Twin row 91.4cm, 12 finger – Great Plains YP1625 Material Rate User Manual
Page 101
Great Plains Mfg., Inc.
97
11/23/2011
401-263B
Twin Row 91.4cm, 12 Finger
YP 1225 - 1625
Twin Row 91.4cm
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 =
20
Sprockets
Driven =
18
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
61 481
35.6
17
27
63 759
34.3
46
17
26
66 211
33.0
47
19
28
68 715
31.8
49
46
17
25
68 859
31.8
49
46
19
27
71 260
30.7
51
47
17
24
71 728
30.5
51
48
19
26
74 000
29.6
53
49
45
Not Recommended
17
23
74 847
29.2
54
50
46
19
25
76 960
28.4
55
51
47
19
24
80 167
27.3
57
53
49
45
23
28
83 181
26.3
60
55
51
47
19
23
83 653
26.1
60
56
51
47
23
27
86 262
25.4
62
57
53
48
24
28
86 797
25.2
62
58
53
49
23
26
89 579
24.4
64
60
55
50
46
24
27
90 012
24.3
64
60
55
51
46
25
28
90 414
24.2
65
60
55
51
46
17
19
90 604
24.1
65
60
56
51
46
23
25
93 163
23.5
67
62
57
52
48
24
26
93 474
23.4
67
62
57
53
48
25
27
93 763
23.3
67
62
57
53
48
26
28
94 031
23.3
67
62
58
53
48
23
24
97 044
22.5
69
64
60
55
50
45
24
25
97 213
22.5
70
65
60
55
50
45
25
26
97 369
22.5
70
65
60
55
50
45
26
27
97 513
22.4
70
65
60
55
50
45
27
28
97 647
22.4
70
65
60
55
50
45
23
23
101 264
21.6
72
67
62
57
52
47
28
27
105 014
20.8
75
70
64
59
54
48
27
26
105 158
20.8
75
70
64
59
54
48
26
25
105 314
20.8
75
70
65
59
54
48
25
24
105 483
20.7
75
70
65
59
54
49
24
23
105 666
20.7
70
65
59
54
49
28
26
109 053
20.1
72
67
61
56
50
45
27
25
109 365
20.0
73
67
61
56
50
45
26
24
109 702
19.9
73
67
62
56
50
45
25
23
110 069
19.9
73
67
62
56
51
45
19
17
113 177
19.3
75
69
64
58
52
46
28
25
113 415
19.3
75
70
64
58
52
46
27
24
113 922
19.2
70
64
58
52
47
26
23
114 472
19.1
70
64
58
53
47
28
24
118 141
18.5
72
66
60
54
48
27
23
118 875
18.4
73
67
61
55
49
23
19
122 582
17.8
75
69
63
56
50
28
23
123 277
17.7
69
63
57
50
24
19
127 912
17.1
72
65
59
52
46
25
19
133 242
16.4
75
68
61
54
48
23
17
137 004
16.0
70
63
56
49
26
19
138 571
15.8
71
64
57
50
24
17
142 960
15.3
73
66
58
51
27
19
143 901
15.2
74
66
59
51
25
17
148 917
14.7
Not Recommended
68
61
53
28
19
149 231
14.7
69
61
53
26
17
154 874
14.1
71
63
55
27
17
160 830
13.6
74
66
58
28
17
166 787
13.1
68
60
32370K
.eps
112.0%