Belt-Drive Pulleys

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  1. This calculator can be used to analyze two belt driven pulleys. If any of the following three variables are entered the fourth will be determined: High speed pulley diameter (DH), the low speed pulley diameter (DL), the rotational speed of the high speed pulley (NH), or the rotational speed of the low speed pulley (NL), the calculator will determine the fourth variable.

Input 3 of 4 variables to solve for the unknown.
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SymbolVariableInputUnits
DHHigh Speed Pulley Diameter
DLLow Speed Pulley Diameter
NLRot Speed of the Low Speed Pulley
NHRot Speed of the High Speed Pulley
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