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Radius of Drum Brake given Braking Torque Formula

GoRadius of Drum given Distance from Center of Drum to Pivoted Shoe Formula

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The Radius of Brake Drum is any of the line segments from the brake drum's center to its circumference. Check FAQs

r = \frac{M f}{μ \cdot N}

r - Radius of Brake Drum?M_f - Braking or Fixing Torque on Fixed Member?μ - Coefficient of Friction For Brake?N - Normal Reaction on Brake?

Radius of Drum Brake given Braking Torque Example

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Here is how the Radius of Drum Brake given Braking Torque equation looks like with Values.

Here is how the Radius of Drum Brake given Braking Torque equation looks like with Units.

Here is how the Radius of Drum Brake given Braking Torque equation looks like.

300 = \frac{609000}{0.35 \cdot 5800}

300mm = \frac{609000N*mm}{0.35 \cdot 5800N}

300 = \frac{609000}{0.35 \cdot 5800}

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Radius of Drum Brake given Braking Torque Solution

Follow our step by step solution on how to calculate Radius of Drum Brake given Braking Torque?

FIRST Step Consider the formula

r = \frac{M f}{μ \cdot N}

Next Step Substitute values of Variables

∴

r = \frac{609000N*mm}{0.35 \cdot 5800N}

Next Step Convert Units

∴

r = \frac{609N*m}{0.35 \cdot 5800N}

Next Step Prepare to Evaluate

∴

r = \frac{609}{0.35 \cdot 5800}

Next Step Evaluate

∴

r = 0.3m

LAST Step Convert to Output's Unit

∴

r = 300mm

Radius of Drum Brake given Braking Torque Formula Elements

Variables

Radius of Brake Drum

The Radius of Brake Drum is any of the line segments from the brake drum's center to its circumference.

Symbol: r

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Radius of Brake Drum

Braking or Fixing Torque on Fixed Member

Braking or fixing torque on fixed member is the measure of the force that can cause an object to rotate about an axis.

Symbol: M_f

Measurement: TorqueUnit: N*mm

Note: Value should be greater than 0.

Formulas to find Braking or Fixing Torque on Fixed Member

Coefficient of Friction For Brake

Coefficient of Friction For Brake is the ratio defining the force that resists the motion of the brake pad in relation to the brake disc or drum in contact with it.

Symbol: μ

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Coefficient of Friction For Brake

Normal Reaction on Brake

Normal Reaction on Brake is the force exerted by the drum or the disc onto the brake or vice versa.

Symbol: N

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Normal Reaction on Brake

Other Formulas to find Radius of Brake Drum

Go Radius of Drum given Distance from Center of Drum to Pivoted Shoe

r = h \cdot \frac{2 \cdot θ w + \sin (2 \cdot θ w)}{4 \cdot \sin (θ w)}

Other formulas in Block Brake category

Go Equivalent Coefficient of Friction in Block Brake with Long Shoe

µ' = μ \cdot (\frac{4 \cdot \sin (θ w)}{2 \cdot θ w + \sin (2 \cdot θ w)})

Go Actual Coefficient of Friction given Equivalent Coefficient of Friction

μ = \frac{µ'}{\frac{4 \cdot \sin (θ w)}{2 \cdot θ w + \sin (2 \cdot θ w)}}

Go Braking Torque when Brakes are Applied

M f = μ \cdot N \cdot r

Go Coefficient of Friction given Braking Torque

μ = \frac{M f}{N \cdot r}

How to Evaluate Radius of Drum Brake given Braking Torque?

Radius of Drum Brake given Braking Torque evaluator uses Radius of Brake Drum = Braking or Fixing Torque on Fixed Member/(Coefficient of Friction For Brake*Normal Reaction on Brake) to evaluate the Radius of Brake Drum, The Radius of Drum Brake given Braking Torque formula is defined as radius of drum brake when we are applying Brakes. Radius of Brake Drum is denoted by r symbol.

How to evaluate Radius of Drum Brake given Braking Torque using this online evaluator? To use this online evaluator for Radius of Drum Brake given Braking Torque, enter Braking or Fixing Torque on Fixed Member (M_f), Coefficient of Friction For Brake (μ) & Normal Reaction on Brake (N) and hit the calculate button.

FAQs on Radius of Drum Brake given Braking Torque

What is the formula to find Radius of Drum Brake given Braking Torque?

The formula of Radius of Drum Brake given Braking Torque is expressed as Radius of Brake Drum = Braking or Fixing Torque on Fixed Member/(Coefficient of Friction For Brake*Normal Reaction on Brake). Here is an example- 300000 = 609/(0.35*5800).

How to calculate Radius of Drum Brake given Braking Torque?

With Braking or Fixing Torque on Fixed Member (M_f), Coefficient of Friction For Brake (μ) & Normal Reaction on Brake (N) we can find Radius of Drum Brake given Braking Torque using the formula - Radius of Brake Drum = Braking or Fixing Torque on Fixed Member/(Coefficient of Friction For Brake*Normal Reaction on Brake).

What are the other ways to Calculate Radius of Brake Drum?

Here are the different ways to Calculate Radius of Brake Drum-

Radius of Brake Drum=Distance From Center of Drum to Pivot*(2*Semi-Block Angle+sin(2*Semi-Block Angle))/(4*sin(Semi-Block Angle))

Can the Radius of Drum Brake given Braking Torque be negative?

No, the Radius of Drum Brake given Braking Torque, measured in Length cannot be negative.

Which unit is used to measure Radius of Drum Brake given Braking Torque?

Radius of Drum Brake given Braking Torque is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Radius of Drum Brake given Braking Torque can be measured.

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Radius of Drum Brake given Braking Torque Formula

​GoRadius of Drum given Distance from Center of Drum to Pivoted Shoe Formula

Radius of Drum Brake given Braking Torque Example

Radius of Drum Brake given Braking Torque Solution

Radius of Drum Brake given Braking Torque Formula Elements

Other Formulas to find Radius of Brake Drum

Other formulas in Block Brake category

How to Evaluate Radius of Drum Brake given Braking Torque?

FAQs on Radius of Drum Brake given Braking Torque

Variable Name

GoRadius of Drum given Distance from Center of Drum to Pivoted Shoe Formula