Great Plains 2525P Material Rate - Manual (Page 57)

Great Plains Mfg., Inc.
55
03/23/2010 118-231B
2025-P 40" ROWS 2525-P
ATTENTION ! ! ! (For all seed corn types)
12 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 17,587 8.9 69 64 59 54 49 Not Recommended
17 27 18,239 8.6 72 67 61 56 51 46
17 26 18,940 8.3 74 69 64 58 53 48
19 28 19,656 8.0 72 66 61 55 50
17 25 19,698 8.0 72 66 61 55 50
19 27 20,384 7.7 74 69 63 57 51 46
17 24 20,518 7.6 75 69 63 58 52 46
19 26 21,168 7.4 71 65 59 53 48
17 23 21,410 7.3 72 66 60 54 48
19 25 22,015 7.1 74 68 62 56 49
19 24 22,932 6.8 71 64 58 51 45
23 28 23,794 6.6 73 67 60 53 47
19 23 23,929 6.6 74 67 60 54 47
23 27 24,676 6.4 69 62 55 48
24 28 24,829 6.3 70 63 56 49
23 26 25,625 6.1 72 65 58 50
24 27 25,749 6.1 72 65 58 51
25 28 25,863 6.1 73 65 58 51
17 19 25,918 6.1 73 65 58 51
23 25 26,650 5.9 75 67 60 52
24 26 26,739 5.9 75 68 60 53
25 27 26,821 5.8 75 68 60 53
26 28 26,898 5.8 75 68 60 53
23 24 27,760 5.6 70 62 55
24 25 27,808 5.6 70 62 55
25 26 27,853 5.6 70 63 55
26 27 27,894 5.6 Not Recommended 70 63 55
27 28 27,933 5.6 71 63 55
23 23 28,967 5.4 73 65 57
28 27 30,040 5.2 67 59
27 26 30,081 5.2 68 59
26 25 30,126 5.2 68 59
25 24 30,174 5.2 68 59
24 23 30,227 5.2 68 59
28 26 31,195 5.0 70 61
27 25 31,284 5.0 70 61
26 24 31,381 5.0 70 62
25 23 31,486 5.0 71 62
19 17 32,375 4.8 73 64
28 25 32,443 4.8 73 64
27 24 32,588 4.8 73 64
26 23 32,745 4.8 74 64
28 24 33,795 4.6 66
27 23 34,005 4.6 67
23 19 35,065 4.5 69
28 23 35,264 4.4 69
24 19 36,590 4.3 72
25 19 38,115 4.1 75
23 17 39,191 4.0
26 19 39,639 4.0
24 17 40,895 3.8
27 19 41,164 3.8
25 17 42,599 3.7
28 19 42,688 3.7
26 17 44,303 3.5
27 17 46,007 3.4
28 17 47,710 3.3