Braking Torque for Double Block or Shoe Brake Calculator

✖Braking forces on the block 1 is the tangential friction force acting between the brake pads and disc.ⓘ Braking forces on the block 1 [F_t1]			+10% -10%
✖Braking forces on the block 2 is the tangential friction force acting between the brake pads and disc.ⓘ Braking forces on the block 2 [F_t2]			+10% -10%
✖The Radius of Wheel is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.ⓘ Radius of Wheel [r_wheel]			+10% -10%

✖Braking or fixing torque on fixed member is the measure of the force that can cause an object to rotate about an axis.ⓘ Braking Torque for Double Block or Shoe Brake [M_t]

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Formula

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Braking Torque for Double Block or Shoe Brake

Formula

`"M"_{"t"} = ("F"_{"t1"}+"F"_{"t2"})*"r"_{"wheel"}`

Example

`"37.8N*m"=("8N"+"12N")*"1.89m"`

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Download Brakes and Dynamometers Formula PDF

Braking Torque for Double Block or Shoe Brake Solution

STEP 0: Pre-Calculation Summary

Formula Used

Braking or fixing torque on fixed member = (Braking forces on the block 1+Braking forces on the block 2)*Radius of Wheel
M_t = (F_t1+F_t2)*r_wheel
This formula uses 4 Variables

Variables Used

Braking or fixing torque on fixed member - (Measured in Newton Meter) - Braking or fixing torque on fixed member is the measure of the force that can cause an object to rotate about an axis.
Braking forces on the block 1 - (Measured in Newton) - Braking forces on the block 1 is the tangential friction force acting between the brake pads and disc.
Braking forces on the block 2 - (Measured in Newton) - Braking forces on the block 2 is the tangential friction force acting between the brake pads and disc.
Radius of Wheel - (Measured in Meter) - The Radius of Wheel is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.

STEP 1: Convert Input(s) to Base Unit

Braking forces on the block 1: 8 Newton --> 8 Newton No Conversion Required
Braking forces on the block 2: 12 Newton --> 12 Newton No Conversion Required
Radius of Wheel: 1.89 Meter --> 1.89 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

M_t = (F_t1+F_t2)*r_wheel --> (8+12)*1.89

Evaluating ... ...

M_t = 37.8

STEP 3: Convert Result to Output's Unit

37.8 Newton Meter --> No Conversion Required

FINAL ANSWER

37.8 Newton Meter <-- Braking or fixing torque on fixed member

(Calculation completed in 00.020 seconds)

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National Institute Of Technology (NIT), Hamirpur

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< 12 Braking Torque Calculators

Braking Torque for Shoe Brake if Line of Action of Tangential Force Passes above Fulcrum Anti Clock

Go Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Radius of Wheel*Force applied at the end of the lever*Distance b/w fulcrum and end of lever)/(Distance b/w fulcrum and axis of wheel+Coefficient of Friction for Brake*Shift in line of action of tangential force)

Braking Torque of Shoe Brake if Line of Action of Tangential Force Passes below Fulcrum Anti Clock

Go Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Radius of Wheel*Force applied at the end of the lever*Distance b/w fulcrum and end of lever)/(Distance b/w fulcrum and axis of wheel-Coefficient of Friction for Brake*Shift in line of action of tangential force)

Braking Torque of Shoe Brake if Line of Action of Tangential Force Passes above Fulcrum Clockwise

Go Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Radius of Wheel*Force applied at the end of the lever*Distance b/w fulcrum and end of lever)/(Distance b/w fulcrum and axis of wheel-Coefficient of Friction for Brake*Shift in line of action of tangential force)

Braking Torque of Shoe Brake if Line of Action of Tangential Force Passes below Fulcrum Clockwise

Braking Torque for Shoe Brake given Force Applied at End of Lever

Go Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Force applied at the end of the lever*Distance b/w fulcrum and end of lever*Radius of Wheel)/Distance b/w fulcrum and axis of wheel

Braking Torque for Pivoted Block or Shoe Brake

Go Braking or fixing torque on fixed member = Equivalent Coefficient of Friction*Normal force pressing the brake block on the wheel*Radius of Wheel

Braking Torque on Drum for Simple Band Brake Considering Band Thickness

Go Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Effective radius of the drum

Braking Torque for Band and Block Brake, Considering Thickness of Band

Go Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Effective radius of the drum

Braking Torque on Drum for Simple Band Brake, Neglecting Thickness of Band

Go Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Radius of the drum

Braking Torque for Band and Block Brake, Neglecting Thickness of Band

Go Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Radius of the drum

Braking Torque for Double Block or Shoe Brake

Go Braking or fixing torque on fixed member = (Braking forces on the block 1+Braking forces on the block 2)*Radius of Wheel

Braking Torque for Shoe Brake

Go Braking or fixing torque on fixed member = Tangential Braking Force*Radius of Wheel

Braking Torque for Double Block or Shoe Brake Formula

Braking or fixing torque on fixed member = (Braking forces on the block 1+Braking forces on the block 2)*Radius of Wheel
M_t = (F_t1+F_t2)*r_wheel

What is braking torque?

