30in rows, 12 finger meter, 30" rows, 12 finger meter – Great Plains 2525P Material Rate User Manual
Page 47: 2025-p, 2525-p
Great Plains Mfg., Inc.
45
03/23/2010
118-231B
2025-P
30" ROWS
2525-P
ATTENTION ! ! !
(For all seed corn types)
12 Finger Meter
Great Plains always recommends test stand calibration of the finger meter to the population and ground speed desired .
For Round Corn optimum meter speed is 45 to 75 RPM
( Shaded & Non shaded areas )
Range Sprockets:
Driver =
60
For Flat Corn optimum meter speed is 60 to 75 RPM
Driven =
20
(Shaded area)
Ground Speed
Transmission
7 mph
6.5 mph
6 mph
5.5 mph
5 mph
4.5 mph
4 mph
3.5 mph
Combinations
Seed
Seed
Population
Spacing
Meter
Meter
Meter
Meter
Meter
Meter
Meter
Meter
Driver
Driven
(seeds/acre)
(inches)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
17
28
17,587
11.9
52
48
17
27
18,239
11.5
54
50
46
Not Recommended
17
26
18,940
11.0
56
52
48
19
28
19,656
10.6
58
54
50
46
17
25
19,698
10.6
58
54
50
46
19
27
20,384
10.3
60
56
51
47
17
24
20,518
10.2
60
56
52
47
19
26
21,168
9.9
62
58
53
49
45
17
23
21,410
9.8
63
59
54
50
45
19
25
22,015
9.5
65
60
56
51
46
19
24
22,932
9.1
68
63
58
53
48
23
28
23,794
8.8
70
65
60
55
50
45
19
23
23,929
8.7
70
65
60
55
50
45
23
27
24,676
8.5
73
68
62
57
52
47
24
28
24,829
8.4
73
68
63
57
52
47
23
26
25,625
8.2
75
70
65
59
54
49
24
27
25,749
8.1
70
65
60
54
49
25
28
25,863
8.1
71
65
60
54
49
17
19
25,918
8.1
71
65
60
55
49
23
25
26,650
7.8
73
67
62
56
50
45
24
26
26,739
7.8
73
68
62
56
51
45
25
27
26,821
7.8
73
68
62
56
51
45
26
28
26,898
7.8
74
68
62
57
51
45
23
24
27,760
7.5
70
64
58
53
47
24
25
27,808
7.5
70
64
59
53
47
25
26
27,853
7.5
70
64
59
53
47
26
27
27,894
7.5
70
65
59
53
47
27
28
27,933
7.5
71
65
59
53
47
23
23
28,967
7.2
73
67
61
55
49
28
27
30,040
7.0
70
63
57
51
27
26
30,081
7.0
70
63
57
51
26
25
30,126
6.9
70
63
57
51
25
24
30,174
6.9
70
63
57
51
24
23
30,227
6.9
70
64
57
51
45
28
26
31,195
6.7
72
66
59
53
46
27
25
31,284
6.7
72
66
59
53
46
26
24
31,381
6.7
73
66
59
53
46
25
23
31,486
6.6
73
66
60
53
46
19
17
32,375
6.5
75
68
61
55
48
28
25
32,443
6.4
75
68
61
55
48
27
24
32,588
6.4
75
69
62
55
48
26
23
32,745
6.4
69
62
55
48
28
24
33,795
6.2
71
64
57
50
27
23
34,005
6.1
72
64
57
50
23
19
35,065
6.0
74
66
59
52
28
23
35,264
5.9
74
67
59
52
24
19
36,590
5.7
69
62
54
25
19
38,115
5.5
Not Recommended
72
64
56
23
17
39,191
5.3
74
66
58
26
19
39,639
5.3
75
67
58
24
17
40,895
5.1
69
60
27
19
41,164
5.1
69
61
25
17
42,599
4.9
72
63
28
19
42,688
4.9
72
63
26
17
44,303
4.7
75
65
27
17
46,007
4.5
68
28
17
47,710
4.4
70