8cm rows, 12 finger, 8cm rows 12 finger meter – Great Plains YP1625 Material Rate User Manual
Page 91
Great Plains Mfg., Inc.
87
11/23/2011
401-263B
50.8cm Rows, 12 Finger
YP 1225 - 1625
50.8cm Rows
12 Finger Meter
ATTENTION ! ! !
(For all seed corn types)
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
For Flat Corn optimum meter speed is 60 to 75 RPM
( Shaded & Non-shaded areas )
(Shaded area)
Range
Driving =
30
Sprockets
Driven =
30
Ground Speed
Transmission
Seed
Seed
11.3 kph
10.5 kph
9.7 kph
8.9 kph
8 kph
7.2 kph
6.4 kph
5.6 kph
Combinations
Population
Spacing
Meter
Meter
Meter
Meter
Meter
Meter
Meter
Meter
Driving
Driven
(seeds/ha)
(cm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
17
28
49 800
39.5
17
27
51 644
38.1
17
26
53 631
36.7
19
28
55 659
35.4
17
25
55 776
35.3
19
27
57 720
34.1
46
17
24
58 100
33.9
46
19
26
59 940
32.8
48
17
23
60 626
32.5
48
45
19
25
62 338
31.6
50
46
19
24
64 935
30.3
52
48
23
28
67 376
29.2
54
50
46
Not Recommended
19
23
67 759
29.1
54
50
46
23
27
69 872
28.2
56
52
48
24
28
70 306
28.0
56
52
48
23
26
72 559
27.1
58
54
49
45
24
27
72 910
27.0
58
54
50
46
25
28
73 235
26.9
58
54
50
46
17
19
73 389
26.8
58
54
50
46
23
25
75 462
26.1
60
56
51
47
24
26
75 714
26.0
60
56
52
47
25
27
75 948
25.9
60
56
52
47
26
28
76 165
25.8
61
56
52
48
23
24
78 606
25.0
62
58
54
49
45
24
25
78 743
25.0
63
58
54
49
45
25
26
78 869
25.0
63
58
54
49
45
26
27
78 986
24.9
63
58
54
49
45
27
28
79 094
24.9
63
58
54
49
45
23
23
82 024
24.0
65
61
56
51
47
28
27
85 061
23.1
68
63
58
53
48
27
26
85 178
23.1
68
63
58
53
48
26
25
85 304
23.1
68
63
58
53
48
25
24
85 441
23.0
68
63
58
53
49
24
23
85 590
23.0
68
63
58
53
49
28
26
88 333
22.3
70
65
60
55
50
45
27
25
88 585
22.2
70
65
60
55
50
45
26
24
88 859
22.2
71
66
61
55
50
45
25
23
89 156
22.1
71
66
61
56
51
46
19
17
91 673
21.5
73
68
62
57
52
47
28
25
91 866
21.4
73
68
63
57
52
47
27
24
92 276
21.3
73
68
63
58
52
47
26
23
92 722
21.2
74
68
63
58
53
47
28
24
95 694
20.6
71
65
60
54
49
27
23
96 289
20.4
71
66
60
55
49
23
19
99 292
19.8
73
68
62
56
51
45
28
23
99 855
19.7
74
68
62
57
51
45
24
19
103 609
19.0
71
65
59
53
47
25
19
107 926
18.2
74
67
61
55
49
23
17
110 973
17.7
69
63
57
50
26
19
112 243
17.5
70
64
57
51
45
24
17
115 798
17.0
72
66
59
53
46
27
19
116 560
16.9
73
66
60
53
46
25
17
120 623
16.3
75
68
62
55
48
28
19
120 877
16.3
Not Recommended
75
69
62
55
48
26
17
125 448
15.7
71
64
57
50
27
17
130 273
15.1
74
67
59
52
28
17
135 098
14.6
69
61
54
32370B
.eps
112.0%