Great Plains 2525P Material Rate - Manual (Page 54)

Great Plains Mfg., Inc.
52
118-231B 03/23/2010
2025-P TWIN ROW 38" 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 18,513 17.8 69 64 59 54 49 Not Recommended
17 27 19,198 17.2 72 67 61 56 51 46
17 26 19,937 16.6 74 69 64 58 53 48
19 28 20,691 16.0 77 72 66 61 55 50
17 25 20,734 15.9 77 72 66 61 55 50
19 27 21,457 15.4 80 74 69 63 57 51 46
17 24 21,598 15.3 81 75 69 63 58 52 46
19 26 22,282 14.8 83 77 71 65 59 53 48
17 23 22,537 14.6 84 78 72 66 60 54 48
19 25 23,174 14.2 80 74 68 62 56 49
19 24 24,139 13.7 84 77 71 64 58 51 45
23 28 25,047 13.2 80 73 67 60 53 47
19 23 25,189 13.1 81 74 67 60 54 47
23 27 25,974 12.7 83 76 69 62 55 48
24 28 26,136 12.6 84 77 70 63 56 49
23 26 26,973 12.2 79 72 65 58 50
24 27 27,104 12.2 79 72 65 58 51
25 28 27,225 12.1 80 73 65 58 51
17 19 27,282 12.1 80 73 65 58 51
23 25 28,052 11.8 82 75 67 60 52
24 26 28,146 11.7 83 75 68 60 53
25 27 28,233 11.7 83 75 68 60 53
26 28 28,314 11.7 83 75 68 60 53
23 24 29,221 11.3 78 70 62 55
24 25 29,272 11.3 78 70 62 55
25 26 29,319 11.3 78 70 63 55
26 27 29,362 11.2 78 70 63 55
27 28 29,403 11.2 78 71 63 55
23 23 30,492 10.8 81 73 65 57
28 27 31,621 10.4 84 76 67 59
27 26 31,664 10.4 84 76 68 59
26 25 31,711 10.4 85 76 68 59
25 24 31,762 10.4 85 76 68 59
24 23 31,817 10.4 85 76 68 59
28 26 32,837 10.1 79 70 61
27 25 32,931 10.0 79 70 61
26 24 33,033 10.0 Not Recommended 79 70 62
25 23 33,143 10.0 80 71 62
19 17 34,079 9.7 82 73 64
28 25 34,151 9.7 82 73 64
27 24 34,303 9.6 82 73 64
26 23 34,469 9.6 83 74 64
28 24 35,574 9.3 85 76 66
27 23 35,795 9.2 76 67
23 19 36,911 8.9 79 69
28 23 37,120 8.9 79 69
24 19 38,516 8.6 82 72
25 19 40,121 8.2 75
23 17 41,253 8.0 77
26 19 41,725 7.9 78
24 17 43,047 7.7 80
27 19 43,330 7.6 81
25 17 44,841 7.4 84
28 19 44,935 7.3 84
26 17 46,634 7.1
27 17 48,428 6.8
28 17 50,222 6.6