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Rear Track Width given Rear Lateral Load Transfer Formula

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Rear Track Width is the distance between the centres of the rear wheels. Check FAQs

t r = \frac{\frac{A y}{[g]} \cdot m \cdot H \cdot \frac{K Φr}{K Φf + K Φr}}{W r - \frac{a}{b} \cdot Z rr}

t_r - Rear Track Width?A_y - Lateral Acceleration?m - Mass of Vehicle?H - Centre of Gravity Distance to Roll Axis?K_Φr - Rear Roll Rate?K_Φf - Front Roll Rate?W_r - Rear Lateral Load Transfer?a - Horizontal Distance of C.G. from Front Axle?b - Wheelbase of Vehicle?Z_rr - Rear Roll Centre Height?[g] - Gravitational acceleration on Earth?

Rear Track Width given Rear Lateral Load Transfer Example

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Here is how the Rear Track Width given Rear Lateral Load Transfer equation looks like with Values.

Here is how the Rear Track Width given Rear Lateral Load Transfer equation looks like with Units.

Here is how the Rear Track Width given Rear Lateral Load Transfer equation looks like.

1.4 = \frac{\frac{9.81}{9.8066} \cdot 155 \cdot 3.4907 \cdot \frac{67800}{94900 + 67800}}{161.87 - \frac{27}{2.7} \cdot 0.0762}

1.4m = \frac{\frac{9.81m/s²}{9.8066m/s²} \cdot 155kg \cdot 3.4907m \cdot \frac{67800Nm/rad}{94900Nm/rad + 67800Nm/rad}}{161.87kg - \frac{27m}{2.7m} \cdot 0.0762m}

1.4 = \frac{\frac{9.81}{9.8066} \cdot 155 \cdot 3.4907 \cdot \frac{67800}{94900 + 67800}}{161.87 - \frac{27}{2.7} \cdot 0.0762}

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Rear Track Width given Rear Lateral Load Transfer Solution

Follow our step by step solution on how to calculate Rear Track Width given Rear Lateral Load Transfer?

FIRST Step Consider the formula

t r = \frac{\frac{A y}{[g]} \cdot m \cdot H \cdot \frac{K Φr}{K Φf + K Φr}}{W r - \frac{a}{b} \cdot Z rr}

Next Step Substitute values of Variables

∴

t r = \frac{\frac{9.81m/s²}{[g]} \cdot 155kg \cdot 3.4907m \cdot \frac{67800Nm/rad}{94900Nm/rad + 67800Nm/rad}}{161.87kg - \frac{27m}{2.7m} \cdot 0.0762m}

Next Step Substitute values of Constants

∴

t r = \frac{\frac{9.81m/s²}{9.8066m/s²} \cdot 155kg \cdot 3.4907m \cdot \frac{67800Nm/rad}{94900Nm/rad + 67800Nm/rad}}{161.87kg - \frac{27m}{2.7m} \cdot 0.0762m}

Next Step Prepare to Evaluate

∴

t r = \frac{\frac{9.81}{9.8066} \cdot 155 \cdot 3.4907 \cdot \frac{67800}{94900 + 67800}}{161.87 - \frac{27}{2.7} \cdot 0.0762}

Next Step Evaluate

∴

t r = 1.39996632933822m

LAST Step Rounding Answer

∴

t r = 1.4m

Rear Track Width given Rear Lateral Load Transfer Formula Elements

Variables

Constants

Rear Track Width

Rear Track Width is the distance between the centres of the rear wheels.

Symbol: t_r

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Rear Track Width

Lateral Acceleration

Lateral Acceleration is the acceleration in the lateral direction when the vehicle is cornering.

Symbol: A_y

Measurement: AccelerationUnit: m/s²

Note: Value can be positive or negative.

Formulas to find Lateral Acceleration

Mass of Vehicle

Mass of Vehicle is the total mass of the vehicle.

Symbol: m

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Mass of Vehicle

Centre of Gravity Distance to Roll Axis

Centre of Gravity Distance to Roll Axis is the distance between the centre of gravity and the roll axis.

Symbol: H

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Centre of Gravity Distance to Roll Axis

Rear Roll Rate

Rear Roll Rate is the stiffness of your car in the roll mode. Or one can say, it is the roll angle per unit lateral acceleration.

Symbol: K_Φr

Measurement: Torsion ConstantUnit: Nm/rad

Note: Value should be greater than 0.

Formulas to find Rear Roll Rate

Front Roll Rate

Front Roll Rate is the stiffness of your car in the roll mode. Or one can say, it is the roll angle per unit lateral acceleration.

Symbol: K_Φf

Measurement: Torsion ConstantUnit: Nm/rad

Note: Value should be greater than 0.

Formulas to find Front Roll Rate

Rear Lateral Load Transfer

Rear Lateral Load Transfer is the load transfer in the rear wheels due to lateral acceleration.

Symbol: W_r

Measurement: WeightUnit: kg

Note: Value can be positive or negative.

Formulas to find Rear Lateral Load Transfer

Horizontal Distance of C.G. from Front Axle

Horizontal Distance of C.G. from Front Axle is the distance of vehicle's center of gravity(C.G.) form front axle measured along wheelbase of vehicle.

