. Automotive industries . volume of charge admitted, the sum of thetwo being substantially constant. This engine is said toshow a fuel economy of lb. per hp. hr. at full load,and slightly less than lb. at one-third load. Whenfitted in a car weighing with passengers about 2000 50 to 85 miles per gal. can be covered. This per-formance is due largely to the fact that the engine isrelatively very efficient at part loads, which are theloads obtaining during a large portion of the time, inpassenger car operation. Other experimenters have built engines of the con-stant compression typ
. Automotive industries . volume of charge admitted, the sum of thetwo being substantially constant. This engine is said toshow a fuel economy of lb. per hp. hr. at full load,and slightly less than lb. at one-third load. Whenfitted in a car weighing with passengers about 2000 50 to 85 miles per gal. can be covered. This per-formance is due largely to the fact that the engine isrelatively very efficient at part loads, which are theloads obtaining during a large portion of the time, inpassenger car operation. Other experimenters have built engines of the con-stant compression type operating on a four-stroke of these, designed by Ricardo, is illustrated dia-grammatically in Fig. 3. This is similar in principle toconventional four-stroke engines except that an extravalve operated by the suction of the engine is providedin a bulb attached to the head of the engine and com-municating with the main clearance space through a June 16, 1921 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE 1243 EXHAUST PORT-.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
