PRIN. OF INTERNAL COMBUSTION ENGINES - OD1619 LESSON 1/TASK 1
FIGURE 5. INTAKE AND EXHAUST PORTS AND VALVES.
FIGURE 6. PISTON POSITIONS.
Each time the piston moves from top dead center to bottom dead center, or vice
versa, it completes a movement called a stroke. Therefore, the piston completes
two strokes for every full crankshaft revolution. There are four definite phases
of operation that an engine goes through in one
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