Engine Displacement

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Engine Displacement:

Engine displacement is defined as the total volume of air/fuel mixture an engine can draw in during one complete engine cycle; it is normally stated in cubic centimeters, liters or cubic inches. In a piston engine, this is the volume that is swept as the piston is moved from top dead center to bottom dead center. The volume of a cylinder is given by the formula: volume = radius (squared) x Pi x the height of the cylinder. In an engine the volume is the displacement, the height would be the stroke of the piston, and the radius would be half of the diameter of the cylinder.