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Rear Track Width is the distance between the centers of the rear wheels. Check FAQs
tR=2KΦ(Rarb+Kw(Ts)22)(Rarb+KwTs22-KΦ)Kt
tR - Rear Track Width?KΦ - Roll Rate?Rarb - Roll Rate of Anti-Roll Bar?Kw - Wheel Centre Rate?Ts - Spring Track Width?Kt - Tyre Vertical Rate?

Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar Example

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With units
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Here is how the Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar equation looks like with Values.

Here is how the Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar equation looks like with Units.

Here is how the Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar equation looks like.

0.4Edit=210297.43Edit(4881.6Edit+30366.46Edit(0.9Edit)22)(4881.6Edit+30366.46Edit0.9Edit22-10297.43Edit)321300Edit
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Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar Solution

Follow our step by step solution on how to calculate Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar?

FIRST Step Consider the formula
tR=2KΦ(Rarb+Kw(Ts)22)(Rarb+KwTs22-KΦ)Kt
Next Step Substitute values of Variables
tR=210297.43Nm/rad(4881.6Nm/rad+30366.46N/m(0.9m)22)(4881.6Nm/rad+30366.46N/m0.9m22-10297.43Nm/rad)321300N/m
Next Step Prepare to Evaluate
tR=210297.43(4881.6+30366.46(0.9)22)(4881.6+30366.460.922-10297.43)321300
Next Step Evaluate
tR=0.400000019210795m
LAST Step Rounding Answer
tR=0.4m

Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar Formula Elements

Variables
Functions
Rear Track Width
Rear Track Width is the distance between the centers of the rear wheels.
Symbol: tR
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Roll Rate
Roll Rate or Roll stiffness is the resistance moment generated per unit of roll angle of the sprung mass.
Symbol: KΦ
Measurement: Torsion ConstantUnit: Nm/rad
Note: Value should be greater than 0.
Roll Rate of Anti-Roll Bar
The Roll Rate of Anti-Roll Bar is the stiffness of the anti-roll bar in the roll mode.
Symbol: Rarb
Measurement: Torsion ConstantUnit: Nm/rad
Note: Value should be greater than 0.
Wheel Centre Rate
Wheel Centre Rate is the vertical force acting on the tire per unit vertical displacement at the location along the spindle corresponding to the wheel centerline, measured relative to the chassis.
Symbol: Kw
Measurement: Surface TensionUnit: N/m
Note: Value should be greater than 0.
Spring Track Width
Spring Track Width is the distance between the springs on either side of the axle.
Symbol: Ts
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Tyre Vertical Rate
Tyre Vertical Rate is the spring rate controlled by the tyre compound, sidewall stiffness and operating pressure.
Symbol: Kt
Measurement: Surface TensionUnit: N/m
Note: Value should be greater than 0.
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other Formulas to find Rear Track Width

​Go Rear Track Width given Roll Rate
tR=KΦKwTs2(KwTs22-KΦ)Kt

Other formulas in Rates for Axle Suspension in Race Car category

​Go Roll Rate
KΦ=KttR22KwTs22KttR22+KwTs22
​Go Vertical Tyre Axle Rate given Roll Rate
Kw=KΦKttR22KttR22-KΦTs22
​Go Spring Track Width given Roll Rate
Ts=KΦKttR2(KttR22-KΦ)Kw
​Go Tyre Rate given Roll Rate
Kt=KΦ(KwTs22)(KwTs22-KΦ)tR22

How to Evaluate Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar?

Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar evaluator uses Rear Track Width = sqrt(2*(Roll Rate*(Roll Rate of Anti-Roll Bar+Wheel Centre Rate*(Spring Track Width)^2/2))/((Roll Rate of Anti-Roll Bar+Wheel Centre Rate*(Spring Track Width^2)/2-Roll Rate)*Tyre Vertical Rate)) to evaluate the Rear Track Width, The Rear track width given roll rate of suspension with anti-roll bar formula is used to find the distance between the centers of the rear wheels. Rear Track Width is denoted by tR symbol.

How to evaluate Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar using this online evaluator? To use this online evaluator for Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar, enter Roll Rate (KΦ), Roll Rate of Anti-Roll Bar (Rarb), Wheel Centre Rate (Kw), Spring Track Width (Ts) & Tyre Vertical Rate (Kt) and hit the calculate button.

FAQs on Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar

What is the formula to find Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar?
The formula of Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar is expressed as Rear Track Width = sqrt(2*(Roll Rate*(Roll Rate of Anti-Roll Bar+Wheel Centre Rate*(Spring Track Width)^2/2))/((Roll Rate of Anti-Roll Bar+Wheel Centre Rate*(Spring Track Width^2)/2-Roll Rate)*Tyre Vertical Rate)). Here is an example- 0.316835 = sqrt(2*(10297.43*(4881.6+30366.46*(0.9)^2/2))/((4881.6+30366.46*(0.9^2)/2-10297.43)*321300)).
How to calculate Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar?
With Roll Rate (KΦ), Roll Rate of Anti-Roll Bar (Rarb), Wheel Centre Rate (Kw), Spring Track Width (Ts) & Tyre Vertical Rate (Kt) we can find Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar using the formula - Rear Track Width = sqrt(2*(Roll Rate*(Roll Rate of Anti-Roll Bar+Wheel Centre Rate*(Spring Track Width)^2/2))/((Roll Rate of Anti-Roll Bar+Wheel Centre Rate*(Spring Track Width^2)/2-Roll Rate)*Tyre Vertical Rate)). This formula also uses Square Root (sqrt) function(s).
What are the other ways to Calculate Rear Track Width?
Here are the different ways to Calculate Rear Track Width-
  • Rear Track Width=sqrt((Roll Rate*Wheel Centre Rate*Spring Track Width^2)/((Wheel Centre Rate*(Spring Track Width^2)/2-Roll Rate)*Tyre Vertical Rate))OpenImg
Can the Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar be negative?
No, the Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar, measured in Length cannot be negative.
Which unit is used to measure Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar?
Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Rear Track Width given Roll Rate of Suspension with Anti-Roll Bar can be measured.
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