
01/07/13, 03:17 PM
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Join Date: May 2004
Posts: 1,623
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There is no good way to run a fence across a steep slope. The normal way is to put that fence at either the top or bottom (preferably top) of the steep slope.
Picture your fence with posts at right-angles to the slope. That means the top of the fence isn't very far above the base of the posts, so an animal on the uphill side wouldn't have to jump very high to clear the fence. Conversely, if the posts are vertical, the uphill animal just backs away a little from the posts, uphill, and they are above the top of the posts.
For fences running up-and-down the hill, you need to provide for the height of your fencing material, or in your case, to maintain the spacing between your wires. This probably means taller posts, sunk vertically. Why? Because to do anything else means you are reducing the height of your fence, and again animals can more easily jump it (or at least are tempted to try, and you REALLY don't want animals to learn they can get past an electric fence with only a brief moment of hurt).
Another thing about fences running uphill is that, at any point where the slope is dished so that some posts are below the line between their neighbours, then the tension of the wire running from post A through post B to post C will pull post B out of the ground. You need some pretty substantial posts and some careful thought, and maybe a fair amount of concrete, to overcome that. Or maybe just run the wires straight on tall posts, and fill in the gaps below the wires as a separate exercise.
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