1. What is the Torque Equation?

The torque equation calculates the torque output of an electric motor based on its horsepower and rotational speed. Torque is a measure of the rotational force produced by the motor.

2. How Does the Calculator Work?

The calculator uses the torque equation:

Where:

• \( T \) — Torque (lb-ft)
• \( HP \) — Horsepower
• \( RPM \) — Revolutions per minute
• 5252 — Conversion constant

Explanation: The equation relates the power output (horsepower) and rotational speed (RPM) of an electric motor to determine its torque output.

3. Importance of Torque Calculation

Details: Accurate torque calculation is crucial for motor selection, mechanical system design, and ensuring proper performance in various applications.

4. Using the Calculator

Tips: Enter horsepower and RPM values. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Why is 5252 used in the torque equation?
A: 5252 is the conversion constant that relates horsepower and RPM to torque in lb-ft units, derived from the relationship between power, torque, and rotational speed.

Q2: What are typical torque values for electric motors?
A: Torque values vary significantly based on motor size and type, ranging from fractional lb-ft for small motors to thousands of lb-ft for large industrial motors.

Q3: How does torque relate to motor performance?
A: Torque determines a motor's ability to overcome resistance and perform work. Higher torque allows motors to handle heavier loads and accelerate faster.

Q4: Are there limitations to this equation?
A: This equation provides theoretical maximum torque and assumes 100% efficiency. Actual torque may vary due to mechanical losses, temperature, and other factors.

Q5: Can this equation be used for all types of motors?
A: While the fundamental relationship applies to all rotational machines, specific motor types (AC, DC, brushless, etc.) may have additional factors affecting torque output.