Jimmys Posted June 30, 2016 Report Share Posted June 30, 2016 Can anyone here please explain to me what is meant by the term "parasitic power losses" on an engine? Link to comment Share on other sites More sharing options...
Barry Posted June 30, 2016 Report Share Posted June 30, 2016 When something uses up some of the power that the engine is producing. Things like a supercharger, air conditioning, electrical things such as heater, lights, ICE etc causing the alternator to work harder Link to comment Share on other sites More sharing options...
treks Posted July 1, 2016 Report Share Posted July 1, 2016 @Technician is right, but he left out the losses caused by the water and oil pumps. Generally, the smaller the engine, the bigger the losses caused by the oil and water pumps. In the old days when cars still had fixed radiator fans, the fan alone accounted for about 20% of the total parasitic power loss. Link to comment Share on other sites More sharing options...
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