1. What Is Torque Ratio?

Torque ratio is a measure of how much torque is multiplied or reduced through a vehicle's drivetrain. It represents the relationship between the torque produced by the engine and the torque delivered to the wheels.

2. How Does The Calculator Work?

The calculator uses the torque ratio formula:

Where:

• \( Engine\ Torque \) — Torque produced by the engine (Nm)
• \( Wheel\ Torque \) — Torque delivered to the wheels (Nm)

Explanation: This simple ratio shows how much the drivetrain (transmission, differential, etc.) is multiplying or reducing the engine's torque output.

3. Importance Of Torque Ratio

Details: Understanding torque ratio helps in analyzing vehicle performance, acceleration characteristics, and overall drivetrain efficiency. It's particularly important for tuning vehicles and comparing different drivetrain configurations.

4. Using The Calculator

Tips: Enter both engine torque and wheel torque values in Newton-meters (Nm). Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is a typical torque ratio for passenger cars?
A: Most passenger cars have torque ratios between 10:1 and 15:1, depending on gear selection and drivetrain configuration.

Q2: How does gear selection affect torque ratio?
A: Lower gears provide higher torque multiplication, resulting in a higher ratio, while higher gears provide less multiplication.

Q3: Why would the ratio be less than 1?
A: A ratio less than 1 would indicate that wheel torque is greater than engine torque, which is not physically possible in standard drivetrains due to mechanical losses.

Q4: How accurate is this calculation?
A: This provides a basic ratio calculation. Actual drivetrain efficiency may vary due to mechanical losses, temperature, and other factors.

Q5: Can this calculator be used for electric vehicles?
A: Yes, the same principle applies to electric vehicles, though their torque characteristics may differ from internal combustion engines.