Brake torque is essentially the power of the braking system. The brake caliper acts on the disc at a certain distance from the hub center, known as the effective radius. The force exerted by the caliper, multiplied by the effective radius of the system equals the brake torque.

How to Calculate Braking Torque for Double Block or Shoe Brake?

Braking Torque for Double Block or Shoe Brake calculator uses Braking or fixing torque on fixed member = (Braking forces on the block 1+Braking forces on the block 2)*Radius of Wheel to calculate the Braking or fixing torque on fixed member, The Braking torque for double block or shoe brake formula is defined as the power of the braking system. Braking or fixing torque on fixed member is denoted by M_t symbol.

How to calculate Braking Torque for Double Block or Shoe Brake using this online calculator? To use this online calculator for Braking Torque for Double Block or Shoe Brake, enter Braking forces on the block 1 (F_t1), Braking forces on the block 2 (F_t2) & Radius of Wheel (r_wheel) and hit the calculate button. Here is how the Braking Torque for Double Block or Shoe Brake calculation can be explained with given input values -> 37.8 = (8+12)*1.89.

FAQ

What is Braking Torque for Double Block or Shoe Brake?

The Braking torque for double block or shoe brake formula is defined as the power of the braking system and is represented as M_t = (F_t1+F_t2)*r_wheel or Braking or fixing torque on fixed member = (Braking forces on the block 1+Braking forces on the block 2)*Radius of Wheel. Braking forces on the block 1 is the tangential friction force acting between the brake pads and disc, Braking forces on the block 2 is the tangential friction force acting between the brake pads and disc & The Radius of Wheel is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.

How to calculate Braking Torque for Double Block or Shoe Brake?

The Braking torque for double block or shoe brake formula is defined as the power of the braking system is calculated using Braking or fixing torque on fixed member = (Braking forces on the block 1+Braking forces on the block 2)*Radius of Wheel. To calculate Braking Torque for Double Block or Shoe Brake, you need Braking forces on the block 1 (F_t1), Braking forces on the block 2 (F_t2) & Radius of Wheel (r_wheel). With our tool, you need to enter the respective value for Braking forces on the block 1, Braking forces on the block 2 & Radius of Wheel and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Braking or fixing torque on fixed member?

In this formula, Braking or fixing torque on fixed member uses Braking forces on the block 1, Braking forces on the block 2 & Radius of Wheel. We can use 11 other way(s) to calculate the same, which is/are as follows -

Braking or fixing torque on fixed member = Equivalent Coefficient of Friction*Normal force pressing the brake block on the wheel*Radius of Wheel
Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Effective radius of the drum
Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Radius of the drum
Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Radius of Wheel*Force applied at the end of the lever*Distance b/w fulcrum and end of lever)/(Distance b/w fulcrum and axis of wheel+Coefficient of Friction for Brake*Shift in line of action of tangential force)
Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Force applied at the end of the lever*Distance b/w fulcrum and end of lever*Radius of Wheel)/Distance b/w fulcrum and axis of wheel
Braking or fixing torque on fixed member = Tangential Braking Force*Radius of Wheel
Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Radius of Wheel*Force applied at the end of the lever*Distance b/w fulcrum and end of lever)/(Distance b/w fulcrum and axis of wheel-Coefficient of Friction for Brake*Shift in line of action of tangential force)
Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Radius of Wheel*Force applied at the end of the lever*Distance b/w fulcrum and end of lever)/(Distance b/w fulcrum and axis of wheel-Coefficient of Friction for Brake*Shift in line of action of tangential force)
Braking or fixing torque on fixed member = (Coefficient of Friction for Brake*Radius of Wheel*Force applied at the end of the lever*Distance b/w fulcrum and end of lever)/(Distance b/w fulcrum and axis of wheel+Coefficient of Friction for Brake*Shift in line of action of tangential force)
Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Effective radius of the drum
Braking or fixing torque on fixed member = (Tension in Tight Side of the Band-Tension in the slack side of band)*Radius of the drum

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