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Wheel rate in vehicle Formula

GoWheel Rate given Tire Rate and Ride Rate Formula

GoWheel rate Formula

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Wheel Rate of Vehicle is the ratio of the spring rate of the suspension to the motion ratio of the tire, affecting the racing car's handling and stability. Check FAQs

K t = k \cdot ({(M.R.)}^{2}) \cdot (cosθ)

K_t - Wheel Rate of Vehicle?k - Stiffness of Spring?M.R. - Motion Ratio in Suspension?cosθ - Spring Angle Correction Factor?

Wheel rate in vehicle Example

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Here is how the Wheel rate in vehicle equation looks like with Values.

Here is how the Wheel rate in vehicle equation looks like with Units.

Here is how the Wheel rate in vehicle equation looks like.

100.0001 = 160.8932 \cdot ({(0.85)}^{2}) \cdot (0.8602)

100.0001N/m = 160.8932N/m \cdot ({(0.85)}^{2}) \cdot (0.8602)

100.0001 = 160.8932 \cdot ({(0.85)}^{2}) \cdot (0.8602)

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Wheel rate in vehicle Solution

Follow our step by step solution on how to calculate Wheel rate in vehicle?

FIRST Step Consider the formula

K t = k \cdot ({(M.R.)}^{2}) \cdot (cosθ)

Next Step Substitute values of Variables

∴

K t = 160.8932N/m \cdot ({(0.85)}^{2}) \cdot (0.8602)

Next Step Prepare to Evaluate

∴

K t = 160.8932 \cdot ({(0.85)}^{2}) \cdot (0.8602)

Next Step Evaluate

∴

K t = 100.00005115425N/m

LAST Step Rounding Answer

∴

K t = 100.0001N/m

Wheel rate in vehicle Formula Elements

Variables

Wheel Rate of Vehicle

Wheel Rate of Vehicle is the ratio of the spring rate of the suspension to the motion ratio of the tire, affecting the racing car's handling and stability.

Symbol: K_t

Measurement: Surface TensionUnit: N/m

Note: Value should be greater than 0.

Formulas to find Wheel Rate of Vehicle

Stiffness of Spring

Stiffness of Spring is the measure of a spring's resistance to deformation in a racing car's tire behavior, affecting its overall performance and handling.

Symbol: k

Measurement: Surface TensionUnit: N/m

Note: Value should be greater than 0.

Formulas to find Stiffness of Spring

Motion Ratio in Suspension

Motion ratio in suspension is the ratio of the motion of the suspension to the motion of the wheel in a racing car, affecting its overall performance.

Symbol: M.R.

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Motion Ratio in Suspension

Spring Angle Correction Factor

Spring angle correction factor is a measure of the adjustment made to the spring angle to optimize tire behavior and performance in racing cars.

Symbol: cosθ

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Spring Angle Correction Factor

Other Formulas to find Wheel Rate of Vehicle

Go Wheel Rate given Tire Rate and Ride Rate

K t = \frac{K tr \cdot K RR}{K tr - K RR}

Go Wheel rate

K t = K \cdot ({IR}^{2}) \cdot \cos (Φ)

Other formulas in Wheel Parameters category

Go Angle between Traction Force and Horizontal Axis

θ = a \sin (1 - \frac{h curb}{r d})

Go Tire Side Wall Height

H = \frac{AR \cdot W}{100}

Go Aspect Ratio of Tire

AR = \frac{H}{W} \cdot 100

Go Wheel Diameter of Vehicle

d w = D + 2 \cdot H

How to Evaluate Wheel rate in vehicle?

Wheel rate in vehicle evaluator uses Wheel Rate of Vehicle = Stiffness of Spring*((Motion Ratio in Suspension)^2)*(Spring Angle Correction Factor) to evaluate the Wheel Rate of Vehicle, Wheel rate in vehicle formula is defined as the measure of the spring rate of a vehicle's suspension system, which is critical in determining the vehicle's ride and handling characteristics, particularly when navigating uneven terrain or making sharp turns. Wheel Rate of Vehicle is denoted by K_t symbol.

How to evaluate Wheel rate in vehicle using this online evaluator? To use this online evaluator for Wheel rate in vehicle, enter Stiffness of Spring (k), Motion Ratio in Suspension (M.R.) & Spring Angle Correction Factor (cosθ) and hit the calculate button.

FAQs on Wheel rate in vehicle

What is the formula to find Wheel rate in vehicle?

The formula of Wheel rate in vehicle is expressed as Wheel Rate of Vehicle = Stiffness of Spring*((Motion Ratio in Suspension)^2)*(Spring Angle Correction Factor). Here is an example- 99.99806 = 160.8932*((0.85)^2)*(0.86025).

How to calculate Wheel rate in vehicle?

With Stiffness of Spring (k), Motion Ratio in Suspension (M.R.) & Spring Angle Correction Factor (cosθ) we can find Wheel rate in vehicle using the formula - Wheel Rate of Vehicle = Stiffness of Spring*((Motion Ratio in Suspension)^2)*(Spring Angle Correction Factor).

What are the other ways to Calculate Wheel Rate of Vehicle?

Here are the different ways to Calculate Wheel Rate of Vehicle-

Wheel Rate of Vehicle=(Tire Rate*Ride Rate of Car)/(Tire Rate-Ride Rate of Car)
Wheel Rate of Vehicle=Spring Rate*(Installation Ratio^2)*cos(Damper Angle from Vertical)

Can the Wheel rate in vehicle be negative?

No, the Wheel rate in vehicle, measured in Surface Tension cannot be negative.

Which unit is used to measure Wheel rate in vehicle?

Wheel rate in vehicle is usually measured using the Newton per Meter[N/m] for Surface Tension. Millinewton per Meter[N/m], Gram-Force per Centimeter[N/m], Dyne per Centimeter[N/m] are the few other units in which Wheel rate in vehicle can be measured.

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