1. What is Engine Displacement?

Engine displacement is the total volume of all the cylinders in an engine. It's a key measurement that indicates the engine's size and potential power output, typically measured in cubic inches or liters.

2. How Does the Calculator Work?

The calculator uses the engine displacement formula:

Where:

• \( Cyl_{we} \) — Number of cylinders
• \( B_{we} \) — Bore diameter (inches)
• \( S_{we} \) — Stroke length (inches)
• \( \pi \) — Mathematical constant (approximately 3.14159)

Explanation: The formula calculates the volume of a single cylinder (π × radius² × height) and multiplies it by the number of cylinders to get total displacement.

3. Importance of Engine Displacement

Details: Engine displacement is a primary indicator of an engine's power potential. Larger displacement engines typically produce more power and torque, but may have lower fuel efficiency.

4. Using the Calculator

Tips: Enter the number of cylinders, bore diameter in inches, and stroke length in inches. All values must be positive numbers for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between bore and stroke?
A: Bore is the diameter of each cylinder, while stroke is the distance the piston travels within the cylinder.

Q2: How does displacement relate to engine power?
A: Generally, larger displacement means more air/fuel mixture can be burned, producing more power, though engine design and technology also significantly impact power output.

Q3: Can I convert cubic inches to liters?
A: Yes, 1 liter = approximately 61.02 cubic inches. To convert, divide cubic inches by 61.02.

Q4: What is a typical displacement range for passenger vehicles?
A: Most modern passenger vehicles have displacements between 1.0L (61 cubic inches) and 6.0L (366 cubic inches).

Q5: Does displacement affect fuel economy?
A: Generally, larger displacement engines consume more fuel, but modern technologies like turbocharging and cylinder deactivation can improve efficiency.