmer@ucsd.edu,bobjosten@comcast.net,SLaifman@SoCal.RR.com,
Veeseeoso@aol.com
Date: Mon, 27 Sep 2004 07:55:25 -0700
Subject: Re: Traction Bars Experience and Alternate
On Sun, 26 Sep 2004 18:34:35 -0700 "Bob Palmer" <rpalmer@ucsd.edu>
writes:
> I like the Caltrac design which looks like, as Hank says, doesn't
> jack the
> car up (at least not much) during acceleration and doesn't produce
> any dive
> during braking. For drag racing, lifting the front up (shifting
> weight to
> the rear), but this is not what one wants during braking.
> Unfortunately, the
> Walters design has this bad aspect under braking.
>
> Bob
Bob, Bob, Henry, Steve,
As you know, most automotive situations are compromises.
With the Tiger Torque Arm I made the effective arm length as
long as I could to reduce the dynamics of the rear axle.
However, as I see it, the torque arm does ALL the right stuff:
- It gives the rear axle housing a push DOWN ( the REAR of the
body goes UP, reducing squat ) under acceleration, a good thing.
-It gives the rear axle housing a push UP ( the REAR of the body
goes DOWN reducing dive! ) under braking, a good thing.
If you have excessive rear brake action you get rear wheel hop under
braking. Most people would say this is a bad thing but when you
have locked your rear wheels and DON'T know it, THAT IS A BAD THING!
I have been there and crashed that!
If you are unaware of the action of a Torque Arm and have excessive
rear brakes, you have a problem.
With the proper amount of rear brake, the Torque Arm works very well!
It's like a sway bar, the outside wheel gets pushed up and with
action of the sway bar the inside wheel also gets pushed up.
How can lifting the inside wheel be a good thing?
I don't know anything about the Caltrac design, but if it fits on
a Tiger and works better than a Torque Arm, I would encourage
people to use it!
I have told people as soon as I find a better device than a
Torque arm I will put it on MY car!
As SOON as I have TIME!
DW
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