30in rows, 6 finger, 30in rows, 6 finger meter – Great Plains YP1625 Material Rate User Manual
Page 45: Low range

Great Plains Mfg., Inc.
41
11/23/2011
401-263B
30in Rows, 6 Finger
Null4:
YP 1225 - 1625
30in Rows
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 75 RPM
For Flat Corn optimum meter speed is 60 to 75 RPM
( Shaded & Non-shaded areas )
(Shaded area)
Range
Driving =
30
Sprockets
Driven =
15
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
15.6
74
68
62
57
51
45
17
27
13 933
15.0
70
65
59
53
47
17
26
14 469
14.5
73
67
61
55
49
19
28
15 017
13.9
70
63
57
51
17
25
15 048
13.9
70
63
57
51
19
27
15 573
13.4
72
66
59
52
46
17
24
15 675
13.3
73
66
59
53
46
19
26
16 172
12.9
75
68
61
54
48
17
23
16 357
12.8
69
62
55
48
19
25
16 819
12.4
71
64
57
50
19
24
17 519
11.9
74
66
59
52
23
28
18 178
11.5
69
61
54
19
23
18 281
11.4
69
62
54
23
27
18 851
11.1
71
63
56
24
28
18 968
11.0
72
64
56
23
26
19 576
10.7
74
66
58
24
27
19 671
10.6
75
66
58
25
28
19 759
10.6
75
67
58
17
19
19 800
10.6
75
67
58
23
25
20 359
10.3
69
60
24
26
20 427
10.2
69
60
25
27
20 490
10.2
69
60
26
28
20 549
10.2
69
61
23
24
21 208
9.9
71
62
24
25
21 244
9.8
72
63
25
26
21 279
9.8
72
63
26
27
21 310
9.8
72
63
27
28
21 339
9.8
72
63
23
23
22 130
9.4
75
65
28
27
22 949
9.1
68
27
26
22 981
9.1
68
26
25
23 015
9.1
68
25
24
23 052
9.1
68
24
23
23 092
9.1
Not Recommended
68
28
26
23 832
8.8
70
27
25
23 900
8.7
70
26
24
23 974
8.7
71
25
23
24 054
8.7
71
19
17
24 733
8.5
73
28
25
24 785
8.4
73
27
24
24 896
8.4
73
26
23
25 016
8.4
74
28
24
25 818
8.1
27
23
25 978
8.0
23
19
26 789
7.8
28
23
26 940
7.8
24
19
27 953
7.5
25
19
29 118
7.2
23
17
29 940
7.0
26
19
30 283
6.9
24
17
31 242
6.7
27
19
31 447
6.6
25
17
32 544
6.4
28
19
32 612
6.4
26
17
33 845
6.2
27
17
35 147
5.9
28
17
36 449
5.7
31206