The Cross slot vs 750a trial

Louis Mc

Member
Location
Meath, Ireland
Very interesting....Just goes to prove that disc drills move just as much soil as decent tine drill but cost a lot more to run. (Comments from a disc drill user for the last 19 years)
I wouldn't say that is true in all situations. After peas or beans soil moves regardless of what you do but a good single disc would be less disturbance after cereal with long stubble, especially if you want higher forward speeds
 

Jim Bullock

Never Forgotten
Honorary Member
I think the photos are a bit misleading, I'm sure the tine moved a lot more soil. It was done at 15kph!
So not no-tilling..! Most no-till/zero-till disciples would never drill at more than 8kph. We are direct-drillers so usually operate at 10-12kph.. probably moving too much soil but we have to if we are going to drill 20-30ha/day with a 4 metre drill.
 
Location
Cambridge
So not no-tilling..! Most no-till/zero-till disciples would never drill at more than 8kph. We are direct-drillers so usually operate at 10-12kph.. probably moving too much soil but we have to if we are going to drill 20-30ha/day with a 4 metre drill.
Really? Never heard of a speed limit to no till before. You'd better factor in row spacing then too
 

Jim Bullock

Never Forgotten
Honorary Member
Really? Never heard of a speed limit to no till before. You'd better factor in row spacing then too
DKA I am sure you know my comments were made with a hint of scepticism.! There are many factors which can effect soil movement but speed is one thing that costs very little to alter (other than output) but can have dramatic effect on seed placement and ultimate crop establishment. It would be interesting to compare a CS at 12 kph with your tined Horsch at 6kph..but I have more important things to worry about..:sleep:
 
DKA I am sure you know my comments were made with a hint of scepticism.! There are many factors which can effect soil movement but speed is one thing that costs very little to alter (other than output) but can have dramatic effect on seed placement and ultimate crop establishment. It would be interesting to compare a CS at 12 kph with your tined Horsch at 6kph..but I have more important things to worry about..:sleep:

You posted that after half ten Jim, what's going on?!
 
If you want to go faster, then a major issue is tine wear, wear rates increase to the square of forward speed ie double forward speed equals 4 times wear rate, that fact and different soil types account for much of the variation in hectares covered from each set of tines (sorry if telling granny how to suck eggs). Different soils also wear the tines in different ways, most Tungsten tines never wear due to the tungsten wearing away, it is loss of the supporting steel which causes their demise, mainly.
Tenmat Ferobide is a weldable tungsten carbide and allows you to put the tungsten where you want it for your conditions as well as being much more economical as you can used the same tiles for loads of applications and you are not paying someone else to machine and braze your steel. Tested now for 3 years and already used some DD OEMs both in UK and Sweden.
Full Ferobide website will be online tomorrow in the meantime see attached for DD applications.
 

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Fuzzy

Member
Arable Farmer
Location
Bedfordshire
If you want to go faster, then a major issue is tine wear, wear rates increase to the square of forward speed ie double forward speed equals 4 times wear rate, that fact and different soil types account for much of the variation in hectares covered from each set of tines (sorry if telling granny how to suck eggs). Different soils also wear the tines in different ways, most Tungsten tines never wear due to the tungsten wearing away, it is loss of the supporting steel which causes their demise, mainly.
Tenmat Ferobide is a weldable tungsten carbide and allows you to put the tungsten where you want it for your conditions as well as being much more economical as you can used the same tiles for loads of applications and you are not paying someone else to machine and braze your steel. Tested now for 3 years and already used some DD OEMs both in UK and Sweden.
Full Ferobide website will be online tomorrow in the meantime see attached for DD applications.
Do you have prices please ? Can we order online?
 

Clive

Staff Member
Arable Farmer
Location
Lichfield
So not no-tilling..! Most no-till/zero-till disciples would never drill at more than 8kph. We are direct-drillers so usually operate at 10-12kph.. probably moving too much soil but we have to if we are going to drill 20-30ha/day with a 4 metre drill.

