ENGINE No. 18. 



Simple Condensing Engine. 

 Kind of engine Four valve (Corliss) 



Number of cylinders 



Diameter of each cylinder . 



Diameter of each piston rod 



Stroke of each piston 



Clearance 



H.P. Constant for one Ib. m.e.p., one rev. per minute 



Inside diameter of steam pipe 



Condition oi valves and pistons regarding leakage .... 



Data and Results of Feed -Water Tests, Engine No. 18. 



2 

 20i ins. 



3 ins. 



4 ft. 

 3.4 % 



.0772 

 6 ins. 

 Fairly tight 



Measurements based on Sample Diagrams. 



Engine No. 18 has a pair of cylinders with a jet condenser 

 operated by a direct connected air-pump. Steam is furnished 

 by return tubular boilers, and calorimeter tests showed that the 



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