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Re: How does draft control work?
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Posted by KURT on May 31, 2002 at 16:17:05 from (65.59.38.138):
In Reply to: How does draft control work? posted by Mosey on May 31, 2002 at 06:46:02:
I am not an expert on tractor hydraulics but I do have an engineering degree in Fluid power systems. To make a long story short I think that the control lever is an open center valve thus, the hydraulic system gives pressure to just circulate the oil through the system and maintaining enough pressure to keep the impletment down but not enough for it to be held in position and dig in. I think what I said is correct, I hope.
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The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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