Rolling Radius of Tire Solution

STEP 0: Pre-Calculation Summary
Formula Used
Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire
Rw = 2/3*Rg+1/3*Rh
This formula uses 3 Variables
Variables Used
Rolling Radius of Tire - (Measured in Meter) - Rolling Radius of Tire is defined as the effective radius of tire when the tire is rotating and moving forward on the ground.
Geometrical Radius of Tire - (Measured in Meter) - Geometrical Radius of Tire is defined as simply the numerical radius of a tire on a wheel plane.
Loaded Height of Tire - (Measured in Meter) - Loaded Height of Tire is defined as the distance from the center of the tire contact patch to the wheel center measured in the wheel plane.
STEP 1: Convert Input(s) to Base Unit
Geometrical Radius of Tire: 0.45 Meter --> 0.45 Meter No Conversion Required
Loaded Height of Tire: 0.35 Meter --> 0.35 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Rw = 2/3*Rg+1/3*Rh --> 2/3*0.45+1/3*0.35
Evaluating ... ...
Rw = 0.416666666666667
STEP 3: Convert Result to Output's Unit
0.416666666666667 Meter --> No Conversion Required
FINAL ANSWER
0.416666666666667 0.416667 Meter <-- Rolling Radius of Tire
(Calculation completed in 00.004 seconds)

Credits

Created by Syed Adnan
Ramaiah University of Applied Sciences (RUAS), bangalore
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Verified by Kartikay Pandit
National Institute Of Technology (NIT), Hamirpur
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3 Rolling Calculators

Rolling Resistance Coefficient
Go Rolling Resistance Coefficient = Distance of Opposing Torque from Vertical/Effective Wheel Radius
Rolling Resistance at Wheels
Go Rolling Resistance at Wheel = Normal Load on Wheels*Rolling Resistance Coefficient
Rolling Radius of Tire
Go Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire

Rolling Radius of Tire Formula

Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire
Rw = 2/3*Rg+1/3*Rh

What is rolling radius of a tire?

The rolling radius of a tire is the distance between the center of the wheel and the bottom of the tire. Typically, the larger the diameter of the tire, the greater the rolling radius. Understanding this is important for designers of vehicles since this will impact the vehicle's functions, such as the speedometer, the transmission shift points and the Revolutions Per Minute (RPM) of the engine's crank shaft.

How to Calculate Rolling Radius of Tire?

Rolling Radius of Tire calculator uses Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire to calculate the Rolling Radius of Tire, The Rolling radius of tire formula is defined as the effective radius of tire when the tire is rotating and moving forward on the ground. Rolling Radius of Tire is denoted by Rw symbol.

How to calculate Rolling Radius of Tire using this online calculator? To use this online calculator for Rolling Radius of Tire, enter Geometrical Radius of Tire (Rg) & Loaded Height of Tire (Rh) and hit the calculate button. Here is how the Rolling Radius of Tire calculation can be explained with given input values -> 0.416667 = 2/3*0.45+1/3*0.35.

FAQ

What is Rolling Radius of Tire?
The Rolling radius of tire formula is defined as the effective radius of tire when the tire is rotating and moving forward on the ground and is represented as Rw = 2/3*Rg+1/3*Rh or Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire. Geometrical Radius of Tire is defined as simply the numerical radius of a tire on a wheel plane & Loaded Height of Tire is defined as the distance from the center of the tire contact patch to the wheel center measured in the wheel plane.
How to calculate Rolling Radius of Tire?
The Rolling radius of tire formula is defined as the effective radius of tire when the tire is rotating and moving forward on the ground is calculated using Rolling Radius of Tire = 2/3*Geometrical Radius of Tire+1/3*Loaded Height of Tire. To calculate Rolling Radius of Tire, you need Geometrical Radius of Tire (Rg) & Loaded Height of Tire (Rh). With our tool, you need to enter the respective value for Geometrical Radius of Tire & Loaded Height of Tire and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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