38 BULLETIN 1067, U. S. DEPARTMENT OF AGRICULTURE. 



Table 31. — Test of Richard relift pumping plant, Grand Canal, July 11, 1919. 

 [60-horsepower Ingeco engine direct-connected to Worthington pumps.] 





Speed. 



Actual 

 Uft. 



Minutes 

 required 

 to use 12 

 pounds 

 of oil. 







Time. 



No. 1. 



No. 2. 



Discharge. 



1.40 



R. p. m. 



R. p. m. 

 250.0 

 250.0 

 250.0 

 249.0 



Feet. 

 7.75 

 7.84 

 7.87 

 7.85 





Sec.-ft. 

 39.65 

 38.65 

 38.65 

 36.60 



G. p. m. 

 17,800 



2. 00 



19.5 

 20.5 

 21.0 



17, 350 



2.20 l 



17, 350 



2. 40 



16, 450 











249.7 



7.83 



20.33 



38.38 



17, 237 







The methods followed in testing the Ferre relift and the Richard 

 relift were the same as those already described in the test of the Jami- 

 son relift. In making the test of the Hine's relift the quantity of water 

 was measured by means of a weir installed at the end of the flume. 

 As the flow was rather turbulent, the depth on the weir could not be 

 read with great accuracy, and the results may be in error by 5 per 

 cent. As the water was discharged vertically upward from the pump, 

 the discharge gage could not be read as accurately as in the other 

 test, but the readings are substantially correct and the final results 

 satisfactory. 



Fuel oil used in these plants was Jennings crude, direct from the 

 wells. A sample from the Richard relift had specific gravity 0.8975 

 or 26.15° Baume at 100° F. 



DRAINAGE PUMPING PLANT AT PORT ARTHUR, TEX. 



This plant was installed to drain the city of Port Arthur, an area 

 of approximately 2,175 acres. It is not an agricultural proposition 

 and the capacity is far in excess of that required for farm lands. 

 The pumping plant contains three units, each consisting of a vertical 

 2-cylinder 100-horsepower oil engine direct-connected to a 48-inch 

 screw pump. Two of the pumps were sold under a guaranty to de- 

 liver 40,000 gallons per minute against a 5-foot lift and 26,000 gallons 

 per minute against an 11-foot lift. The other pump was to deliver 

 55,000 gallons per minute against a 5-foot lift. All operate at 257 

 revolutions per minute. 



In the test of this plant, water measurements were made with a 

 Pitot tube. The lift was determined by means of gages set in suction 

 and discharge basins. Fuel oil was measured by means of a spring 

 balance. Readings of fuel were taken at 5-minute intervals. The oil 

 used was sold as 28° Baume, weight 7.38 pounds per gallon. 



Tests were made on one high-lift and on the low-lift unit. In the 

 course of the work of adjusting and testing the plant it was found 

 that the blades were quite rough. When they were made smooth 

 and sharp a marked improvement in capacity and duty was observed. 



