THE FLOW OF WATER IN WOOD-STAVE PIPE. 
69 
Table 7. — Velocity V in feet per second and loss of head H in feet per thousand feet of 
pipe, necessary to the conveyance of a given quantity of water, Q, in second-feet and in 
millions of U. S. gallons per day through wood-stave pipe, based on formula H= 
7 68 V 1 - 8 
' „ 17 — For instance, 5 second-feet will be carried by a 16-inch pipe at a velocity of 
3.58 feet per second with a 
loss of head 
of 2.98 feet per 
thousand feet of pipe. 
Quan- 
tity. 
Inside diameter, in inches, and corresponding area, A, in square feet. 
Quan- 
tity, 
mil- 
lions 
per 
day. 
4 
A= 0.0873. 
5 
A= 0.1364. 
6 
A= 0.1963. 
A= 0.2673. 
8 
A= 0.3491. 
9 
A= 0.4418. 
10 
A= 0.5454. 
Q 
V 
H 
V 
H 
V 
H 
V 
H 
V 
H 
V 
H 
V 
H 
Sec.-ft. 
0.2 
Feet. 
2.29 
4.58 
6.87 
9.16 
11.4 
13.7 
16.0 
18.3 
20.6 
Feet. 
6.7 
23.4 
48.7 
81.7 
121 
169 
224 
285 
352 
Feet. 
1.47 
2.93 
4.40 
5.86 
7.33 
8.80 
10.3 
11.7 
13.2 
14.7 
18.3 
22.0 
Feet. 
2.33 
8.10 
16.8 
28.2 
40.6 
58.5 
77.1 
110 
121 
147 
219 
304 
Feet. 
1.02 
2.04 
3.06 
4.08 
5.10 
6.11 
7.13 
8.15 
9.17 
10.2 
12.7 
15.3 
17.8 
20.4 
Feet. 
0.98 
3.40 
7.05 
11.8 
17.7 
24.6 
32.4 
41.3 
51.0 
61.6 
92.1 
128 
169 
215 
Feet. 
0.75 
1.50 
2.24 
2.99 
3.74 
4.49 
5.24 
5.99 
6.73 
7.48 
9.35 
11.2 
13.1 
15.0 
16.8 
18.7 
20.6 
Feet. 
0.4 
1.63 
3.38 
5.67 
8.47 
11.7 
15.5 
19.7 
24.4 
29.5 
44.1 
61.2 
80.6 
103 
127 
155 
182 
Feet. 
0.57 
1.15 
1.72 
2.29 
2.87 
3.44 
4.01 
4.58 
5.16 
5.72 
7.16 
8.60 
10.0 
11.5 
12.9 
14.3 
15.8 
17.2 
18.6 
20.1 
Feet. 
0.25 
.86 
1.79 
3.00 
4.42 
6.22 
8.21 
10.4 
12.9 
15.6 
23,3 
32.4 
42.7 
53.7 
67.1 
81.2 
96.4 
113 
130 
149 
Feet. 
Feet. 
Feet. 
Feet. 
Gals. 
0.129 
.4 
.6 
.8 
1.0 
1.2 
1.4 
1.6 
1.8 
2.0 
0.90 
1.36 
1.81 
2.26 
2.72 
3.17 
3.62 
4.07 
4.53 
5.66 
6.79 
7.02 
9.05 
10.2 
11.3 
12.4 
13.6 
14.7 
15.8 
0.49 
1.02 
1.71 
2.56 
3.55 
4.68 
5.95 
7.35 
8.89 
13.6 
18.9 
25.2 
31.9 
39.4 
47.7 
56.6 
65.4 
76.5 
87.3 
0.73 
1.10 
1.47 
1.83 
2.20 
2.57 
2.93 
3.30 
3.67 
4.58 
5.50 
6.42 
7.33 
8.25 
9.17 
10.1 
11.0 
11.9 
12.8 
0.29 
.60 
1.02 
1.52 
2.10 
2.78 
3.54 
4.37 
5.28 
7.89 
11.0 
14.5 
18.6 
22.7 
27.5 
32.6 
38.2 
44.1 
50.3 
.259 
.388 
.517 
.646 
.776 
.905 
1.034 
1.163 
1.293 
2.5 
1.616 
3.0 
1.939 
3.5 
2.262 
4.0 
2.585 
4.5 
2.908 
5.0 
3.232 
5.5 
3. 555 
6.0 
3.878 
6.5 
4.201 
7.0 
4.524 
12 
A=0.7854. 
