Charts: 6-finger meter – Great Plains YP2425F-2470 Material Rate User Manual
Page 18
16
YP2425 & YP2425F
Great Plains Manufacturing, Inc.
401-406B
2013-09-23
Finger Meter RPM Limits
6 Finger Meter
Seed Lubricant Required
U.S. Customary Units
Metric Units
Planting
Maximum Minimum
Planting
Maximum Minimum
Row Spacing and
Speed
Population Population
Speed
Population Population
RPM Limits
(mph)
(seeds/ac) (seeds/ac)
(kph)
(seeds/ha) (seeds/ha)
Twin Row 30in
4.0
50 490
26 730
Twin Row 76.2cm
6.4
124 759
66 049
15in Rows
4.5
44 880
23 760
38.1cm Rows
7.2
110 897
58 710
5.0
40 392
21 384
8.0
99 807
52 839
Max
Min
5.5
36 720
19 440
Max
Min
8.9
90 734
48 036
rpm
rpm
6.0
33 660
17 820
rpm
rpm
9.7
83 173
44 033
85
45
6.5
31 071
16 449
85
45
10.5
76 775
40 645
20in Rows
4.0
37 868
20 048
50.8cm Rows
6.4
93 569
49 537
4.5
33 660
17 820
(20in Rows)
7.2
83 173
44 033
5.0
30 294
16 038
8.0
74 855
39 629
Max
Min
5.5
27 540
14 580
Max
Min
8.9
68 050
36 027
rpm
rpm
6.0
25 245
13 365
rpm
rpm
9.7
62 380
33 024
85
45
6.5
23 303
12 337
85
45
10.5
57 581
30 484
U.S. Customary Units
Metric Units
Planting
Maximum Minimum
Planting
Maximum Minimum
Speed
Population Population
Speed
Population Population
(mph)
(seeds/ac) (seeds/ac)
(kph)
(seeds/ha) (seeds/ha)
70cm Rows
4.0
27 481
14 549
70cm Rows
6.4
67 853
35 922
(27.6in Rows)
4.5
24 428
12 932
(27.6in Rows)
7.2
60 314
31 931
5.0
21 985
11 639
8.0
54 282
28 738
Max
Min
5.5
19 986
10 581
Max
Min
8.9
49 348
26 125
rpm
rpm
6.0
18 321
09 699
rpm
rpm
9.7
45 235
23 948
85
45
6.5
16 911
08 953
85
45
10.5
41 756
22 106
30in Rows
4.0
25 245
13 365
76.2cm Rows
6.4
62 380
33 024
4.5
22 440
11 880
(30in Rows)
7.2
55 448
29 355
5.0
20 196
10 692
8.0
49 904
26 420
Max
Min
5.5
18 360
9 720
Max
Min
8.9
45 367
24 018
rpm
rpm
6.0
16 830
8 910
rpm
rpm
9.7
41 586
22 016
85
45
6.5
15 535
8 225
85
45
10.5
38 387
20 323
34123A
(30in Tw./15in Rows)