Need for ABS

Need for ABS, courtesy of Bosch

Speed	Tyres	Road Conditions
km/h	mph		Dry	0.2mm water	1mm water	2mm water	ice
50	30	new	0.85	0.65	0.55	0.5	<0.1
50	30	worn	1	0.5	0.4	0.25	0
90	55	new	0.8	0.6	0.3	0.05	0
90	55	worn	0.95	0.2	0.1	0.05	0
130	75	new	0.75	0.55	0.2	0	0
130	75	worn	0.9	0.2	0.1	0	0

New tyres need time to bed-in, and some 80% of traction is lost with just 0.2mm of water - that "barely a film" increases stopping distances almost 100% & decreasing road holding similarly.

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Last Upload: 31st January, 2002. V1.50a
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