14 
A= 1.069. 
16 
A= 1.396. 
18 
A= 1.767. 
20 
A= 2.182. 
22 
A= 2.640. 
24 
A= 3.142. 
V 
H 
V 
H 
V 
H 
V 
H 
V 
H 
V 
H 
V 
H 
1.0 
1.27 
1.53 
1.78 
2.04 
2.29 
2.55 
3.18 
3.82 
4.46 
5.09 
5.73 
6.37 
7.00 
7.64 
8.27 
8.91 
9.55 
10.2 
10.8 
11.5 
12.1 
12.7 
14.0 
15.3 
16.6 
17.8 
19.1 
20.4 
0.65 
.90 
1.19 
1.51 
1.87 
2.26 
3.37 
4.67 
6.17 
7.86 
9.69 
11.7 
13.9 
16.3 
18.8 
21.5 
24.4 
27.3 
30.5 
33.7 
37.2 
40.8 
48.5 
56.8 
65.6 
74.8 
84.7 
95.2 
0.94 
1.12 
1.31 
1.50 
1.68 
1.87 
2.34 
2.81 
3.27 
3.74 
4.21 
4.68 
5.15 
5.61 
6.08 
6.55 
7.02 
7.48 
7.95 
8.42 
8.89 
9.35 
10.3 
11.2 
12.2 
13.1 
14.0 
15.0 
15.9 
16.8 
17.8 
19.6 
20.6 
0.31 
.43 
.57 
.72 
.90 
1.08 
1.62 
2.24 
2.96 
3.76 
4.65 
5.63 
6.67 
7.80 
9.02 
10.3 
11.7 
13.1 
14.6 
16.4 
17.9 
19.6 
23.2 
27.3 
31.4 
35.9 
40.8 
45.7 
51.0 
56.6 
62.2 
68.1 
74.5 
81.1 
0.72 
.86 
1.00 
1.15 
1.29 
1.43 
1.79 
2.15 
2.51 
2.87 
3.22 
3.58 
3.94 
4.30 
4.66 
5.01 
5.37 
5.73 
6.09 
6.45 
6.80 
7.16 
7.88 
8.60 
9.31 
10.0 
10.7 
11.5 
12.2 
12.9 
13.6 
15.0 
15.8 
16.5 
17.2 
17.9 
18.6 
19.3 
20.1 
0.16 
.23 
.30 
.38 
.47 
.57 
.85 
1.19 
1.57 
1.99 
2.46 
2.98 
3.49 
4.13 
4.77 
5.45 
6.16 
•6.94 
7.73 
8.40 
9.45 
10.4 
12.3 
14.4 
16.6 
19.0 
21.5 
24.2 
27.0 
29.8 
32.9 
36.1 
39.4 
42.9 
46.4 
50.1 
54.0 
57.9 
61.9 
66.1 
0.57 
.68 
.79 
.91 
1.02 
1.13 
1.42 
1.70 
1.98 
2.23 
2.55 
2.83 
3.11 
3.40 
3.68 
3.96 
4.24 
4.53 
4.81 
5.10 
5.38 
5.66 
6.22 
6.79 
7.36 
7.92 
8.49 
9.06 
9.62 
10.2 
10.7 
11.9 
12.4 
13.0 
13.6 
14.1 
14.7 
15.3 
15.8 
0.09 
.13 
.17 
.22 
.27 
.33 
.49 
.68 
.89 
1.14 
1.40 
1.70 
2.02 
2.32 
2.72 
3.11 
3.52 
3.96 
4.41 
4.89 
5.39 
5.91 
7.01 
8.21 
9.48 
10.8 
12.3 
13.8 
15.4 
17.0 
18.8 
20.6 
22.5 
24.4 
26.5 
28.5 
30.9 
