Diesel engines for land and marine work . lever when going ahead and the other w^hen running Fig. 160 is illustrated another four-cycle motor also of100 in six cylinders, this being of the Krupp has a speed of revolution of SCO , but is not quiteso light a construction as the motor previously 300 DIESEL ENGINES FOR LAND AND MARINE WORK It is not, however, directly reversible, and its only peculiarfeature lies in the method of operating the valves, thecam shaft being low down and the valve rockers actuatedthrough the intermediary of long vertical pus
Diesel engines for land and marine work . lever when going ahead and the other w^hen running Fig. 160 is illustrated another four-cycle motor also of100 in six cylinders, this being of the Krupp has a speed of revolution of SCO , but is not quiteso light a construction as the motor previously 300 DIESEL ENGINES FOR LAND AND MARINE WORK It is not, however, directly reversible, and its only peculiarfeature lies in the method of operating the valves, thecam shaft being low down and the valve rockers actuatedthrough the intermediary of long vertical push rods. Among the small two-cycle engines constructed is oneof the Junkers design illustrated in Fig. 161. This is a two-cylinder motor of 100 running at about 300 ,the third vertical cylinder being the scavenge pump. Theprinciple of operation of. this motor is the same as thatdescribed earlier in connexion with the Junkers large engine,there being two opposed pistons in each cylinder with thefuel inlet valve horizontal in the middle of the engine is said to give the particularly low fuelconsumption of about 0-41 lb. per hour. Fig. 162 shows a four-cylinder two-cycle motor whichhas recently been developed in America by the Gas Engine& Power Co. In this case the motor is of somewhatslightly
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