Great Plains YP2425F-2470 Material Rate - Manual (Page 19)

Great Plains Manufacturing, Inc. Table of Contents Appendix Finger Meter Planting 17
2013-09-23 Table of Contents Appendix 401-406B
Finger Meter RPM Limits 12 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 89 100 53 460 Twin Row 76.2cm 6.4 220 163 132 098
15in Rows 4.5 79 200 47 520 38.1cm Rows 7.2 195 701 117 420
5.0 71 280 42 768 8.0 176 130 105 678
Max Min 5.5 64 800 38 880 Max Min 8.9 160 119 96 071
rpm rpm 6.0 59 400 35 640 rpm rpm 9.7 146 775 88 065
75 45 6.5 54 831 32 898 75 45 10.5 135 485 81 291
20in Rows 4.0 66 825 40 095 50.8cm Rows 6.4 165 122 99 073
4.5 59 400 35 640 (20in Rows) 7.2 146 775 88 065
5.0 53 460 32 076 8.0 132 098 79 259
Max Min 5.5 48 600 29 160 Max Min 8.9 120 089 72 053
rpm rpm 6.0 44 550 26 730 rpm rpm 9.7 110 082 66 049
75 45 6.5 41 123 24 674 75 45 10.5 101 614 60 968
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 48 496 29 098 70cm Rows 6.4 119 741 71 844
(27.6in Rows) 4.5 43 107 25 864 (27.6in Rows) 7.2 106 436 63 862
5.0 38 797 23 278 8.0 95 792 57 475
Max Min 5.5 35 270 21 162 Max Min 8.9 87 084 52 250
rpm rpm 6.0 32 331 19 398 rpm rpm 9.7 79 827 47 896
75 45 6.5 29 844 17 906 75 45 10.5 73 687 44 212
30in Rows 4.0 44 550 26 730 76.2cm Rows 6.4 110 082 66 049
4.5 39 600 23 760 (30in Rows) 7.2 97 850 58 710
5.0 35 640 21 384 8.0 88 065 52 839
Max Min 5.5 32 400 19 440 Max Min 8.9 80 059 48 036
rpm rpm 6.0 29 700 17 820 rpm rpm 9.7 73 388 44 033
75 45 6.5 27 415 16 449 75 45 10.5 67 742 40 645
34123B
(30in Tw./15in Rows)