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  #41  
Old 12-16-2021, 09:10 AM
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frizzen frizzen is offline
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Default Re: John Deere 9 Series Tracked Tractor with Planetary Steering

Very cool.
I still can't get over how good looking that disk came out

Do you plan on the planter using hydraulics or a linear actuator?
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  #42  
Old 12-16-2021, 10:54 AM
cooker2003 cooker2003 is offline
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Default Re: John Deere 9 Series Tracked Tractor with Planetary Steering

The planter will be hydraulic. Now that the tractor is running hydraulics, it's tough to go back to electric. So much more power and control with hydraulics.
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Old 12-16-2021, 02:12 PM
ddmckee54 ddmckee54 is offline
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Default Re: John Deere 9 Series Tracked Tractor with Planetary Steering

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Originally Posted by cooker2003 View Post
No magic! The forward (insert) part of the hitch telescopes into the rear part of the center frame hitch, just like on the real DB planters.
I thought it was probably something like that. If I'm reading it right, the center section will telescope back when the wings fold, and telescope forward when the wings open. I know this is just a model, and that it won't be under the stresses of the real machine. But once they're unfolded is there a mechanical stop to keep the wings from trying to go beyond their open position? A hard stop so that the center section can't move any farther forward maybe? I would think that the wings will want to fold back if there is any kind of drag on them once they are open.
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Old 12-17-2021, 10:34 PM
cooker2003 cooker2003 is offline
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Default Re: John Deere 9 Series Tracked Tractor with Planetary Steering

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Originally Posted by ddmckee54 View Post
I thought it was probably something like that. If I'm reading it right, the center section will telescope back when the wings fold, and telescope forward when the wings open. I know this is just a model, and that it won't be under the stresses of the real machine. But once they're unfolded is there a mechanical stop to keep the wings from trying to go beyond their open position? A hard stop so that the center section can't move any farther forward maybe? I would think that the wings will want to fold back if there is any kind of drag on them once they are open.
The real planter has a latch near the front of the hitch that captures the insert-part of the hitch when the planter is unfolded. I haven't figured out yet what I'll do about that.

There are stops on the real planter that keep the wings from over-extending. I'll have some adjustable stops on mine to make sure everything lines up & has some room for adjustment.
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