GENERATING MECHANICAL POWER 93 



regularly every night and every morning, the engine 

 and truck would naturally remain inside of the dairy 

 house more than any other place. If the dairy house 

 is too small to let the engine in, then an addition is 

 necessary, for the engine must be kept under cover. 

 The engine house should have some artistic pretensions 

 and a coat of paint. 



KEROSENE PORTABLE ENGINES 



The kerosene engine is necessarily of the throttle 

 governor type in order to maintain approximately uni- 

 form high temperature at all times, so essential to the 

 proper combustion of kerosene fuel. Therefore, a kero- 

 sene engine of the hit-and-miss type should be avoided. 

 However, there are certain classes of work where a 

 throttle governor engine is at a decided disadvantage, 

 such as sawing wood, because a throttle governor en- 

 gine will not go from light load to full load as quickly 

 as will a hit-and-miss type, and consequently chokes 

 down much easier, causing considerable loss of time. 



A general purpose portable kerosene engine is ad- 

 mirably suited to all work requiring considerable horse- 

 power and long hours of service with a fairly steady 

 load, such as tractor work, threshing, custom feed 

 grinding, irrigating and silo filling. There will be a 

 considerable saving in fuel bill over a gasoline engine 

 if the engine will really run with kerosene, or other 

 low-priced fuel, without being mixed with gasoline. 



In choosing a kerosene engine, particular attention 

 should be paid to whether or not the engine can be run 

 on all loads without smoking. Unless this can be done, 

 liquid fuel is entering the cylinder which will cause ex- 

 cessive wear on the piston and rings. A good kerosene 

 engine should show as clean an exhaust as when operat- 



