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rock jack

 
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I was fascinated by fencing when i visited Jamestown,Va area. How they did what they with what they have. Here's 2 examples. A worm fence which needs no posts, but uses a lot of wood and takes a lot of space. The other is a root fence that i found when searching the old ways.

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from robbie's bootcamp thread ...

they repaired a rock jack yesterday ...



 
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Working on a new rock jack at the ATC



Other rock jacks at wheaton labs



double rock jack
 
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I was wondering about these when at the PDC, now after reading this thread I am thinking these might be a great idea for my property when I start fencing it.

I have lots of rock and very rocky soils that are a pain to try and put posts into. So some rock jacks would make life a lot easier to secure posts.

I was wondering how I was going to do some of the fencing, and didn't like how I saw a lot of the 4 strand barbed wire fences around here did things. But these rock jacks seem like the right thing to do the job well.
 
Coco Newlon
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More photos for rock jacks at wheaton labs.
 
Coco Newlon
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10-1-19 junkpole fence











 
pollinator
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So glad I saw this post.  Im in Maine on 8 acres of rock/ledge and clay.  We run into lots of problems with fencing and things.  I will be trying this out soon for sure.

Now if only I could make this work for the base of a cordwood house.....
 
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Sarah Houlihan wrote:So glad I saw this post.  Im in Maine on 8 acres of rock/ledge and clay.  We run into lots of problems with fencing and things.  I will be trying this out soon for sure.

Now if only I could make this work for the base of a cordwood house.....




What are you planning to use for a foundation? Rubble trench?
 
Sarah Houlihan
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Travis Johnson wrote:

What are you planning to use for a foundation? Rubble trench?



Yes.  Then the base of the house will be stacked boulders.

I'm experimenting with the same idea as a rock jack.  Im working on an addition where I sunk the posts a foot or so and filled in with gravel.  Im stacking rocks around the posts to make wall bases, like in the house.

Something like a rock jack covered in cob could make a nice house corner with a built in corner bench inside.
 
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So hypothetically speaking you could use rock jacks to put up a temporary fence while still observing your land for the first year? How many feet would you have to have them separated to fence in goats and dogs? How high of a fence is it good for? I am thinking of using four foot field fence then running an electric wire around the top to keep in mini goats and a Pyrenees mix.  I would rather invest in permanent fence than just electric; but love the idea of making permanent fencing temporary with these, so I can know if I have pens and paddocks where they will serve the most purpose.
 
paul wheaton
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Each rock jack is a fair bit of work.  I don't think it is a good fit for something temporary.
 
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