A nine-cylinder engine with a bore of 5.5 inches and a stroke of 6 inches will have a total piston displacement of?

To determine the total piston displacement of a nine-cylinder engine, you can use the formula for calculating the displacement of a single cylinder and then multiply it by the number of cylinders. The formula for the displacement of a single cylinder is:

[ \text{Displacement} = \frac{\pi}{4} \times \text{Bore}^2 \times \text{Stroke} ]

Where:

• Bore is the diameter of the cylinder (in inches).

• Stroke is the length of the piston travel (in inches).

• π (pi) is approximately 3.14159.

First, calculate the displacement of one cylinder with a bore of 5.5 inches and a stroke of 6 inches:

1. Calculate the area of the cylinder:

• Bore in inches is 5.5, so the radius is 5.5/2 = 2.75 inches.

• Area = π × (2.75 inches)² = π × 7.5625 square inches ≈ 23.764 square inches (using π ≈ 3.14).

2. Calculate the displacement of one cylinder:

• Displacement = Area × Stroke

• Displacement = 23.764