Aug. 1, 1925 
Tests of Deep-Well Turbine Pumps 
237 
Table IV .—American 2-stage, 24 -inch pump, No. 4 t tested January 29, March 9, 
March 11, 1916 
Average 
pump 
speed 
Speed 
of pump 
No. 
of 
run 
Pres¬ 
sure 
head 
Suction 
head 
Static 
head 
Ve¬ 
locity 
head 
Total 
head 
Brake 
horse¬ 
power 
Dis¬ 
charge 
Water 
horse¬ 
power 
Effi¬ 
ciency 
iS. p. m. 
iS. p. m. 
898 
1 
Ft. 
93.37 
Ft. 
0.00 
Ft. 
14.98 
Ft. 
-0.00 
Ft. 
108.35 
12.92 
G.p.m. 
0 
0.00 
P.ct. 
0.0 
893 
2 
87.58 
.00 
14.98 
-. 01 
102.55 
17.82 
142 
3.67 
20.5 
892 
3 
78.14 
1.07 
14.98 
-.04 
94.15 
22.04 
313 
7.43 
33.7 
889 
4 
70.18 
3.05 
14.98 
-.11 
88.10 
24.08 
492 
10.94 
45.4 
888 
5 
60.46 
5.22 
14.98 
-.20 
80.46 
28.11 
657 
13.36 
47.5 
885 
6 
51.64 
7.48 
14.98 
-.34 
73.76 
29.95 
807 
15.06 
50.3 
890 
885 
7 
43.96 
9.74 
14.98 
-.40 
68.28 
30.19 
936 
16.13 
53.5 
888 
8 
35.14 
12.23 
14.98 
-.53 
61.82 
30.39 
1,084 
16.92 
55.6 
i 889 
9 
27.12 
14.69 
14.98 
-. 66 
56.13 
30.87 
1,206 
17.09 
55.3 
889 
10 
14.12 
17.09 
14.98 
-.82 
45.37 
30.07 
1,332 
15.26 
50.6 
889 
11 
12.03 
19.29 
14.98 
-.92 
45.38 
27.00 
1,408 
16.13 
59.6 
892 
12 
73 96 
2.32 
14.98 
-.07 
91.19 
21.19 
391 
9.00 
42.5 
888 
13 
63.22 
4.80 
14.98 
-. 16 
82.84 
26.47 
594 
12.42 
46.8 
936 
1 
105. 09 
.00 
14.98 
-.00 
120.07 
17.24 
0 
.00 
.0 
934 
2 
96. 95 
. 14 
14.98 
-.02 
112.05 
20.93 
181 
5.11 
24.4 
932 
3 
87.58 
1.31 
14.98 
-.06 
103.81 
24.49 
358 
9.38 
38.3 
929 
4 
78.80 
2.77 
14.98 
-.11 
96.44 
26.38 
487 
11. 85 
44.9 
929 
5 
69.05 
4.89 
14.98 
-.20 
88.72 
29.44 
654 
14. 65 
49.7 
928 
927 
6 
60.22 
8.13 
14.98 
-.29 
83.04 
32.18 
792 
16. 59 
51.6 
926 
7 
51.70 
9.46 
14.98 
-. 40 
75.74 
33.96 
933 
17.84 
52.5 
926 
8 
44.24 
11.64 
14.98 
-. 51 
70.35 
34.60 
1,058 
18.79 
54.2 
924 
9 
35.48 
14.18 
14.98 
-.64 
64.00 
35.20 
1,183 
19.11 
54.2 
923 
10 
27.01 
16.56 
14.98 
-. 77 
57.78 
35.67 
1,300 
18.96 
53.1 
, 926 
11 
11. 75 
20.28 
14.98 
-.98 
46.03 
33. 57 
1,465 
17.03 
50.7 
995 
1 
120.97 
.00 
14.98 
-.00 
135.95 
19.11 
0 
.00 
.0 
993 
2 
114.46 
.00 
14.98 
-. 01 
129.43 
23. 66 
131 
4.30 
18.2 
993 
3 
109.27 
.48 
14.98 
-.03 
124.70 
26.07 
241 
7.57 
29.0 
987 
4 
102. 55 
.99 
14.98 
-.04 
118.48 
28.97 
305 
9.11 
31.4 
990 
5 
99.89 
2.15 
14.98 
-.08 
116.94 
31.58 
403 
11.88 
37.6 
990 
6 
91.98 
3.05 
14.98 
-. 11 
109.90 
33.23 
487 
13. 51 
40.6 
987 
987 
7 
84.09 
5.08 
14.98 
-. 19 
103.96 
36.50 
640 
16.80 
46.0 
984 
8 
73.96 
7.03 
14.98 
-.28 
95.69 
38.46 
778 
18.79 
48.8 
984 
9 
65.94 
9.35 
14.98 
-.37 
89.90 
40.43 
899 
20.40 
50.4 
* 982 
10 
62.37 
10.38 
14.98 
-.43 
87.30 
40.84 
967 
21. 31 
52.1 
984 
11 
53.56 
12.60 
14.98 
-.54 
80.60 
42.05 
1,097 
22.32 
53.0 
982 
12 
45.19 
14.95 
14.98 
-. 66 
74.46 
42.44 
1,199 
22.54 
53.1 
981 
13 
36.89 
17.40 
14.98 
-.80 
68.47 
42.10 
1,321 
22.83 
54.2 
985 
14 
13.05 
20.31 
14.98 
-1.09 
47.25 
39.50 
1,468 
17.55 
44.4 
1,090 
1 
143. 77 
.00 
18.56 
-.00 
162.33 
22.82 
0 
.00 
.0 
1,084 
2 
136. 50 
.00 
14.98 
-.01 
151.47 
29.20 
150 
5.73 
19.6 
1,080 
3 
129. 66 
.45 
14.98 
-.03 
145.06 
33.73 
267 
9.76 
28.9 
1,075 
4 
118. 65 
2.09 
14.98 
-.08 
135.64 
39.04 
416 
14.24 
36.4 
1,073 
5 
111. 19 
3.73 
14.98 
-. 14 
129.76 
42.78 
551 
18. 05 
42.1 
1,068 
6 
101. 58 
5.82 
14.98 
-.22 
122.16 
45.70 
699 
21. 56 
47.1 
1,071 
1,069 
7 
93.00 
7.63 
14.98 
-.30 
115.31 
48.27 
818 
23.81 
49.3 
1,068 
8 
84. 52 
9.72 
14.98 
-.40 
108.82 
50.13 
933 
25.63 
51.1 
1,065 
9 
83.73 
9.38 
14.98 
-.40 
107. 69 
50.68 
940 
25.56 
50.3 
1,063 
10 
76.05 
11.45 
14.98 
-.50 
301.98 
51.42 
1,046 
26.93 
52.3 
1,064 
11 
66.44 
13.90 
14.98 
-.64 
94.68 
52.75 
1,176 
28.11 
53.2 
1.062 
12 
58.37 
15.93 
14.98 
-.77 
88.54 
52.67 
1,280 
28.61 
54.2 
1,061 
13 
50.51 
17.79 
14.98 
-.90 
82.38 
52.51 
1,401 
29.17 
55.4 
1,066 
14 
41.24 
19.61 
14.98 
-.99 
74.87 
51.88 
1,466 
27. .1 
53.3 
