Thread: Motor Reversing
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J. Clarke[_2_] J. Clarke[_2_] is offline
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Default Motor Reversing

In article ,
says...

On Fri, 15 Oct 2010 09:49:34 -0400, "J. Clarke"
wrote:

In article , says...

Disc brake were around for a lot longer than the ABS systems were ever
implemented.
Disc brakes were not sdesigned to "lock up" but rather be more linear than
shoe brake systems, and fade less.

"Mike Marlow" wrote in message
...
No they aren't. ABS systems are designed to prevent the wheel from locking
up, but disk brakes aren't. In fact, quite the opposite, they are designed
to lock up but rely upon the ABS to govern them so they don't.


They're not "designed to lock up", they're designed as a compromise
between maximum braking force, fade, pad wear, weight, and cost. Most
disk brakes can be locked.

ABS is intended to save your ass when there's poor traction by
preventing lock--it will also prevent lock on good surfaces but
generally isn't needed for that purpose.

Scott Lurndal wrote:
On the other hand, disc brakes are designed so they don't lock up,
this includes the materials used as well plus the modern ABS
electronics.


I've had more "success" locking drum brakes on dry pavement than
disks. For CAFE reasons they put the lightest disk brake assembly they
can get away with on most vehicles.


I don't see locking brakes as "success" but I can if I want to lock up
my Grand Cherokee on a dry road.

And we were talking about a caliper from a '76 Lincoln, which has
absolutely _nothing_ "light" on it.