ENGINE No. 38. 



Compound Condensing Engine. 



Data and Results of Feed -Water Test. 



Character of steam 



Duration 



Weight of feed- water consumed 



Feed-water consumed per hour 



Pressure in steam pipe above atmosphere . 



Pressure in receiver 



Vacuum in condenser 



Revolutions per minute 



Mean effective pressure, H. P. cylinder . 

 Mean effective pressure, L. P. cylinder . . 

 Indicated horse-power, H. P. cylinder . . 

 Indicated horse-power, L. P. cylinder . . . 

 Indicated horse-power, whole engine . . . 

 Feed-water consumed per I. H. P. per hour . 



118,927 

 13,861 

 108.9 

 8.4 

 23.6 

 62.14 

 61.53 

 9.87 

 434.0 

 281.4 

 716 

 19.36 



ordinary 

 8.58 hrs. 

 Ibs. 

 Ibs. 

 Ibs. 

 Ibs. 



Ibs. 



Ibs. 

 H.P. 

 H.P. 



II. I'. 

 Ibs. 



Measurements Based on Sample Diagrams. 



152 



