**MAGIC FORMULA****R0 **= Unloaded tire radius

**Fz0** = Nominal normal force

**p_Cx1** = Shape factor Cfx for longitudinal force

**p_Dx1** = Longitudinal friction Mux at Fznom

**p_Dx2 **= Variation of friction Mux with load

p_Ex1 = Longitudinal curvature Efx at Fznom

p_Ex2 = Variation of curvature Efx with load

p_Ex3 = Variation of curvature Efx with load squared

p_Ex4 = Factor in curvature Efx while driving

**p_Kx1** = Longitudinal slip stiffness Kfx/Fz at Fznom

p_Kx2 = Variation of slip stiffness Kfx/Fz with load

p_Kx3 = Exponent in slip stiffness Kfx/Fz with load

**r_Bx1** = Slope factor for combined slip Fx reduction

**r_Bx2** = Variation of slope Fx reduction with kappa

r_Bx3 = Influence of camber on stiffness for Fx combined

**r_Cx1** = Shape factor for combined slip Fx reduction

**p_Cy1** = Shape factor Cfy for lateral forces

**p_Cy2** = Shape factor Cfc for camber forces

**p_Dy1** = Lateral friction Muy

**p_Dy2** = Variation of friction Muy with load

p_Dy3 = Variation of friction Muy with squared camber

p_Ey1 = Lateral curvature Efy at Fznom

p_Ey2 = Variation of curvature Efy with load

p_Ey3 = Zero order camber dependency of curvature Efy

p_Ey4 = Variation of curvature Efy with camber

**p_Ey5** = Camber curvature Efc

**p_Ky1** = Maximum value of stiffness Kfy/Fznom

**p_Ky2** = Load at which Kfy reaches maximum value

**p_Ky3** = Variation of Kfy/Fznom with camber

p_Ky4 = Peak stiffness variation with camber squared

p_Ky5 = Lateral stiffness depedency with camber

**p_Ky6** = Camber stiffness factor

p_Ky7 = Load dependency of camber stiffness factor

**r_By1** = Slope factor for combined Fy reduction

**r_By2** = Variation of slope Fy reduction with alpha

**r_By3** = Shift term for alpha in slope Fy reduction

**r_Cy1** = Shape factor for combined Fy reduction

**r_Hy1** = Shift factor for combined Fy reduction

**q_Bz1** = Trail slope factor for trail Bpt at Fznom

**q_Cz1** = Shape factor Cpt for pneumatic trail

**q_Dz1** = Peak trail Dpt" = Dpt*(Fz/Fznom*R0)

**q_Dz8** = Variation of peak factor Dmr with camber

**q_Ez1** = Trail curvature Ept at Fznom

**s_Sz1** = Nominal value of s/R0: effect of Fx on Mz

**q_sy1** = Rolling resistance torque coefficient

**TIRE COMPOUND PROPERTIES**compound0

{

name = Compound0 name (Hard, Soft, etc)

OptTemperature = Optimal tire temperature

BelowTempFactor = ?

AboveTempFactor = ?

HeatingFactorLong = Longitudinal Temperature Factor?

HeatingFactorLat = LateralTemperature Factor?

HeatingFactorRoll = Rolling Temperature Factor?

WearRate = Wear Rate

NumKeys = 2

http://forum.piboso.com/index.php?topic=1179.msg70269#msg70269 Key0 = 0.9, 0.980000

Key1 = 1, 0.800000

asphalt1

{

dry_grip = Dry Grip Percentage?

wet_grip = Wet Grip Percentage?

resistance_dry = Dry tire drag?

resistance_wet = Wet tire drag?

}

}

compound0 = Compound0 name (left side)

compound1 = Compound1 name (center)

compound2 = Compound2 name (rigth side)

OptimalPressure = Optimal tire pressure

Mass = Weight

Inertia = Wheel inertia (X,Y,Z)?

Radius =

http://forum.piboso.com/index.php?topic=687.msg6636#msg6636TorusRadius =

Width =

SpringBase =

http://forum.piboso.com/index.php?topic=1179.msg73063#msg73063SpringFactor =

Damper =

RadiusRPS =

MaxDrainage = Max tire drainage %

pressure

{

range = 100, 5, 160 (initial pressure, added pressure, maximum pressure)

setting = 6 (Default pressure: 100 + (6*5) = 130)

}

tyreHeaterTemperature =60 (Initial tire temperature)