g I kW h 450 420 390 360 330 300 270 240 5 10 15 20 25 30 35 40 Pe kW Fig. 14 Load characteristic curve for 1500, 1800, 2000r/min diesel engine · 15 , 1\: , '~ ~ 1500r I min I I V l;/v , l " ~~ V / V \~ \ I ~ Iw V /' 1800r I min \\ K v V \~ ~ \ \ I ~ " ~/ V \ , Iv r\ A 2000r I min '\ \ \~ ~ V VI \~ \. X 7 . \~ \ \" ~/ \~ ~ ~ ~ '~ ~ ~~ '- ~ , '~ ~ '~ "- ~ ~ ~ ~ ~~ ~ r---. ........ ........... ~ ~ 10... ,. '" ~ -- - -~