Determining RPM of a Belt Driven Blower

How can the RPM of a belt driven blower be determined?

A. Multiplying motor RPM and motor sheave diameter and then divide by the fan sheave diameter.

B. Multiplying motor and fan sheave diameter and then divide by the motor RPM.

C. Multiplying motor RPM and fan sheave diameter and then divide by the motor sheave diameter.

D. Multiplying motor and fan sheave diameter and then dividing that total into the motor RPM.

Answer

The RPM of a belt driven blower can be determined by multiplying the motor RPM and the fan sheave diameter, and dividing that product by the motor sheave diameter.

To determine the RPM of a belt driven blower, the correct formula is to multiply the motor RPM by the fan sheave diameter, and then divide that product by the motor sheave diameter. Mathematically, this formula can be expressed as: RPM = (Motor RPM * Fan Sheave Diameter) / Motor Sheave Diameter.

For example, if the motor RPM is 1000, the fan sheave diameter is 10 inches, and the motor sheave diameter is 2 inches, the RPM of the blower would be: RPM = (1000 * 10) / 2 = 5000.

It's important to use the correct formula to ensure accurate results when determining the RPM of a belt driven blower. Understanding this calculation can help in sizing and selecting the right blower for specific applications.

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