The Traffic Accident Reconstruction Origin -ARnews-

MARRS II Friction Tester

Bob Lillywhite (rlillywhit@aol.com)
Sun, 8 Jun 1997 12:23:58 -0400 (EDT)

I recently helped an engineer set up a MARRS II Friction Tester to test for the
coefficient of friction on a floor in a restraunt. It involved a slip and fall
case. This device seemed to be extremely accurate. Has anyone ever used it
to test for the coefficient of friction of a roadway? It appeared a lot easier
to read than the conventional drag sled method in which one is quessing at what
scale is actually reading. Any comments?
Bob Lillywhite
rlillywhit@aol.com

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