The actual volumet of air the engine ingests compared to the theoretical maximum volume is called volumetric efficiency (VE). Since each cylinder has one intake stroke every two revolutions of the crankshaft, then the theoretical maximum volume of air it can ingest during each rotation of the crankshaft is equal to one-half its displacement. ![]() In a four-stroke naturally aspirated engine, the theoretical maximum volume of air that each cylinder can ingest during the intake cycle is equal to the swept volume of that cylinder (0.7854 x bore x bore x stroke). ![]() ![]() Volumetric Efficiency and Engine Airflow - (It's actually MASS AIRFLOW that counts) NOTE: All our Products, Designs and Services are ORGANIC, GLUTEN-FREE, CONTAIN NO GMO's, and will not upset anyone's precious FEELINGS
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