Ground drive finger meter charts, 20in rows, 6 finger, 20in rows 6 finger meter – Great Plains YP1625 Material Rate User Manual
Page 40

Great Plains Mfg., Inc.
36
401-263B
11/23/2011
Ground Drive Finger Meter Charts
YP 1225 - 1625
20in Rows
6 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 =
20
Ground Speed
Transmission
Seed
Seed
7 mph
6.5 mph
6 mph
5.5 mph
5 mph
4.5 mph
4 mph
3.5 mph
Combinations
Population
Spacing
Meter
Meter
Meter
Meter
Meter
Meter
Meter
Meter
Driving
Driven
(seeds/acre)
(inches)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
(rpm)
17
28
15 115
20.7
59
55
51
47
17
27
15 675
20.0
62
57
53
48
17
26
16 278
19.3
64
59
55
50
46
Not Recommended
19
28
16 894
18.6
66
62
57
52
47
17
25
16 929
18.5
67
62
57
52
48
19
27
17 519
17.9
69
64
59
54
49
17
24
17 635
17.8
69
64
59
54
49
45
19
26
18 193
17.2
71
66
61
56
51
46
17
23
18 401
17.0
72
67
62
57
52
46
19
25
18 921
16.6
74
69
64
58
53
48
19
24
19 709
15.9
72
66
61
55
50
23
28
20 450
15.3
75
69
63
57
52
46
19
23
20 566
15.2
75
69
63
58
52
46
23
27
21 208
14.8
71
65
60
54
48
24
28
21 339
14.7
72
66
60
54
48
23
26
22 023
14.2
74
68
62
56
49
24
27
22 130
14.2
75
68
62
56
50
25
28
22 228
14.1
75
69
62
56
50
17
19
22 275
14.1
75
69
63
56
50
23
25
22 904
13.7
71
64
58
51
45
24
26
22 981
13.6
71
64
58
52
45
25
27
23 052
13.6
71
65
58
52
45
26
28
23 118
13.6
71
65
58
52
45
23
24
23 859
13.1
74
67
60
54
47
24
25
23 900
13.1
74
67
60
54
47
25
26
23 938
13.1
74
67
60
54
47
26
27
23 974
13.1
74
67
61
54
47
27
28
24 007
13.1
74
67
61
54
47
23
23
24 896
12.6
70
63
56
49
28
27
25 818
12.1
72
65
58
51
27
26
25 853
12.1
73
65
58
51
26
25
25 892
12.1
73
65
58
51
25
24
25 933
12.1
73
65
58
51
24
23
25 978
12.1
73
66
58
51
28
26
26 811
11.7
75
68
60
53
27
25
26 888
11.7
75
68
60
53
26
24
26 971
11.6
68
61
53
25
23
27 061
11.6
68
61
53
19
17
27 825
11.3
70
62
55
28
25
27 883
11.2
70
63
55
27
24
28 008
11.2
Not Recommended
71
63
55
26
23
28 143
11.1
71
63
55
28
24
29 045
10.8
73
65
57
27
23
29 226
10.7
74
66
57
23
19
30 137
10.4
68
59
28
23
30 308
10.3
68
60
24
19
31 447
10.0
71
62
25
19
32 758
9.6
74
64
23
17
33 683
9.3
66
26
19
34 068
9.2
67
24
17
35 147
8.9
69
27
19
35 378
8.9
69
25
17
36 612
8.6
72
28
19
36 689
8.5
72
26
17
38 076
8.2
75
27
17
39 540
7.9
28
17
41 005
7.6
31201
20in Rows, 6 Finger