Home
Back
Motor Torque Formula:
| From: | To: |
Motor torque is a measure of the rotational force produced by an engine or motor. It represents the engine's ability to perform work and is a crucial parameter in mechanical engineering and automotive applications.
The calculator uses the torque formula:
Where:
Explanation: This formula calculates the torque output of a motor based on its horsepower and rotational speed. The constant 5252 comes from the conversion between different units of power and rotational speed.
Details: Torque calculation is essential for understanding engine performance, designing mechanical systems, selecting appropriate motors for applications, and optimizing power transmission systems.
Tips: Enter horsepower (HP) and RPM values. Both values must be positive numbers. The calculator will compute the torque in pound-feet (lb-ft).
Q1: Why is 5252 used in the torque formula?
A: 5252 is a conversion constant that comes from the relationship between horsepower, torque, and RPM. It's derived from the definition of horsepower (1 HP = 550 ft-lb/s) and unit conversions.
Q2: What's the difference between torque and horsepower?
A: Torque measures rotational force, while horsepower measures the rate at which work is done. Horsepower = (Torque × RPM) / 5252.
Q3: How does torque affect vehicle performance?
A: Higher torque generally means better acceleration and towing capacity. Diesel engines typically produce higher torque at lower RPMs compared to gasoline engines.
Q4: Can this formula be used for electric motors?
A: Yes, the formula works for any rotational power source, including electric motors, internal combustion engines, and turbines.
Q5: How do I convert lb-ft to Newton-meters?
A: Multiply lb-ft by 1.35582 to convert to Newton-meters (N·m).