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Velocity Ratio is the distance through which any part of a machine moves to that which the driving part moves during the same time. Check FAQs
Vi=2dldl-ds
Vi - Velocity Ratio?dl - Diameter of Larger Pulley?ds - Diameter of Smaller Pulley?

Velocity Ratio in Weston's Differential Pulley Block Example

With values
With units
Only example

Here is how the Velocity Ratio in Weston's Differential Pulley Block equation looks like with Values.

Here is how the Velocity Ratio in Weston's Differential Pulley Block equation looks like with Units.

Here is how the Velocity Ratio in Weston's Differential Pulley Block equation looks like.

6Edit=20.06Edit0.06Edit-0.04Edit
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Velocity Ratio in Weston's Differential Pulley Block Solution

Follow our step by step solution on how to calculate Velocity Ratio in Weston's Differential Pulley Block?

FIRST Step Consider the formula
Vi=2dldl-ds
Next Step Substitute values of Variables
Vi=20.06m0.06m-0.04m
Next Step Prepare to Evaluate
Vi=20.060.06-0.04
LAST Step Evaluate
Vi=6

Velocity Ratio in Weston's Differential Pulley Block Formula Elements

Variables
Velocity Ratio
Velocity Ratio is the distance through which any part of a machine moves to that which the driving part moves during the same time.
Symbol: Vi
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Diameter of Larger Pulley
Diameter of Larger Pulley is the greater value of the diameter between the two pulleys.
Symbol: dl
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Diameter of Smaller Pulley
Diameter of smaller pulley is the smaller value of diameter between the two pulleys.
Symbol: ds
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other Formulas to find Velocity Ratio

​Go Velocity Ratio in Weston's Differential Pulley given Number of Teeth
Vi=2T1T1-T2
​Go Velocity Ratio in Weston's Differential Pulley given Radius of Pulleys
Vi=2r1r1-r2
​Go Velocity Ratio of Worm Geared Pulley Block
Vi=dwTwR

Other formulas in Pulley Block category

​Go Net Shortening of Chain in Weston's Differential Pulley Block
Lc=π(dl-ds)
​Go Efficiency of Weston's Differential Pulley Block
η=MaVi
​Go Net Shortening of String in Worm Gear Pulley Block
Ls=2πRTw
​Go Efficiency of Geared Pulley Block
η=MaVi

How to Evaluate Velocity Ratio in Weston's Differential Pulley Block?

Velocity Ratio in Weston's Differential Pulley Block evaluator uses Velocity Ratio = (2*Diameter of Larger Pulley)/(Diameter of Larger Pulley-Diameter of Smaller Pulley) to evaluate the Velocity Ratio, Velocity Ratio in Weston's Differential Pulley Block is a measure of the mechanical advantage provided by the system. It represents the ratio of the distance moved by the effort (the chain pulled) to the distance moved by the load. Velocity Ratio is denoted by Vi symbol.

How to evaluate Velocity Ratio in Weston's Differential Pulley Block using this online evaluator? To use this online evaluator for Velocity Ratio in Weston's Differential Pulley Block, enter Diameter of Larger Pulley (dl) & Diameter of Smaller Pulley (ds) and hit the calculate button.

FAQs on Velocity Ratio in Weston's Differential Pulley Block

What is the formula to find Velocity Ratio in Weston's Differential Pulley Block?
The formula of Velocity Ratio in Weston's Differential Pulley Block is expressed as Velocity Ratio = (2*Diameter of Larger Pulley)/(Diameter of Larger Pulley-Diameter of Smaller Pulley). Here is an example- 6 = (2*0.06)/(0.06-0.04).
How to calculate Velocity Ratio in Weston's Differential Pulley Block?
With Diameter of Larger Pulley (dl) & Diameter of Smaller Pulley (ds) we can find Velocity Ratio in Weston's Differential Pulley Block using the formula - Velocity Ratio = (2*Diameter of Larger Pulley)/(Diameter of Larger Pulley-Diameter of Smaller Pulley).
What are the other ways to Calculate Velocity Ratio?
Here are the different ways to Calculate Velocity Ratio-
  • Velocity Ratio=2*Number of Teeth of Larger Pulley/(Number of Teeth of Larger Pulley-Number of Teeth of Smaller Pulley)OpenImg
  • Velocity Ratio=2*Radius of Larger Pulley/(Radius of Larger Pulley-Radius of Smaller Pulley)OpenImg
  • Velocity Ratio=(Diameter of Effort Wheel*Number of Teeth on Worm Wheel)/Radius of PulleyOpenImg
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