Great Plains 2525P Material Rate - Manual (Page 58)

Great Plains Mfg., Inc.
56
118-231B 03/23/2010
2025-P TWIN ROW 40" 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 85 RPM
( Shaded & Non shaded areas )
Range Sprockets:
Driver =
60 For Flat Corn optimum meter speed is 60 to 85 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 17,587 17.8 69 64 59 54 49 Not Recommended
17 27 18,239 17.2 72 67 61 56 51 46
17 26 18,940 16.6 74 69 64 58 53 48
19 28 19,656 16.0 77 72 66 61 55 50
17 25 19,698 15.9 77 72 66 61 55 50
19 27 20,384 15.4 80 74 69 63 57 51 46
17 24 20,518 15.3 81 75 69 63 58 52 46
19 26 21,168 14.8 83 77 71 65 59 53 48
17 23 21,410 14.6 84 78 72 66 60 54 48
19 25 22,015 14.2 80 74 68 62 56 49
19 24 22,932 13.7 84 77 71 64 58 51 45
23 28 23,794 13.2 80 73 67 60 53 47
19 23 23,929 13.1 81 74 67 60 54 47
23 27 24,676 12.7 83 76 69 62 55 48
24 28 24,829 12.6 84 77 70 63 56 49
23 26 25,625 12.2 79 72 65 58 50
24 27 25,749 12.2 79 72 65 58 51
25 28 25,863 12.1 80 73 65 58 51
17 19 25,918 12.1 80 73 65 58 51
23 25 26,650 11.8 82 75 67 60 52
24 26 26,739 11.7 83 75 68 60 53
25 27 26,821 11.7 83 75 68 60 53
26 28 26,898 11.7 83 75 68 60 53
23 24 27,760 11.3 78 70 62 55
24 25 27,808 11.3 78 70 62 55
25 26 27,853 11.3 78 70 63 55
26 27 27,894 11.2 78 70 63 55
27 28 27,933 11.2 78 71 63 55
23 23 28,967 10.8 81 73 65 57
28 27 30,040 10.4 84 76 67 59
27 26 30,081 10.4 84 76 68 59
26 25 30,126 10.4 85 76 68 59
25 24 30,174 10.4 85 76 68 59
24 23 30,227 10.4 85 76 68 59
28 26 31,195 10.1 79 70 61
27 25 31,284 10.0 79 70 61
26 24 31,381 10.0 Not Recommended 79 70 62
25 23 31,486 10.0 80 71 62
19 17 32,375 9.7 82 73 64
28 25 32,443 9.7 82 73 64
27 24 32,588 9.6 82 73 64
26 23 32,745 9.6 83 74 64
28 24 33,795 9.3 85 76 66
27 23 34,005 9.2 76 67
23 19 35,065 8.9 79 69
28 23 35,264 8.9 79 69
24 19 36,590 8.6 82 72
25 19 38,115 8.2 75
23 17 39,191 8.0 77
26 19 39,639 7.9 78
24 17 40,895 7.7 80
27 19 41,164 7.6 81
25 17 42,599 7.4 84
28 19 42,688 7.3 84
26 17 44,303 7.1
27 17 46,007 6.8
28 17 47,710 6.6