In a message dated 1/20/00 6:54:41 PM Eastern Standard Time, bkrueger@ici.net
writes:
<< "One of the most common body computer systems found on vehicles today
is the
anti-lock brake systems. .... Most anti-lock brake systems contain ... wheel
speed sensor units, an anti-lock control module, and a hydraulic actuator.
...
The anti-lock control module uses the sugnals produced by the sensors to
determine when the anti-lock system should be activated. When a wheel is
nearing
a lockup condition, the control module signals the hydraulic actuator to
regulate
fluid pressure to the wheel...."
There's much more along those lines. ABS prevents lock-up. It's a great
system, in theory, but computers and sensors aren't always at optimum. I
just
suggest that folks with ABS should give them a try under controlled
conditions so
as not to be surprised, as I was. >>
- - - - - - - - - - - - - - - - - - - - -
Yes, ABS systems are designed to sense when deceleration rates
of the wheels differ, which would indicate an impending lockup of
the wheel that is slowing...er...faster. And then it kicks in the
hydraulic dump.
A trained driver can still stop in a shorter distance by using threshold
braking. You are absolutely correct in saying that you should know
the capabilities of your brakes, ABS or not. Experience is the only
way to know how well your car can stop.
Safety Fast!
Allen Hefner
SCCA Philly Region Rally Steward
'77 Midget
'92 Mitsubishi Expo LRV Sport
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