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Disk speed

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joe

05-14-2003 07:41:43




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what speed do most people disk at? I am sure it is dependent on soil type but on average is it about 5miles/hour




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CharliG

05-24-2003 15:06:30




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 Re: disk speed in reply to joe, 05-14-2003 07:41:43  
Grew up with the Super M discing at a little over 5 mph 'cause that's what 3rd gear did. the same speeds semmed to work out well with the big 1066 an a 21ft disc. Remember that a disc goes deeper at slower speeds. Ridges aren't a problem if the disc is set right.



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Hugh MacKay

05-14-2003 18:49:59




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 Re: disk speed in reply to joe, 05-14-2003 07:41:43  
Joe: I don't get to excited about going over 4 mph, and I'll bet I've done more disking at 3.5 mph than at 4, particularly with big disks. You strike something like a stone and a 80 plate disk is a lot of weight for one disk blade to take the punishment. I fail to see where speed makes a disk do a better job. I always let the old guys do the disking. You know something the difference in time doing an acre with a 20' disk between 4 and 5 mph is exactly 1 minute. The 20' disk at 4 mph is disking an acre every 6 min., and the guy going 5 mph is disking an acre every 5 min. You start taking gangs apart, changing disk blades and bearings, the 4 mph guy is going to pass you rather quickly.

Now if you were talking cultivator yes 5 may be 6 mph and much more than that and the cultivator will start bouncing and will leave your field just like waves on a lake in a 20 mph wind. Some uniform seed depth on that one.

Farmers have had to leave the sickle bar for mowing and go with the discbine. If you guys keep putting the speed to tillage equipment the next generation will have to mow hay with a feller buncher normally used in the forest industry. In the past decade farm fields have become generally very rough. What I see in a lot of cases is nothing short of a damn disgrace. Fields you could once drive an automobile on at 50 mph on would now shake the vehicle to bits.

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evielboweviel

05-15-2003 10:33:19




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 Re: Re: disk speed in reply to Hugh MacKay, 05-14-2003 18:49:59  
I have to agree with you about the fields now being rough. I was taught to disk at 5 mile an hour in the early 70's. If I didn't stop and pick up rocks or if I left ridges then I got a a$$ chewing at lunch and supper time. I also ran last pass before the planter with a harrowgator, there had better not be any ridges and prefered that you could not tell at all where I lapped passes. As for stone's at that point if I didn't pick one up let's not talk about it. Now the fields are so rough you have to go slow in second to get across them with a tractor and wagon. somebody else farms them with big equipment and will not try to smooth them out or pick up rocks.

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evielboweviel

05-15-2003 10:28:17




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 Re: Re: disk speed in reply to Hugh MacKay, 05-14-2003 18:49:59  
I have to agree with you about the fields now being rough. I was taught to disk at 5 mile an hour in the early 70's. If I didn't stop and pick up rocks or if I left ridges then I got a a$$ chewing at lunch and supper time. I also ran last pass before the planter with a harrowgator, there had better not be any ridges and prefered that you could not tell at all where I lapped passes. As for stone's at that point if I didn't pick one up let's not talk about it. Now the fields are so rough you have to go slow in second to get across them with a tractor and wagon. somebody else farms them with big equipment and will not try to smooth them out or pick up rocks.

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Hugh MacKay

05-15-2003 16:55:18




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 Re: Re: Re: disk speed in reply to evielboweviel, 05-15-2003 10:28:17  
enilboweviel: Back in the seventies I was one of the guys doing the chewing. I was planting corn one evening, a fellow who had worked for me for years was making the rounds to see how every thing was going before he went to milk cows. He stopped where I was and said," I don't think you are going to be too happy when you get to next field, I just stopped there and Angus the new guy was hitting 10 mph with 1066 and 25' cultivator, the cultivator is just bouncing like a pre 1960 Buick with no shocks." He went on to say the cultivator would almost clear to soil when it came up and when it went down the teeth almost pulled out straight behind. I said," what did you do about it, did you make him go back and smooth it out." He said we did but it still isn't smooth." Needless to say Angus's cultivating career was cut short. Luckily he omly got about 5 acres when he was caught up with. That land was plowed for the next 5 years and you could still feel the wave effect. My pickup was a 3/4 ton and to drive over this just felt like you were running over 4" waves that were solid.

My next door neighbor bought some land that had some quite poor tillage practices in the past. He plowed it last year, tilled it all up and it looked not bad when he seeded it. By combineing time it had all settled out and was quite rough. He plowed it all again last fall. He likes to use a combination of tillage and no till, but he wants it smooth. He is plowing most of his land about every 3rd or 4th year. Here's betting he will be plowing the new land again this fall. The discusting part in all of this is, it takes so long to take these messes out of a field.

Most people don't realize it but you actually do your first round of leveling with the moalboard plow, the disk, the clltivator, the crumbler, etc just improve on that. If some of these guys had to pay the breakage bills on plow, disks and cultivators for tilling about 2,000 acres per year they wouldn't be long slowing down. The interesting part about these guys that go fast doing tillage is they probably spend 3 hours of the day out of the tractor.

These guys and their tillage remind me of one night I was approaching city limits on 4 lane with a set of Super B grain trailers, speed limit about 45 mph in that area, I dropped to just under 40mph, as I wanted to get rid of traffic behind me before road narrowed to 2 lane. An old guy with a 10 year old Chevy S-10 started inching his way past me, staying under the speed limit. A car came up rather quickly behind him, bingo on come the siren and police lights, this police cruiser almost ran that poor old guy right off the road. About 1 mile further on here was the police cruiser along with 2 other cruisers at Tim Hortins and the officers going for coffee and donuts. Most all of those high speed guys are like that, go like H$%^ to do nothing.

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evielboweviel

05-14-2003 13:59:13




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 Re: disk speed in reply to joe, 05-14-2003 07:41:43  
I was taught 5 mile an hour. Main thing is go as fast as you can without ridging. The speed gives a better crumbling/breaking action. However ridges are hard to get rid of.



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paul

05-14-2003 10:02:41




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 Re: disk speed in reply to joe, 05-14-2003 07:41:43  
There are different disks, heavy or light, and different ground conditions, from fresh plowed where you can't hang on the seat at 5mph to smooth cornstalks where I get close to 10mph....

But 5 mph would be a good guess.

I'd stay slower in rocky soil, and the faster you go the more a disk ridges, so it really all depends.

--->Paul



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