33.0 
35.3 
37.7 
0.646 
1.2 
0.55 
.64 
.73 
.83 
.92 
1.15 
1.37 
1.60 
1.83 
2.06 
2.29 
2.52 
2.75 
2.98 
3.21 
3.44 
3.67 
3.90 
4.12 
4.35 
4.58 
5.04 
5.50 
5.96 
6.42 
6.87 
7.33 
7.79 
8.25 
8.71 
9.17 
9.b2 
10.1 
10.5 
11.0 
11.5 
11.9 
12.4 
12.8 
0.08 
.10 
.13 
.16 
.20 
.29 
.41 
.54 
.69 
.85 
1.03 
1.22 
1.42 
1.65 
1.88 
2.13 
2.39 
2.67 
2.96 
3.27 
3.59 
4.28 
4.97 
5.74 
6.55 
7.43 
8.33 
9.30 
10.3 
11.4 
12.4 
13.6 
14.8 
16.0 
17.3 
18.6 
.19.9 
21.3 
22.8 
.776 
1.4 
1.6 
1.8 
2.0 
2.5 
3.0 
3.5 
4.0 
4.5 
5.0 
5.5 
6.0 
6.5 
7.0 
7.5 
8.0 
8.5 
9.0 
9.5 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
0.53 
.61 
.68 
.76 
.95 
1.14 
1.33 
1.52 
1.70 
1.89 
2.08 
2.27 
2.46 
2.65 
2.84 
3.03 
3.22 
3.41 
3.60 
3.79 
4.17 
4.55 
4.92 
5.30 
5.60 
6.06 
6.44 
6.82 
7.20 
7.58 
7.96 
8.33 
8.71 
9.09 
9.47 
9.85 
10.2 
10.6 
0.07 
.08 
.10 
.12 
.19 
.26 
.34 
.44 
.54 
.65 
.78 
.90 
1.04 
1.19 
1.35 
1.52 
1.69 
1.87 
2.06 
2.27 
2.68 
3.16 
3.63 
4.15 
4.70 
5.28 
5.74 
6.54 
7.20 
7.90 
8.63 
9.37 
10.2 
11.0 
11.8 
12.7 
13.6 
14.5 
0.64 
.80 
.95 
1.11 
1.27 
1.43 
1.59 
1.75 
1.91 
2.07 
2.23 
2.39 
2.55 
2.71 
2.86 
3.02 
3.18 
3.50 
3.82 
4.14 
4.46 
4.77 
5.09 
5.41 
5.73 
6.05 
6.37 
6.68 
7.00 
7.32 
7.64 
7.96 
8.27 
8.59 
8.91 
0.08 
.12 
.17 
.23 
.29 
.36 
.43 
.51 
.60 
.79 
.89 
1.00 
1.12 
1.24 
1.37 
1.49 
1.78 
2.08 
2.41 
2.74 
3.11 
3.49 
3.90 
4.31 
4.76 
5.22 
5.70 
6.19 
6.71 
7.25 
7.79 
8.37 
8.95 
9.56 
.905 
1.034 
1.163 
1.293 
1.616 
1.939 
2.202 
2.585 
2.908 
3.232 
3.555 
3.878 
4.201 
4.524 
4.847 
5.171 
5.494 
5.817 
6.140 
6.463 
7.109 
7.756 
8.402 
9.048 
9.695 
10.341 
10.987 
11.634 
12. 280 
12. 926 
13. 573 
14.219 
14. 865 
24 
15.512 
25 
26 
27 
16. 158 
16. 804 
17. 451 
28 
18.097 
