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Drawbar Pull Calculator

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✖Torque Generated is defined as the torque derived from the engine working at the crankshaft.ⓘ Torque Generated [T_g]			+10% -10%
✖Overall Gear Reduction is defined as a mechanical system of gears in an arrangement such that input speed can be lowered to a slower output speed but have the same or more output torque.ⓘ Overall Gear Reduction [R_g]			+10% -10%
✖Rolling Radius of Loaded Driving Tire is defined as the radius of loaded driving tire.ⓘ Rolling Radius of Loaded Driving Tire [r]			+10% -10%
✖Rolling Resistance at Wheel is defined as the force that resists the motion of a wheel rolling on a surface or ground.ⓘ Rolling Resistance at Wheel [F_r]			+10% -10%

✖Drawbar Pull is defined as the force acting on the driving axle excluding the rolling resistance.ⓘ Drawbar Pull [Dp]

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Drawbar Pull Solution

STEP 0: Pre-Calculation Summary

Formula Used

Drawbar Pull = (Torque Generated*Overall Gear Reduction*1000)/Rolling Radius of Loaded Driving Tire-Rolling Resistance at Wheel
Dp = (T_g*R_g*1000)/r-F_r
This formula uses 5 Variables

Variables Used

Drawbar Pull - (Measured in Newton) - Drawbar Pull is defined as the force acting on the driving axle excluding the rolling resistance.
Torque Generated - (Measured in Newton Meter) - Torque Generated is defined as the torque derived from the engine working at the crankshaft.
Overall Gear Reduction - Overall Gear Reduction is defined as a mechanical system of gears in an arrangement such that input speed can be lowered to a slower output speed but have the same or more output torque.
Rolling Radius of Loaded Driving Tire - (Measured in Meter) - Rolling Radius of Loaded Driving Tire is defined as the radius of loaded driving tire.
Rolling Resistance at Wheel - (Measured in Newton) - Rolling Resistance at Wheel is defined as the force that resists the motion of a wheel rolling on a surface or ground.

STEP 1: Convert Input(s) to Base Unit

Torque Generated: 115 Newton Millimeter --> 0.115 Newton Meter (Check conversion here)
Overall Gear Reduction: 10 --> No Conversion Required
Rolling Radius of Loaded Driving Tire: 0.4 Meter --> 0.4 Meter No Conversion Required
Rolling Resistance at Wheel: 21 Newton --> 21 Newton No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Dp = (T_g*R_g*1000)/r-F_r --> (0.115*10*1000)/0.4-21

Evaluating ... ...

Dp = 2854

STEP 3: Convert Result to Output's Unit

2854 Newton --> No Conversion Required

FINAL ANSWER

2854 Newton <-- Drawbar Pull

(Calculation completed in 00.004 seconds)

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Created by Syed Adnan

Ramaiah University of Applied Sciences (RUAS), bangalore

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Drawbar Pull Formula

LaTeX Go

Drawbar Pull = (Torque Generated*Overall Gear Reduction*1000)/Rolling Radius of Loaded Driving Tire-Rolling Resistance at Wheel
Dp = (T_g*R_g*1000)/r-F_r

What is the drawbar pull on the driving axle?

The torque on the driving axle creates a force between the tyres and the road which is used to propel the vehicle. This gross force is termed the tractive effort and the net force, that is, gross force minus rolling resistance is the drawbar pull.

How to Calculate Drawbar Pull?

Drawbar Pull calculator uses Drawbar Pull = (Torque Generated*Overall Gear Reduction*1000)/Rolling Radius of Loaded Driving Tire-Rolling Resistance at Wheel to calculate the Drawbar Pull, The Drawbar pull formula is defined as the net force acting on the driving axle neglecting the rolling resistance on the wheels. Drawbar Pull is denoted by Dp symbol.

How to calculate Drawbar Pull using this online calculator? To use this online calculator for Drawbar Pull, enter Torque Generated (T_g), Overall Gear Reduction (R_g), Rolling Radius of Loaded Driving Tire (r) & Rolling Resistance at Wheel (F_r) and hit the calculate button. Here is how the Drawbar Pull calculation can be explained with given input values -> 2854 = (0.115*10*1000)/0.4-21.

FAQ

What is Drawbar Pull?

The Drawbar pull formula is defined as the net force acting on the driving axle neglecting the rolling resistance on the wheels and is represented as Dp = (T_g*R_g*1000)/r-F_r or Drawbar Pull = (Torque Generated*Overall Gear Reduction*1000)/Rolling Radius of Loaded Driving Tire-Rolling Resistance at Wheel. Torque Generated is defined as the torque derived from the engine working at the crankshaft, Overall Gear Reduction is defined as a mechanical system of gears in an arrangement such that input speed can be lowered to a slower output speed but have the same or more output torque, Rolling Radius of Loaded Driving Tire is defined as the radius of loaded driving tire & Rolling Resistance at Wheel is defined as the force that resists the motion of a wheel rolling on a surface or ground.

How to calculate Drawbar Pull?

The Drawbar pull formula is defined as the net force acting on the driving axle neglecting the rolling resistance on the wheels is calculated using Drawbar Pull = (Torque Generated*Overall Gear Reduction*1000)/Rolling Radius of Loaded Driving Tire-Rolling Resistance at Wheel. To calculate Drawbar Pull, you need Torque Generated (T_g), Overall Gear Reduction (R_g), Rolling Radius of Loaded Driving Tire (r) & Rolling Resistance at Wheel (F_r). With our tool, you need to enter the respective value for Torque Generated, Overall Gear Reduction, Rolling Radius of Loaded Driving Tire & Rolling Resistance at Wheel 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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