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Tire Traction Breakaway Equation and Calculator

Mechanics And Machine Engineering and Design

Tire Traction Breakaway Equation and Calculator

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Tire Traction Breakaway Equation and Calculator 

Tire Traction Breakaway Equation and Calculator Traction, or tractive force, is the force used to generate motion between a body and a tangential surface, through the use of dry friction, though the use of shear force of the surface is also commonly used.

Symbols used:
µo=coefficient of adhesion
Rw =load on wheel considered


The horizontal force at which slipping occurs:


Fm = µo Rw

Typical values coefficient of friction

Description
µo
Concrete/asphalt, dry
0.8 - 0.9
Concrete/asphalt, wet
0.4 - 0.7
Gravel, rolled, dry
0.4 - 0.7
Gravel, rolled, wet
0.6 - 0.7
Clay, dry
0.3 - 0.5
Sand, loose
0.5 - 0.6
Ice, dry
0.2
Ice, wet
0.1
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