Useful formulas – Great Plains Fertilizer Arm Kits User Manual
Page 12
204-326M
7/31/2002
10
Useful Formulas
GPM =
GPA x MPH x W*
5940
GPA
=
5940 x GPM {Per Nozzle}
MPH x W*
*W = Row Spacing.....in inches.
GPM= Gallons Per Minute.
GPA= Gallons Per Acre.
LIQUID
CAPACITY
GALLONS PER ACRE
NOZZLE #
PRESSURE
IN
4
6
8
10
12
14
16
18
20
IN PSI
GPM
MPH
MPH
MPH
MPH
MPH
MPH
MPH
MPH
MPH
H1/4U-SS0010
10
0.5
25
16.5
12.4
9.9
8.3
7.1
6.2
5.5
5.0
20
0.7
35
23
17.5
14
11.7
10
88
7.8
7.0
30
0.9
43
29
21
17.2
14.3
12.3
10.7
9.5
8.6
40
1.0
49
33
25
19.8
16.5
14.1
12.4
11.0
9.9
H1/4U-SS0015
10
0.8
37
25
18.6
14.9
12.4
10.6
9.3
8.3
7.4
20
1.1
53
35
26
21
17.5
15
13.1
11.4
10.5
30
1.3
64
43
32
26
21
18.4
16.1
14.3
12.9
40
1.5
74
49
37
30
25
21
18.6
16.5
14.9
H1/4U-SS0020
10
1.0
49
33
25
19.8
16.5
14.1
12.4
11.0
9.9
20
1.4
70
47
35
28
23
20
17.5
15.6
14.0
30
1.7
86
57
43
34
29
24
21
1931
17.2
40
2.0
99
65
49
40
33
28
25
22
19.8
H1/4U-SS0030
10
1.5
74
49
37
30
25
21
18.6
16.5
14.9
20
2.1
105
70
53
42
35
30
26
23
21
30
2.6
129
86
64
51
43
37
32
29
26
40
3.0
148
99
74
59
49
42
37
33
30
H1/4U-SS0040
10
2.0
99
66
49
40
33
28
25
22
19.8
20
2.8
140
93
70
56
47
40
35
31
28
30
3.5
171
114
86
69
57
49
43
38
34
40
4.0
198
132
99
79
66
57
49
44
40
H1/4U-SS0050
10
2.5
124
82
62
49
41
35
31
27
25
20
3.5
175
117
88
70
58
50
44
39
35
30
4.3
214
143
107
86
71
61
54
48
43
40
5.0
247
165
124
99
82
71
62
55
49
H1/4U-SS0060
10
3.0
148
99
74
59
49
42
37
33
30
20
4.3
210
140
105
84
70
60
53
47
42
30
5.2
257
171
129
103
86
73
64
57
51
40
6.0
297
198
148
119
99
85
74
66
59
11400
This Chart is based on 30" Row Spacing