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Dan158 
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Joined: 10 May 2021
Location: Pennsylvania
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 Topic: AC 2 row planter gears for corn
Posted: 10 May 2021 at 9:05pm |
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Just purchased a rebuilt 2 row AC planter. Not sure if have the right gears for corn population. Its set up for 30 inch rows.Both gears on the seed box and drive wheel are 10 tooth.I am new to this corn and bean planting.. Any info and help on what the gear on the wheel drive should be.Like I said I am new to this..The guy I bought it off of mentioned something about it. He sold it to me as a corn planter but not sure if it is set up to plant corn correctly spaced. Any help be appreciated.. The plates I got are the same as a jd290.
7-24x also have alot more plates with different number of cells.Thank you. Dan
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DiyDave
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Joined: 11 Sep 2009
Location: Gambrills, MD
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Posted: 11 May 2021 at 4:38am |
Pop a couple of pics of the gear set up, and post them here. Someone should be able to help... Welcome to the forum! 
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Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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WF owner
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Joined: 12 May 2013
Location: Bombay NY
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Posted: 11 May 2021 at 4:43am |
I think what he is referring to as "gears" are what we called planter plates. Are you talking about the metal (or sometimes plastic) gears that run horizontally on the bottom of the seed box?
If that is what you are talking about, they vary in size depending on the size of the seed corn. Seed companies used to grade seed by size and specify which plate you needed for that size, for proper population and to avoid seed damage.
Edited by WF owner - 11 May 2021 at 4:51am
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Dan158
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Posted: 11 May 2021 at 6:54am |
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Dan158
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Posted: 11 May 2021 at 6:55am |
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Both are 10t sprockets..Thank you.Dan
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Tbone95
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Posted: 11 May 2021 at 7:10am |
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Drive a short ways and measure your seed drop spacing. Not sure what you're planting, how accurate you want to be, what population you're shooting for....But 30,000 seeds per acre on 30 inch rows is just a tad under 6 inches.
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WF owner
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Posted: 11 May 2021 at 7:27am |
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It would probably be cheaper, easier and faster to change plates to a plate with more or less seed spaces.
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tbran
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Posted: 11 May 2021 at 7:48am |
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14 tooth on the drive axle and 10t on the front with a 24 cell plate = 8" spacing. You need a chart or op man for a 72 series planter.
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When told "it's not the money,it's the principle", remember, it's always the money..
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tbran
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Posted: 11 May 2021 at 7:54am |
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also if in doubt, measure the circumference of the drive /press wheel. Put seed in and roll the wheel 2 revolutions catching the seed that drop. Now multiply the circumference X2 and divide by the number of seed you catch. (two revs makes it more accurate as to count) This will be your average spacing.
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When told "it's not the money,it's the principle", remember, it's always the money..
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K-Mo
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Posted: 11 May 2021 at 8:14am |
Maybe this will help. K-Mo
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Dan158
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Posted: 11 May 2021 at 9:34am |
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Thank you all. Good info and thank you for the chart. Will get out there and give the wheel a spin and see what comes up. Again thank you all. Dan
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Dan158
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Posted: 11 May 2021 at 1:02pm |
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Been on and off the phone with Josh from Schmidt & Sons. Been helping me out here with getting the right gears. At about 5mph a suggestion of a 15T gear should get me around 8 inch spacing.Just waiting for a call back to order couple of those..I am sure I will have more questions. But thank you all. Dan
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