Great Plains 2525P Material Rate - Manual (Page 56)

Great Plains Mfg., Inc.
54
118-231B 03/23/2010
2025-P 40" ROWS 2525-P
ATTENTION ! ! ! (For all seed corn types)
6 Finger Meter
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
( Shaded & Non shaded areas )
Range Sprockets:
Driver =
60 For Flat Corn optimum meter speed is 60 to 75 RPM
Driven = 15 (Shaded area)
Ground Speed
Transmission 7 mph 6.5 mph 6 mph 5.5 mph 5 mph 4.5 mph 4 mph 3.5 mph
Combinations Seed Seed
Population Spacing Meter Meter Meter Meter Meter Meter Meter Meter
Driver Driven (seeds/acre) (inches) (rpm) (rpm) (rpm) (rpm) (rpm) (rpm) (rpm) (rpm)
17 28 8,794 17.8 69 64 59 54 49 Not Recommended
17 27 9,119 17.2 72 67 61 56 51 46
17 26 9,470 16.6 74 69 64 58 53 48
19 28 9,828 16.0 72 66 61 55 50
17 25 9,849 15.9 72 66 61 55 50
19 27 10,192 15.4 74 69 63 57 51 46
17 24 10,259 15.3 75 69 63 58 52 46
19 26 10,584 14.8 71 65 59 53 48
17 23 10,705 14.6 72 66 60 54 48
19 25 11,007 14.2 74 68 62 56 49
19 24 11,466 13.7 71 64 58 51 45
23 28 11,897 13.2 73 67 60 53 47
19 23 11,965 13.1 74 67 60 54 47
23 27 12,338 12.7 69 62 55 48
24 28 12,414 12.6 70 63 56 49
23 26 12,812 12.2 72 65 58 50
24 27 12,874 12.2 72 65 58 51
25 28 12,932 12.1 73 65 58 51
17 19 12,959 12.1 73 65 58 51
23 25 13,325 11.8 75 67 60 52
24 26 13,369 11.7 75 68 60 53
25 27 13,411 11.7 75 68 60 53
26 28 13,449 11.7 75 68 60 53
23 24 13,880 11.3 70 62 55
24 25 13,904 11.3 70 62 55
25 26 13,926 11.3 70 63 55
26 27 13,947 11.2 Not Recommended 70 63 55
27 28 13,966 11.2 71 63 55
23 23 14,484 10.8 73 65 57
28 27 15,020 10.4 67 59
27 26 15,041 10.4 68 59
26 25 15,063 10.4 68 59
25 24 15,087 10.4 68 59
24 23 15,113 10.4 68 59
28 26 15,598 10.1 70 61
27 25 15,642 10.0 70 61
26 24 15,690 10.0 70 62
25 23 15,743 10.0 71 62
19 17 16,187 9.7 73 64
28 25 16,222 9.7 73 64
27 24 16,294 9.6 73 64
26 23 16,373 9.6 74 64
28 24 16,897 9.3 66
27 23 17,002 9.2 67
23 19 17,533 8.9 69
28 23 17,632 8.9 69
24 19 18,295 8.6 72
25 19 19,057 8.2 75
23 17 19,595 8.0
26 19 19,820 7.9
24 17 20,447 7.7
27 19 20,582 7.6
25 17 21,299 7.4
28 19 21,344 7.3
26 17 22,151 7.1
27 17 23,003 6.8
28 17 23,855 6.6