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Rolling Radius of Tire Formula

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Rolling Radius of Tire is the distance from the center of the wheel to the point of contact with the road, affecting tire behavior in racing cars. Check FAQs

R w = \frac{2}{3} \cdot R g + \frac{1}{3} \cdot R h

R_w - Rolling Radius of Tire?R_g - Geometrical Radius of Tire?R_h - Loaded Height of Tire?

Rolling Radius of Tire Example

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Here is how the Rolling Radius of Tire equation looks like with Values.

Here is how the Rolling Radius of Tire equation looks like with Units.

Here is how the Rolling Radius of Tire equation looks like.

0.4167 = \frac{2}{3} \cdot 0.45 + \frac{1}{3} \cdot 0.35

0.4167m = \frac{2}{3} \cdot 0.45m + \frac{1}{3} \cdot 0.35m

0.4167 = \frac{2}{3} \cdot 0.45 + \frac{1}{3} \cdot 0.35

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Rolling Radius of Tire Solution

Follow our step by step solution on how to calculate Rolling Radius of Tire?

FIRST Step Consider the formula

R w = \frac{2}{3} \cdot R g + \frac{1}{3} \cdot R h

Next Step Substitute values of Variables

∴

R w = \frac{2}{3} \cdot 0.45m + \frac{1}{3} \cdot 0.35m

Next Step Prepare to Evaluate

∴

R w = \frac{2}{3} \cdot 0.45 + \frac{1}{3} \cdot 0.35

Next Step Evaluate

∴

R w = 0.416666666666667m

LAST Step Rounding Answer

∴

R w = 0.4167m

Rolling Radius of Tire Formula Elements

Variables

Rolling Radius of Tire

Rolling Radius of Tire is the distance from the center of the wheel to the point of contact with the road, affecting tire behavior in racing cars.

Symbol: R_w

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Rolling Radius of Tire

Geometrical Radius of Tire

Geometrical Radius of Tire is the distance from the center of the wheel to the outer circumference of the tire, affecting the racing car's performance and handling.

Symbol: R_g

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Geometrical Radius of Tire

Loaded Height of Tire

Loaded Height of Tire is the vertical distance from the road surface to the center of the tire when the tire is subjected to load in a racing car.

Symbol: R_h

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Loaded Height of Tire

Other formulas in Tire Rolling and Slipping category

Go Rolling Resistance Coefficient

f r = \frac{a v}{r}

Go Rolling Resistance at Wheels

F r = P \cdot f r

Go Gradient Resistance of Vehicle

F g = M v \cdot g \cdot \sin (α)

Go Traction Force Required to Climb Curb

R = G \cdot \cos (θ)

How to Evaluate Rolling Radius of Tire?

Rolling Radius of Tire evaluator uses Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire to evaluate the Rolling Radius of Tire, Rolling Radius of Tire formula is defined as a measure of the effective radius of a tire in contact with the road, which affects the vehicle's overall performance, fuel efficiency, and handling, and is a critical parameter in the design and development of vehicles. Rolling Radius of Tire is denoted by R_w symbol.

How to evaluate Rolling Radius of Tire using this online evaluator? To use this online evaluator for Rolling Radius of Tire, enter Geometrical Radius of Tire (R_g) & Loaded Height of Tire (R_h) and hit the calculate button.

FAQs on Rolling Radius of Tire

What is the formula to find Rolling Radius of Tire?

The formula of Rolling Radius of Tire is expressed as Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire. Here is an example- 0.416667 = 2/3*0.45+1/3*0.35.

How to calculate Rolling Radius of Tire?

With Geometrical Radius of Tire (R_g) & Loaded Height of Tire (R_h) we can find Rolling Radius of Tire using the formula - Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire.

Can the Rolling Radius of Tire be negative?

No, the Rolling Radius of Tire, measured in Length cannot be negative.

Which unit is used to measure Rolling Radius of Tire?

Rolling Radius of Tire is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Rolling Radius of Tire can be measured.

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Rolling Radius of Tire Formula

Rolling Radius of Tire Example

Rolling Radius of Tire Solution

Rolling Radius of Tire Formula Elements

Other formulas in Tire Rolling and Slipping category

How to Evaluate Rolling Radius of Tire?

FAQs on Rolling Radius of Tire

Variable Name