30" rows – Great Plains YP1625 Material Rate User Manual
Page 9
YIELD PRO 16
30" ROWS
12 FINGER METER
High Range
30" Row Spacing
For Round Corn optimum meter speed is 45 to 75 RPM
For Flat Corn optimum meter speed is 65 to 75 RPM
Driver = 30
(Shaded area)
Driven = 20
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
Optimum Optimum Optimum Optimum Optimum Optimum Optimum Optimum
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
19,960
10.5
59
55
50
46
17
27
20,699
10.1
61
57
52
48
Not Recommended
17
26
21,495
9.7
63
59
54
50
45
19
28
22,308
9.4
66
61
56
52
47
17
25
22,355
9.4
66
61
56
52
47
19
27
23,134
9.0
68
63
58
54
49
17
24
23,286
9.0
69
64
59
54
49
19
26
24,024
8.7
71
66
61
56
51
45
17
23
24,299
8.6
72
66
61
56
51
46
19
25
24,985
8.4
74
68
63
58
53
47
19
24
26,026
8.0
71
66
60
55
49
23
28
27,004
7.7
74
68
63
57
51
45
19
23
27,157
7.7
74
69
63
57
51
46
23
27
28,004
7.5
71
65
59
53
47
24
28
28,178
7.4
71
65
59
53
47
23
26
29,082
7.2
73
67
61
55
49
24
27
29,222
7.2
74
68
61
55
49
25
28
29,352
7.1
74
68
62
56
49
17
19
29,414
7.1
74
68
62
56
50
23
25
30,245
6.9
70
64
57
51
45
24
26
30,346
6.9
70
64
57
51
45
25
27
30,440
6.9
70
64
58
51
45
26
28
30,527
6.8
71
64
58
51
45
23
24
31,505
6.6
73
66
60
53
46
24
25
31,560
6.6
73
66
60
53
46
25
26
31,610
6.6
73
67
60
53
47
26
27
31,657
6.6
73
67
60
53
47
27
28
31,701
6.6
73
67
60
53
47
23
23
32,875
6.4
69
62
55
48
28
27
34,092
6.1
72
65
57
50
27
26
34,139
6.1
72
65
57
50
26
25
34,190
6.1
72
65
58
50
25
24
34,245
6.1
72
65
58
50
24
23
34,304
6.1
72
65
58
51
28
26
35,404
5.9
75
67
60
52
27
25
35,505
5.9
75
67
60
52
26
24
35,614
5.9
75
67
60
52
25
23
35,733
5.9
75
68
60
53
19
17
36,742
5.7
70
62
54
28
25
36,820
5.7
70
62
54
27
24
36,984
5.7
70
62
54
26
23
37,163
5.6
70
63
55
28
24
38,354
5.5
73
65
56
27
23
38,592
5.4
73
65
57
23
19
39,796
5.3
75
67
59
28
23
40,021
5.2
67
59
24
19
41,526
5.0
Not Recommended
70
61
25
19
43,256
4.8
73
64
23
17
44,478
4.7
75
66
26
19
44,986
4.6
66
24
17
46,411
4.5
68
27
19
46,717
4.5
69
25
17
48,345
4.3
71
28
19
48,447
4.3
71
26
17
50,279
4.2
74
27
17
52,213
4.0
28
17
54,147
3.9
Range Sprockets: