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[Spridgets] Help - Seemingly Incurable Brake Fade

To: Spridgets <spridgets@autox.team.net>
Subject: [Spridgets] Help - Seemingly Incurable Brake Fade
From: Jim Johnson <bmwwxman@gmail.com>
Date: Mon, 5 Oct 2009 13:27:51 -0700
Actually, I was thinking of such variables as steering and tire traction.
Who steers in a perfect circle?  Turning the wheels even briefly inward
toward the curve (brief turning adjustment) will increase lateral G
momentarily. This stuff is always more complicated than we make it. It is
definitely non-linear. Same with tire traction. Slip lowers lateral G
momentarily, lateral G increases momentarily when the traction increases
again.

Recently there was a discussion on G forces involved in braking or
accidents. The G numbers for a 25 mph impact is incredibly high but it is
instantaneous and not a sustained G so we feel it as a jolt and not a
constant force. I guess what I'm asking here is whether there are sudden
little lateral jerks during cornering which increase the instantaneous G
load however briefly to values as high as 1.5 Gs. It seems logical both
conceptually and mathematically that that could be the case.....

Cheers!!
Jim


On Mon, Oct 5, 2009 at 12:58 PM, David Booker <tncarnut1@yahoo.com> wrote:

> Jim Johnson wrote: "There may actually be times when the vehicle
> experiences an instantaneous lateral
> G somewhat higher and somewhat lower??"
>
> You might instantaneously get a somewhat higher number if you encountered a
> curb or guardrail in your travels.  Conversely, a patch of oil or dirt or
> gravel could instantaneously lower your lateral G reading significantly.
> Until of course you reach the aforementioned curb or guardrail...
>
> Just trying to be helpful.
>  - David Booker
> Long Island
>
>
>


--
Cheers!!
Jim
Only two things are infinite, the universe and human stupidity, and I am
not
sure about the former. - Albert Einstein



--
Cheers!!
Jim
Only two things are infinite, the universe and human stupidity, and I am
not
sure about the former. - Albert Einstein
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