Useful formulas – Great Plains Fertilizer Arm Kits User Manual

Page 12

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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

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