. Automotive industries . Actual Engine Conditions■j With Friction atoll Loads the same asat Full Load. Brake Horsepower 20 22 24 26 Fig. 3—Results of Tests on a Six-Cylinder Engine Showing the Relation Between Mechanical Efficiency, Fuel Consumption and Brake Horsepower. results from closing the throttle. Fig. 2 shows this-effect at three speeds, the absolute manifold pressuresinaicating the amount of throttle opening. That this isnot the major cause of the low efficiency will be evidentfrom Fig. 3. Here the mechanical efficiency and fuelconsumption are plotted against the brake

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. Automotive industries . Actual Engine Conditions■j With Friction atoll Loads the same asat Full Load. Brake Horsepower 20 22 24 26 Fig. 3—Results of Tests on a Six-Cylinder Engine Showing the Relation Between Mechanical Efficiency, Fuel Consumption and Brake Horsepower. results from closing the throttle. Fig. 2 shows this-effect at three speeds, the absolute manifold pressuresinaicating the amount of throttle opening. That this isnot the major cause of the low efficiency will be evidentfrom Fig. 3. Here the mechanical efficiency and fuelconsumption are plotted against the brake fuel-consumption calculations are based upon of fuel per , a value that is assumed to over this load range. The dash line curves showresults that might be obtained if the friction horse-power did not increase with the closing of the 20 per cent load the upper curve shows a 20 per centincrease in the efficiency to be possible; that is to say, acar now going 15 miles on a gallon of fuel could thengo 18. Even under these conditions, at 20 per cent loadthe s

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear