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North Dakota | How accurate? Within 1 inch of the commanded line? Within 4 inches of the commanded line? Tilled land or vegetable fields?
1 inch is not likely without getting lucky or hours of tuning. 3 inches 90% of the time maybe. Just hitting a rock can move a sprayer 3-4 inches.
Just an anecdote: have a customer that drives a very straight line by hand, plants 22 inch rows, has 18" wide tires on the sprayer and complained about the wander at 16-18 mph, was running over some crop. Both planter and sprayer on RTK So he drove it for one day without autosteer and said he was down to about 12 mph before he stopped running over corn. I fixed his autosteer and he never complained about wander again.
At 14 mph it stayed within about 2 inches of the commanded line 95% of the time and 1 inch 75%-80%. It took s couple hours with the laptop connected while he drove to get it where he was satisfied at 16-18 mph.
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John Deere 4930
