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Hydrostatic Power Steering
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Posted by Derek Broerse on June 25, 2005 at 17:31:14 from (206.186.115.122):
I have just custom built a hydrostatic power steering system for my International B275 tractor. It works very well, but there is a slight problem/annoyance that I have to admit I hadn't counted on. As we all know, one side of the cylinder takes more fluid to move than the other (due to the rod of the cylinder). My problem is simple enough! If I turn left from center, it takes two turns of the wheel. If I turn right from center, it takes only ONE! Makes for a really weird ride down the road...:P Short of using a double-ended cylinder, is there another way to equalize the fluid flow? I was thinking there must be a valve that dumps a percentage of the flow back to the power steering pump for the one direction maybe? How is this done on other tractors?
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