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Re: Brake Trouble! UPDATE!

To: MG List <mgs@autox.team.net>
Subject: Re: Brake Trouble! UPDATE!
From: Max Heim <max_heim@sbcglobal.net>
Date: Wed, 18 Oct 2006 10:16:19 -0700
on 10/18/06 4:47 AM, Paul Hunt at paul.hunt1@blueyonder.co.uk wrote:

> I'm not making any assumptions at all, I'm asking the question and saying
> *if* it is capable of throwing you under a truck, as appears to have been
> said here:
> 
> "What ABS does is to release the
> braking force on the wheel which wants to skid so it keeps turning
> and doesn't skid (much).  The end result is greater braking force on
> the wheel with better grip, which can tend to slue the car sideways
> (and run into the next lane)."

I don't think the above is an accurate description. By pulsing the brake on
the wheel which is on the verge of skidding, the system is preventing the
car from suddenly pulling to one side (as one wheel locks up), not causing
it to slew. The situation described may possibly occur in a situation where
there is a radical side-to-side variance in surface traction (the
hypothetical one-wheel-on-ice scenario), but that would have resulted in
slewing without ABS, so you can't say you're any worse off.

> 
> then it is fundamentally flawed.

I think the description was flawed. Though I'm not enamored of these
electronic interventions, myself.

> 
> And I resemble the implication that I need ABS ...
> 
> PaulH.
> 
> ----- Original Message -----
> 
>>   Seems like you're making a lot of assumptions here.  Do you actually
>> know of any cars the were thrown "under the wheels of a truck" by ABS?



--

Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires




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