Topic: Brake Lining Friction


1935ford    -- 03-23-2013 @ 2:40 PM
  Anyone have dynamic coefficient of friction values for woven and molded brake linings against steel? Thanks!
Roger J.


ford38v8    -- 03-23-2013 @ 3:11 PM
  Roger, the dynamic foot pedal pressure required to skid a Ford to a stop with woven shoes is equal to the pressure needed to break 3 eggsh*lls per each 15 MPH. Under the same circumstances, dynamically speaking, molded shoes will require 5.25 egsh*ll pressures to produce the same skidmarks. Upon close examination of both sets of skidmarks, experts agree 2 to 1 that they cannot agree as to which set was which. All of which proves nothing, and the only true experts on the subject, really, are the eggsh*lls who were actually on the scene to witness the test first hand.

Alan


Stroker    -- 03-23-2013 @ 9:50 PM
  Alan: Methinks you are in "jest".


ford38v8    -- 03-23-2013 @ 11:23 PM
  Dan, you are correct, and on second thought, let's hope the coefficient of my jest is smiles all 'round, as I'm afraid a punch in the nose would be most dynamic.

Alan


TomO    -- 03-24-2013 @ 11:11 AM
  Roger, there is no single answer for your question. Different suppliers use different compositions to create what the supplier thinks is a good compromise between stopping ability and wear. With mechanical brakes, look for bias toward stopping. Longevity should be a minor consideration in a car that is not used as a daily driver.

Tom


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