Hauling Capacity of Locomotive Solution

STEP 0: Pre-Calculation Summary
Formula Used
Hauling Capacity of a Locomotive = Coefficient of Friction for locomotive*Weight on driving axle*No of pairs of driving wheels
Hc = μ*w*n
This formula uses 4 Variables
Variables Used
Hauling Capacity of a Locomotive - (Measured in Kilogram) - Hauling Capacity of a Locomotive is the maximum amount of weight that can be filled and carried beyond regular capacity.
Coefficient of Friction for locomotive - coefficient of friction for locomotive between the driving wheels and the rails depends largely upon the two factors called condition of the rail surface and speed of the locomotive.
Weight on driving axle - (Measured in Kilogram) - Weight on driving axle is the weight transmitted by several wheels attached to that axle to the surface on which the locomotive rests.
No of pairs of driving wheels - No of pairs of driving wheels in train usually vary from 260 to 800.These driving wheels are driven by traction motor.
STEP 1: Convert Input(s) to Base Unit
Coefficient of Friction for locomotive: 0.2 --> No Conversion Required
Weight on driving axle: 20 Tonne --> 20000 Kilogram (Check conversion here)
No of pairs of driving wheels: 3 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Hc = μ*w*n --> 0.2*20000*3
Evaluating ... ...
Hc = 12000
STEP 3: Convert Result to Output's Unit
12000 Kilogram --> No Conversion Required
FINAL ANSWER
12000 Kilogram <-- Hauling Capacity of a Locomotive
(Calculation completed in 00.010 seconds)

Credits

Created by Bhuvana Shankar
Parisutham Institute of Technology and Science (PITS), THANJAVUR
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The National Institute of Engineering (NIE), Mysuru
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5 Traction and tractive resistances Calculators

Total Train Resistance
Total Train resistance = 0.0016*Weight of Train+0.00008*Weight of Train* Speed of train+0.0000006*Weight of Train*Speed of train^2 Go
Coefficient of friction for given hauling capacity of locomotive
Coefficient of Friction for locomotive = Hauling Capacity of a Locomotive/(Weight on driving axle*No of pairs of driving wheels) Go
Hauling Capacity of Locomotive
Hauling Capacity of a Locomotive = Coefficient of Friction for locomotive*Weight on driving axle*No of pairs of driving wheels Go
Resistance Due to Gradients
Resistance due to gradients = Weight of Train*(Slope Percentage/100) Go
Wind Resistance
Wind resistance = 0.000017*Exposed area*Velocity of wind^2 Go

Hauling Capacity of Locomotive Formula

Hauling Capacity of a Locomotive = Coefficient of Friction for locomotive*Weight on driving axle*No of pairs of driving wheels
Hc = μ*w*n

Example Problem

Find out the hauling capacity of a locomotive with 3 pairs of driving wheels and an axle load of 20 tonnes. Use 0.2 as coefficient of friction.
solution:
Total load on driving wheels=3*20*1000
=60000Kgs
Hauling Capacity=0.2*60000=12000Kgs
Hauling Capacity of a locomotive=12 tonnes

How to Calculate Hauling Capacity of Locomotive?

Hauling Capacity of Locomotive calculator uses Hauling Capacity of a Locomotive = Coefficient of Friction for locomotive*Weight on driving axle*No of pairs of driving wheels to calculate the Hauling Capacity of a Locomotive, Hauling Capacity of Locomotive Product of coefficient of friction and the total weight on the driving wheels.The coefficient of friction increases with decrease in speed and decreases with increase in speed. Hauling Capacity of a Locomotive is denoted by Hc symbol.

How to calculate Hauling Capacity of Locomotive using this online calculator? To use this online calculator for Hauling Capacity of Locomotive, enter Coefficient of Friction for locomotive (μ), Weight on driving axle (w) & No of pairs of driving wheels (n) and hit the calculate button. Here is how the Hauling Capacity of Locomotive calculation can be explained with given input values -> 12000 = 0.2*20000*3.

FAQ

What is Hauling Capacity of Locomotive?
Hauling Capacity of Locomotive Product of coefficient of friction and the total weight on the driving wheels.The coefficient of friction increases with decrease in speed and decreases with increase in speed and is represented as Hc = μ*w*n or Hauling Capacity of a Locomotive = Coefficient of Friction for locomotive*Weight on driving axle*No of pairs of driving wheels. coefficient of friction for locomotive between the driving wheels and the rails depends largely upon the two factors called condition of the rail surface and speed of the locomotive, Weight on driving axle is the weight transmitted by several wheels attached to that axle to the surface on which the locomotive rests & No of pairs of driving wheels in train usually vary from 260 to 800.These driving wheels are driven by traction motor.
How to calculate Hauling Capacity of Locomotive?
Hauling Capacity of Locomotive Product of coefficient of friction and the total weight on the driving wheels.The coefficient of friction increases with decrease in speed and decreases with increase in speed is calculated using Hauling Capacity of a Locomotive = Coefficient of Friction for locomotive*Weight on driving axle*No of pairs of driving wheels. To calculate Hauling Capacity of Locomotive, you need Coefficient of Friction for locomotive (μ), Weight on driving axle (w) & No of pairs of driving wheels (n). With our tool, you need to enter the respective value for Coefficient of Friction for locomotive, Weight on driving axle & No of pairs of driving wheels 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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