Twin row 30in, 6 finger, low range, Twin row 30in, 6 finger meter – Great Plains YP1625 Material Rate User Manual
Page 42: Low range
Great Plains Mfg., Inc.
38
401-263B
11/23/2011
Twin Row 30in, 6 Finger, Low Range
Null4:
YP 1225 - 1625
Twin Row 30in
Low Range
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 85 RPM
For Flat Corn optimum meter speed is 60 to 85 RPM
( Shaded & Non-shaded areas )
(Shaded area)
Range
Driving =
30
Sprockets
Driven =
30
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
13 436
31.1
17
27
13 933
30.0
17
26
14 469
28.9
19
28
15 017
27.8
17
25
15 048
27.8
19
27
15 573
26.9
46
17
24
15 675
26.7
46
19
26
16 172
25.9
48
17
23
16 357
25.6
48
45
19
25
16 819
24.9
50
46
19
24
17 519
23.9
52
48
23
28
18 178
23.0
54
50
46
Not Recommended
19
23
18 281
22.9
54
50
46
23
27
18 851
22.2
56
52
48
24
28
18 968
22.0
56
52
48
23
26
19 576
21.4
58
54
49
45
24
27
19 671
21.3
58
54
50
46
25
28
19 759
21.2
58
54
50
46
17
19
19 800
21.1
58
54
50
46
23
25
20 359
20.5
60
56
51
47
24
26
20 427
20.5
60
56
52
47
25
27
20 490
20.4
60
56
52
47
26
28
20 549
20.4
61
56
52
48
23
24
21 208
19.7
62
58
54
49
45
24
25
21 244
19.7
63
58
54
49
45
25
26
21 279
19.7
63
58
54
49
45
26
27
21 310
19.6
63
58
54
49
45
27
28
21 339
19.6
63
58
54
49
45
23
23
22 130
18.9
65
61
56
51
47
28
27
22 949
18.2
68
63
58
53
48
27
26
22 981
18.2
68
63
58
53
48
26
25
23 015
18.2
68
63
58
53
48
25
24
23 052
18.1
68
63
58
53
49
24
23
23 092
18.1
68
63
58
53
49
28
26
23 832
17.5
70
65
60
55
50
45
27
25
23 900
17.5
70
65
60
55
50
45
26
24
23 974
17.4
71
66
61
55
50
45
25
23
24 054
17.4
71
66
61
56
51
46
19
17
24 733
16.9
73
68
62
57
52
47
28
25
24 785
16.9
73
68
63
57
52
47
27
24
24 896
16.8
73
68
63
58
52
47
26
23
25 016
16.7
74
68
63
58
53
47
28
24
25 818
16.2
76
71
65
60
54
49
27
23
25 978
16.1
77
71
66
60
55
49
23
19
26 789
15.6
79
73
68
62
56
51
45
28
23
26 940
15.5
79
74
68
62
57
51
45
24
19
27 953
15.0
82
76
71
65
59
53
47
25
19
29 118
14.4
80
74
67
61
55
49
23
17
29 940
14.0
82
76
69
63
57
50
26
19
30 283
13.8
83
76
70
64
57
51
45
24
17
31 242
13.4
85
79
72
66
59
53
46
27
19
31 447
13.3
79
73
66
60
53
46
25
17
32 544
12.8
82
75
68
62
55
48
28
19
32 612
12.8
82
75
69
62
55
48
26
17
33 845
12.4
85
78
71
64
57
50
27
17
35 147
11.9
Not Recommended
81
74
67
59
52
28
17
36 449
11.5
84
77
69
61
54
31203