Varioguide and drill overlap/gap.

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shakalakka

Member

Arable Farmer

• May 24, 2022

• #1

Hi,

I have a 3 meter Rapid that i run on a Fendt 516 with RTK. I measured the width of the machine from outer disc to outer disc to 288 cm, so that leaves 6 cm on each to to the next pass for a total of 12 cm between passes. I tried measuring as i drilled, but clearly i havent been careful, because i now see that the machine is pulling 4-5 cm to the left. That leaves an overlap on the left side, and a gap on the right (the gap is abount 20 cm, so 4 cm too much to he left on each pass). Running 3 meter waylines, but the machine going 4 cm off to the left, how do i adjust that setting-wise? Do i use the centre-distance for the rapid-implement-setting? 1,54 m here would be correct?

 

Chae1

Member

Location

Aberdeenshire

• May 24, 2022

• #2

Offset?

That's what I use with trimble system. Our amazon drill doesn't pull square either

 

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shakalakka

Member

Arable Farmer

• May 24, 2022

• #3

Seems like my question is a duplicate of https://thefarmingforum.co.uk/index.php?threads/fendt-trimble-auto-steer-setup.184300/, but "Centre distance" under the implement is the same as "Offset" on the Trimble. Thanks

 

Chae1

Member

Location

Aberdeenshire

• May 24, 2022

• #4

You probably know, but best way to set it is drive down field and measure 50cm from outside Coulter. Can be any distance.

Turn round and come back again then measure again. Adjust until distance is the same going both ways.

 

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3350turbo

Member

• May 24, 2022

• #5

Do. AB line with tractor on own.. DROP pickup hook on concrete and see if it marks same both ways if not put offset in to suit.

 

Robt

Member

Location

Suffolk

• May 24, 2022

• #6

3350turbo said:

Do. AB line with tractor on own.. DROP pickup hook on concrete and see if it marks same both ways if not put offset in to suit

Click to expand...

Sorry but thats wrong. If you do as you say and the marks are in different places then you have an issue with your tractor. Sort that out first. The measure in field with drill and measure location of drill on pass to pass of drill marks

 

suffeks

Member

• Jun 1, 2022

• #7

3350turbo said:

Do. AB line with tractor on own.. DROP pickup hook on concrete and see if it marks same both ways if not put offset in to suit.

Click to expand...

that's what I did first

I use RangePoint rtx it's around 5cm real accuracy. I set my rapid to 2.98m pass and it looks basically perfect

 

Boysground

Member

Mixed Farmer

Location

Wiltshire

• Jun 1, 2022

• #8

4m rapid here always need 4-6 cm offset. I keep the drill at 4m width. It does change depending on conditions. That’s with 3 different Fendt tractors, all rtk.

@shakalakka just adjust the centre to outside width. Give it a couple of turns to sort itself then measure again. It’s a pain digging for seed but I think the best way as you see the effect the soil has on the drill.
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shakalakka

Member

Arable Farmer

• Dec 25, 2022

• #9

Thanks guys, this was spot-on. Had a 4 cm offset this fall, and winter wheat is coming in evenly between all passes