Twin row 30 – Great Plains YP1625 Material Rate User Manual
Page 4
YIELD PRO 16
TWIN ROW 30"
6 FINGER METER
Low Range
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 = 30
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
13,306
31.4
17
27
13,799
30.3
17
26
14,330
29.2
19
28
14,872
28.1
17
25
14,903
28.1
19
27
15,423
27.1
45
17
24
15,524
26.9
46
19
26
16,016
26.1
47
17
23
16,199
25.8
48
19
25
16,657
25.1
49
46
19
24
17,351
24.1
51
47
23
28
18,003
23.2
53
49
45
19
23
18,105
23.1
53
50
46
Not Recommended
23
27
18,670
22.4
55
51
47
24
28
18,786
22.3
55
51
47
23
26
19,388
21.6
57
53
49
45
24
27
19,481
21.5
57
53
49
45
25
28
19,568
21.4
58
54
49
45
17
19
19,609
21.3
58
54
50
45
23
25
20,163
20.7
59
55
51
47
24
26
20,231
20.7
60
55
51
47
25
27
20,293
20.6
60
56
51
47
26
28
20,351
20.5
60
56
51
47
23
24
21,003
19.9
62
57
53
49
24
25
21,040
19.9
62
58
53
49
25
26
21,074
19.8
62
58
53
49
26
27
21,105
19.8
62
58
53
49
27
28
21,134
19.8
62
58
53
49
23
23
21,916
19.1
65
60
55
51
46
28
27
22,728
18.4
67
62
57
53
48
27
26
22,759
18.4
67
62
57
53
48
26
25
22,793
18.3
67
62
58
53
48
25
24
22,830
18.3
67
62
58
53
48
24
23
22,869
18.3
67
63
58
53
48
28
26
23,602
17.7
70
65
60
55
50
45
27
25
23,670
17.7
70
65
60
55
50
45
26
24
23,743
17.6
70
65
60
55
50
45
25
23
23,822
17.6
70
65
60
55
50
45
19
17
24,495
17.1
72
67
62
57
52
46
28
25
24,546
17.0
72
67
62
57
52
46
27
24
24,656
17.0
73
67
62
57
52
47
26
23
24,775
16.9
73
68
63
57
52
47
28
24
25,569
16.4
75
70
65
59
54
48
27
23
25,728
16.3
70
65
60
54
49
23
19
26,530
15.8
73
67
61
56
50
45
28
23
26,681
15.7
73
67
62
56
51
45
24
19
27,684
15.1
70
64
58
52
47
25
19
28,837
14.5
73
67
61
55
49
23
17
29,652
14.1
75
69
62
56
50
26
19
29,991
13.9
69
63
57
50
24
17
30,941
13.5
72
65
59
52
46
27
19
31,144
13.4
72
66
59
52
46
25
17
32,230
13.0
75
68
61
54
47
28
19
32,298
12.9
Not Recommended
75
68
61
54
48
26
17
33,519
12.5
71
63
56
49
27
17
34,809
12.0
73
66
59
51
28
17
36,098
11.6
68
61
53
Twin Row 30"
Range Sprockets: