About brush meter charts, Reading a brush meter chart, 70 cm rows – Great Plains YP1630F-1670 Material Rate User Manual
Page 6: Contents appendix yp1630f, Contents appendix, 60 cell 48 cell, 60 cell

4
Great Plains Manufacturing, Inc.
YP1630F
401-832B
2012-12-04
About Brush Meter Charts
The charts are for plates by cell count, and apply to any
seed compatible with the plate.
Reading a Brush Meter Chart
For brush meters, the chart has separate columns based
on the cell count of the seed plate installed. For plate
selection see “Seed Plates” in the Options section of the
Operator manual. To change plates, see “Installing
Brush Meter Plates” in the Operator manual.
Note: Actual charts begin on page 14.
Images at right are excerpts.
Seed Rate: Cell Count
1.
Use the chart columns for your seed plate, based on
the cell count.
Seed Rate: Population
2.
Find the desired seed population or seed spacing.
Seed Rate: Sprocket Combinations
3.
Configure the Transmission sprockets.
The numbers in the Driving/Driven columns are the
number of teeth (T) stamped on the sprockets
required.
Note: Brush meter charts use a single Range sprocket
setup: (20T Driving, 30T Driven)
Seed Rate: Planting Ground Speed
4.
Observe the range of recommended planting
speeds.
70 cm Rows
60 Cell
48 Cell
:
20
Soybean or
Specialty Soybean or
:
30
High Rate Milo/
High Rate
Maximum
Grain Sorghum
Acid-delinted Cotton
Planting
Seed
Seed
Seed
Seed
Speed
Population
Spacing
Population
Spacing
Po
(kph)
(seeds/ha)
(cm)
(seeds/ha)
(cm)
(s
13
123 853
11.5
99 083
14.4
13
128 441
11.1
102 752
13.9
g
g
Maximum
Grain Sorghum
Acid-delinted Cotton
Planting
Seed
Seed
Seed
Seed
Speed
Population
Spacing
Population
Spacing
Po
(kph)
(seeds/ha)
(cm)
(seeds/ha)
(cm)
(s
13
123 853
11.5
99 083
14.4
13
128 441
11.1
102 752
13.9
13
133 381
10.7
106 704
13.4
13
138 424
10.3
110 739
12.9
13
138 716
10.3
110 973
12.9
13
143 551
10.0
114 841
12.4
13
144 496
9.9
115 596
12.4
13
149 072
9.6
119 258
12.0
13
150 778
9 5
120 622
11 8
34523
60 Cell
Range
Driving:
20
Soybean or
Sprockets
Driven:
30
High Rate Milo/
(All Cell Counts)
Maximum
Grain Sorghum
Transmission
Planting
Seed
Seed
Combinations
Speed
Population
Spacing
P
Driving
Driven
(kph)
(seeds/ha)
(cm)
17
28
13
123 853
11.5
17
27
13
128 441
11.1
17
26
13
133 381
10.7
19
28
13
138 424
10.3
17
25
13
138 716
10.3
19
27
13
143 551
10.0
17
24
13
144 496
9.9
19
26
13
149 072
9.6
17
23
13
150 778
9 5
34523
60 Cell
Range
Driving:
20
Soybean or
Sprockets
Driven:
30
High Rate Milo/
(All Cell Counts)
Maximum
Grain Sorghum
Transmission
Planting
Seed
Seed
Combinations
Speed
Population
Spacing
P
Driving
Driven
(kph)
(seeds/ha)
(cm)
17
28
13
123 853
11.5
17
27
13
128 441
11.1
17
26
13
133 381
10.7
19
28
13
138 424
10.3
17
25
13
138 716
10.3
19
27
13
143 551
10.0