36in twin rows, 12 finger meter, Twin row 36, 12 finger meter – Great Plains 2525P Material Rate User Manual
Page 51: 2025-p, 2525-p
Great Plains Mfg., Inc.
49
03/23/2010
118-231B
2025-P
TWIN ROW 36"
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 =
30
For Flat Corn optimum meter speed is 60 to 75 RPM
Driven =
15
(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
19,541
17.8
17
27
20,265
17.2
17
26
21,044
16.6
19
28
21,840
16.0
17
25
21,886
15.9
19
27
22,649
15.4
17
24
22,798
15.3
19
26
23,520
14.8
17
23
23,789
14.6
19
25
24,461
14.2
19
24
25,480
13.7
45
23
28
26,438
13.2
47
19
23
26,588
13.1
47
23
27
27,417
12.7
48
45
24
28
27,588
12.6
49
45
23
26
28,472
12.2
50
47
24
27
28,609
12.2
51
47
25
28
28,737
12.1
51
47
17
19
28,798
12.1
51
47
23
25
29,611
11.8
52
49
45
24
26
29,710
11.7
53
49
45
25
27
29,802
11.7
53
49
45
26
28
29,887
11.7
53
49
45
23
24
30,845
11.3
55
51
47
24
25
30,898
11.3
55
51
47
25
26
30,948
11.3
55
51
47
26
27
30,994
11.2
55
51
47
Not Recommended
27
28
31,036
11.2
55
51
47
23
23
32,186
10.8
57
53
49
45
28
27
33,378
10.4
59
55
51
46
27
26
33,424
10.4
59
55
51
46
26
25
33,473
10.4
59
55
51
46
25
24
33,527
10.4
59
55
51
47
24
23
33,585
10.4
59
55
51
47
28
26
34,661
10.1
61
57
53
48
27
25
34,760
10.0
61
57
53
48
26
24
34,868
10.0
62
57
53
48
25
23
34,984
10.0
62
57
53
49
19
17
35,972
9.7
64
59
55
50
45
28
25
36,048
9.7
64
59
55
50
46
27
24
36,209
9.6
64
59
55
50
46
26
23
36,384
9.6
64
60
55
51
46
28
24
37,550
9.3
66
62
57
52
47
27
23
37,783
9.2
67
62
57
52
48
23
19
38,962
8.9
69
64
59
54
49
28
23
39,183
8.9
69
64
59
54
49
45
24
19
40,656
8.6
72
67
62
56
51
46
25
19
42,350
8.2
75
70
64
59
53
48
23
17
43,545
8.0
71
66
60
55
49
26
19
44,043
7.9
72
67
61
56
50
24
17
45,439
7.7
75
69
63
57
52
46
27
19
45,737
7.6
75
69
64
58
52
46
25
17
47,332
7.4
72
66
60
54
48
28
19
47,431
7.3
72
66
60
54
48
26
17
49,225
7.1
75
68
62
56
50
27
17
51,118
6.8
71
65
58
52
45
28
17
53,012
6.6
Not Recommended
74
67
60
54
47