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Re: Rear anti-roll bars

To: "Bryan Vandiver" <Bryan.Vandiver@Eng.Sun.COM>, <spridgets@autox.team.net>, <conan@ralvm8.vnet.ibm.com>
Subject: Re: Rear anti-roll bars
Date: Wed, 2 Aug 2000 11:46:45 -0700charset="iso-8859-1"
References: <200008021821.LAA03393@shorter.eng.sun.com>
Bryan

I removed three leafs which made it a little softer. The rear is still
skittish but not as bad as it was.

Larry Miller

----- Original Message -----
From "Bryan Vandiver" <Bryan.Vandiver at Eng.Sun.COM>
To: <spridgets@autox.team.net>; <conan@ralvm8.vnet.ibm.com>
Sent: Wednesday, August 02, 2000 11:21 AM
Subject: re: Rear anti-roll bars


> I understand what you are saying but...
> On my bugeye, I have a new set of HD 10-leaf springs. To me they seem way
to
> stiff. If I hit a bump while making a hard turn, the entire rear end has a
> tendency to leave the ground, and  car will 'jump to the outside'. This
behavior
> makes my car just a little 'too exciting' to drive, and I don't see how
putting
> either a rear bar or panard rod will help with this.
> Does any one else experience this same problem?? What is the best way to
resolve
> this? softer springs and rear roll-bar combo??
> BTW - I do have all new poly bushings under the car, even on the rear
radius
> arm.
>
> Regards - Bryan  - (reading this thread intently)
>
> >To: spridgets@autox.team.net
> >Subject: re: Rear anti-roll bars
> >
> >>>The question is though, would the car corner at even higher speeds with
no
> >>>anti roll bar at the rear and less roll stiffness at the front?
> >
> >  On a smooth, steady-state corner (skidpad, traffic circle) it might
> >do just that.  But; in transitional maneuvers (slalom, lane change, short
> >quick corners) the time spent rolling back and forth would be a problem.
> >Anti-roll bars cut down on transition time AND give a more stable feel.
> >A car that 'feels' more stable is easier to drive faster.
> >  The anti-roll bar also helps keep you off the bumpstops.  Allowing the
> >body to roll enough to get into the bumpstops, then hitting a frost heave
> >in the middle of that high-speed sweeper can be real exciting.
> >  Years ago I read in a racing book that -one- theory of balancing
springs
> >and anti-roll bars was to select the softest springs that would keep you
> >OFF the bumpstops on a particular track, then fine-tune with anti-roll
bars.
> >  In the street world you'd have to use stiffer springs because you never
> >know what kind of bumps are around the next corner (or in the middle of
it ;-)
> >and you'd have to compromise on anti-roll bar settings to match those
springs.
> >     Ed in NC
> >  "I like cats too...  Let's trade recipes." ;-)
>
>


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