? Type of input energy (electrical motor, internal combustion engine with mechanical or hydraulic drive).
? Type of tools to get driven.
? Amount of horsepower required to supply suffi cient energy for the driven shaft.
? Full load pace in the quickest running shaft (rpm).
? 
Desired speed from the slow working shaft ( or the required pace ratio). NOTE: If speeds are variable decide the horsepower to become transmitted at every velocity.
? Diameters in the drive and driven shafts . . . This worth may possibly restrict the minimal quantity of teeth to the sprockets.
? Center distance on the shafts.
? Note the position and any area limitations that could exist. Normally these limitations are about the optimum diameter of sprockets (this restricts the use of single strand chains) or even the width of your chain (this restricts the use of multi-strand chains).
? Conditions in the drive including a determination in the class of load (uniform, moderate or heavy), significant working temperatures or chemically aggressive environments needs to be noted.
Abbreviations Utilized in Equations
N Variety of teeth on the massive sprocket.
n Amount of teeth on the small sprocket.
R Speed in revolutions per minute (rpm) from the massive sprocket.
r Speed in revolutions per minute (rpm) of the little sprocket.
C Shaft center distance in chain pitches.
HP Horsepower rating in the drive motor or engine.
KW Kilowatt power rating of drive motor or engine if applying metric units.
SF Service Factor
Required Information For Drive Chain Variety
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