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Implement Alley Discussion Forum

Subsoiler

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Jerry (AL)

09-16-2003 18:56:23

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Bought a one shank unit to play with and had a couple of questions. When pulling it, what angle should the foot be? Or should the shank just be 90 degrees to the ground when it is running at dpth? Any information or suggestions ar welcome.
e

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Steve

09-18-2003 03:42:44

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Re: Subsoiler in reply to Jerry (AL), 09-16-2003 18:56:23

Jerry. I do not know where you are at, but if you would like to watch one in use this weekend send me an email. We will have one at our show this weekend. Steve

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Chris-se-ILL

09-17-2003 09:50:04

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Re: Subsoiler in reply to Jerry (AL), 09-16-2003 18:56:23

If you have a little angle to the shank then it will lift and seperate the ground easier. If it has a "foot" then it will have to run parellel or downward to the surface plane.... otherwise it will ride up out of the ground. If it is a commercial model... read the instructions.

I would suggest that you only go deep enough to bust up the "hardpan" plow sole. I have done some experimenting with a probe as I was subsoiling and if the hardpan is at the 10" in. level then you may only need to go about 11.5" in.! No need for busting up what is not packed!

Combine tire tracks are the worst thing to bust! They can vary in depth.

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Jim Handke

09-17-2003 05:47:05

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Re: Subsoiler in reply to Jerry (AL), 09-16-2003 18:56:23

I pull a Case(made by DMI) 7 shank ripper. It has parabolic(curved)shanks. The better the angle when it's in the ground, the easier it pulls. The dirt rides up the angle of the shank. lessening the load. When the shank is upright, the dirt has to come straight up right away. That's the hardest pull.

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Tom A

09-17-2003 04:58:59

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Re: Subsoiler in reply to Jerry (AL), 09-16-2003 18:56:23

Can't swear it is the "right way" but I adjust mine so the shank is 90 degrees when the subsoiler is lowered as deep as it goes.

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Jerry (AL)

09-17-2003 15:57:54

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Re: Re: Subsoiler in reply to Tom A, 09-17-2003 04:58:59

It didn't take me long to figure out what was said above. The first thing I did was run it right out of the ground. It has a foot on it so I had to angle it back just slightly from 90 degrees so it would go in the round right. I pulled it at 12 inches and probably didn't really have to go that deep. It looks like it's packed down to about 6-8 inches. The ground has been in hay for years and years by the prior owner.

I had a question concerning pulling it in draft mode or a fixed depth. I tried it both ways and with the draft, it would start raising up when it got into the really hard stuff.

This is the fist time I have ever seen or dealt with one of these.

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I use draft mode

09-18-2003 07:28:09

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Re: Re: Re: Subsoiler in reply to Jerry (AL), 09-17-2003 15:57:54

anytime I'm working soil.

The foot of the subsoiler acts just like the ailerons on an airplane and the 'angle of attack' of the foot will affect whether the plow tries to rise up or lower down on its own...with mine when the shank is perpendicular and the tractor is in draft mode the foot pulls itself down as deep as possible (unless it hits a big rock, which it will ride over.)

You'll just have to play with yours a little bit, lengthening or shorting the toplink until the foot rides at the level you want.

tom

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