Multiple Gears Mechanical Advantage Calculations and Equations - Pitch Circles of Gears

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Multiple Gears Mechanical Advantage Calculations and Equations

Use the following equation to determine the lifting force of the selected spur gear arrangement. Z, Y, X and D are the pitch circles of gears.

F = [ W x r x r₁ x r₂ ]/[ R x R₁ x R₂ ]

W = [ F x R x R₁ x R₂ ]/[ r x r₁ x r₂ ]

Where:

W = Unknown weight
F = Applied force
R = Radius large diameter
r = Radius small diameter

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