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Re: Hydraulic cylinder placement
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Posted by rocker on February 02, 2005 at 17:02:11 from (204.117.13.110):
In Reply to: Hydraulic cylinder placement posted by Terry G on February 02, 2005 at 14:06:52:
Gentlemen - Here's where a little schooling goes a long way. If you take the drawings as a visual reference and don't try to print to an exact scale, it appears that the right drawing shows the clevis' of the cylinder in an almost direct line with the pivot point. A vector analysis of these points being in a line proves that there is no force developed to lift the load regardless of how much oil pressure is put into any bore cylinder. The drawing on the left shows the cylinder in relationship to the pivot point which will give some vector force to lift the load. The direction in which the cylinder is oriented is not important. The critical issue is the amount of vector force developed based on the angle of the cylinder to the pivot point at any given lift distance, most importantly when it is at full down position which is when the cylinder can impart the smallest amount of lift force because of it's shallow angle. Ideally, the cylinder would be positioned perpendicular to the dump bed at the farthest distance from the pivot point of the bed. In short, the bed in the drawing on the right would not be able to move at all (if the points are truly in a line).
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