We drill at 12kph with the 750a usually but on occasion as fast as 15kph or as slow as 8kph - @Simon Chiles reckons to drill much faster on average, I think we are slowed a bit by stones that can cause gutler bounce sometimes. wouldn't want to be planning on as slow as 8kph though, would need a much wider drill do get the job done
 

Clive

Staff Member
Arable Farmer
Location
Lichfield
Very interesting....Just goes to prove that disc drills move just as much soil as decent tine drill but cost a lot more to run. (Comments from a disc drill user for the last 19 years)

think its very soil type dependant, tines wear fast here, Dale tungsten tips broke before they wore out on our stones, the 750a disc is cheap compared

when we were cultivating in a dry year we could kill a set of simba solo points in 10ac !!!
 

Simon Chiles

DD Moderator
We drill at 12kph with the 750a usually but on occasion as fast as 15kph or as slow as 8kph - @Simon Chiles reckons to drill much faster on average, I think we are slowed a bit by stones that can cause gutler bounce sometimes. wouldn't want to be planning on as slow as 8kph though, would need a much wider drill do get the job done

Not much faster really, probably average 14k although this year drilled a fair few at 16-17k. Rough fields obviously slow it down much more.
 

Andy Howard

Member
Arable Farmer
Location
Ashford, Kent
So not no-tilling..! Most no-till/zero-till disciples would never drill at more than 8kph. We are direct-drillers so usually operate at 10-12kph.. probably moving too much soil but we have to if we are going to drill 20-30ha/day with a 4 metre drill.
Heard this a few times from farmers here in France and Switzerland. They seem to have much wider drills compared to the acreage and drive slower. Less disturbance and better seed placement especially in high residue situations. Also went to a 40ha farm on Friday who is sending his Cross Slot back and now has a JD750A. Cross slot too much trouble. More details on my blog later.
That should keep the thread going a bit longer!
 

Badshot

Member
Location
Kent
Heard this a few times from farmers here in France and Switzerland. They seem to have much wider drills compared to the acreage and drive slower. Less disturbance and better seed placement especially in high residue situations. Also went to a 40ha farm on Friday who is sending his Cross Slot back and now has a JD750A. Cross slot too much trouble. More details on my blog later.
That should keep the thread going a bit longer!
Ooohhhhh, is this yorks famous farm that can justify a cross slot on a small acreage and make a good profit?
 
Heard this a few times from farmers here in France and Switzerland. They seem to have much wider drills compared to the acreage and drive slower. Less disturbance and better seed placement especially in high residue situations. Also went to a 40ha farm on Friday who is sending his Cross Slot back and now has a JD750A. Cross slot too much trouble. More details on my blog later.
That should keep the thread going a bit longer!

Oh good lord...

Anyway I think its basically a Swiss trait to drive slowly. I met a swiss bloke out in Syria once doing a little no till project and spent a day or two looking at a few things with a demo drill and he went sooooo slowly it was strange. They also have smaller farms so maybe they want to make the most of it and feel that slow speed is the "right" thing to do.
 
Location
Cambridge
First lot of plant counts are now in. These were done by ProCam, I wasn't there and had no influence on sites etc, apart from telling them where the different plots were. Maybe we should have another sweep stake? Here are the results, I'll reveal what's what later today.

A = 405 plants/m2 = 84% germination
B = 333 plants/m2 = 69% germination
C = 396 plants/m2 = 83% germination
 

Richard III

Member
Arable Farmer
Location
CW5 Cheshire
First lot of plant counts are now in. These were done by ProCam, I wasn't there and had no influence on sites etc, apart from telling them where the different plots were. Maybe we should have another sweep stake? Here are the results, I'll reveal what's what later today.

A = 405 plants/m2 = 84% germination
B = 333 plants/m2 = 69% germination
C = 396 plants/m2 = 83% germination

After managing to get every drill wrong last time, I'm not going to even try. (n)

Looks like quite a poor result from one drill, but it could still give the highest yield yet, 333 plants/m2 is fine.
 

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