Symbol: a

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Horizontal Distance of C.G. from Front Axle

Wheelbase of Vehicle

Wheelbase of Vehicle is the center distance between the front and the rear axle of the vehicle.

Symbol: b

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Wheelbase of Vehicle

Rear Roll Centre Height

Rear Roll Centre Height is the height of the notional point at which the cornering forces in the suspension are reacted to the vehicle body.

Symbol: Z_rr

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Rear Roll Centre Height

Gravitational acceleration on Earth

Gravitational acceleration on Earth means that the velocity of an object in free fall will increase by 9.8 m/s2 every second.

Symbol: [g]

Value: 9.80665 m/s²

Other formulas in Rear Lateral Load Transfer category

Go Rear Lateral Load Transfer

W r = \frac{A y}{[g]} \cdot \frac{m}{t r} \cdot H \cdot \frac{K Φr}{K Φf + K Φr} + \frac{a}{b} \cdot Z rr

Go Lateral Acceleration given Rear Lateral Load Transfer

A y = \frac{W r - \frac{a}{b} \cdot Z rr}{\frac{1}{[g]} \cdot \frac{m}{t r} \cdot H \cdot \frac{K Φr}{K Φf + K Φr}}

How to Evaluate Rear Track Width given Rear Lateral Load Transfer?

Rear Track Width given Rear Lateral Load Transfer evaluator uses Rear Track Width = (Lateral Acceleration/[g]*Mass of Vehicle*Centre of Gravity Distance to Roll Axis*Rear Roll Rate/(Front Roll Rate+Rear Roll Rate))/(Rear Lateral Load Transfer-Horizontal Distance of C.G. from Front Axle/Wheelbase of Vehicle*Rear Roll Centre Height) to evaluate the Rear Track Width, The Rear track width given rear lateral load transfer formula is used to find the distance between the centres of the rear wheels when the rear lateral load transfer is known. Rear Track Width is denoted by t_r symbol.

How to evaluate Rear Track Width given Rear Lateral Load Transfer using this online evaluator? To use this online evaluator for Rear Track Width given Rear Lateral Load Transfer, enter Lateral Acceleration (A_y), Mass of Vehicle (m), Centre of Gravity Distance to Roll Axis (H), Rear Roll Rate (K_Φr), Front Roll Rate (K_Φf), Rear Lateral Load Transfer (W_r), Horizontal Distance of C.G. from Front Axle (a), Wheelbase of Vehicle (b) & Rear Roll Centre Height (Z_rr) and hit the calculate button.

FAQs on Rear Track Width given Rear Lateral Load Transfer

What is the formula to find Rear Track Width given Rear Lateral Load Transfer?

The formula of Rear Track Width given Rear Lateral Load Transfer is expressed as Rear Track Width = (Lateral Acceleration/[g]*Mass of Vehicle*Centre of Gravity Distance to Roll Axis*Rear Roll Rate/(Front Roll Rate+Rear Roll Rate))/(Rear Lateral Load Transfer-Horizontal Distance of C.G. from Front Axle/Wheelbase of Vehicle*Rear Roll Centre Height). Here is an example- 1.403696 = (9.81/[g]*155*3.4907*67800/(94900+67800))/(161.87-27/2.7*0.0762).

How to calculate Rear Track Width given Rear Lateral Load Transfer?

With Lateral Acceleration (A_y), Mass of Vehicle (m), Centre of Gravity Distance to Roll Axis (H), Rear Roll Rate (K_Φr), Front Roll Rate (K_Φf), Rear Lateral Load Transfer (W_r), Horizontal Distance of C.G. from Front Axle (a), Wheelbase of Vehicle (b) & Rear Roll Centre Height (Z_rr) we can find Rear Track Width given Rear Lateral Load Transfer using the formula - Rear Track Width = (Lateral Acceleration/[g]*Mass of Vehicle*Centre of Gravity Distance to Roll Axis*Rear Roll Rate/(Front Roll Rate+Rear Roll Rate))/(Rear Lateral Load Transfer-Horizontal Distance of C.G. from Front Axle/Wheelbase of Vehicle*Rear Roll Centre Height). This formula also uses Gravitational acceleration on Earth constant(s).

Can the Rear Track Width given Rear Lateral Load Transfer be negative?

No, the Rear Track Width given Rear Lateral Load Transfer, measured in Length cannot be negative.

Which unit is used to measure Rear Track Width given Rear Lateral Load Transfer?

Rear Track Width given Rear Lateral Load Transfer 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 Rear Lateral Load Transfer can be measured.

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Rear Track Width given Rear Lateral Load Transfer Formula

Rear Track Width given Rear Lateral Load Transfer Example

Rear Track Width given Rear Lateral Load Transfer Solution

Rear Track Width given Rear Lateral Load Transfer Formula Elements

Other formulas in Rear Lateral Load Transfer category

How to Evaluate Rear Track Width given Rear Lateral Load Transfer?

FAQs on Rear Track Width given Rear Lateral Load Transfer

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