120 foot lawn sprinkler system

My back yard is 120 across but I don't want any more sprinklers in the center of my yard then necessary because of my dog tripping on one of them. Anyway I want to take sprinklers on both sides of my fence and shot them as far into the yard as I can. Does anyone know how far I can get a sprinkler to shoot water? I will need one (I hope) sprinkler in the center of the yard, which will be a 360 degress sprinkler to make up for the distance that the sprinklers on both sides will lack. Does anyone have any thought on this?
Thanks Richard
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Richard Miller wrote:

What kind of "sprinkler" are you using? It is possible to get impact heads that connect to free-standing risers that connect to your garden hose. These might be a solution to your problem.
http://www.rainbird.com/diy/products/impacts/index.htm
(I don't necessarily endorse Rainbird over other products. It was just the first site that came up.)
You can buy these things at Home Depot, Lowe's, etc. Sometimes you can get them at K Mart.
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Richard Miller wrote:

Depending on your water pressure, impact sprinklers should do the job. I haven't measured the ones I've used - but I'd say they shoot 30 feet plus. So one in the center doing 360degrees is 60 feet plus the 2 in the corners = 120 feet. There are likely 'agricultural' or 'commercial' sprinklers that may shoot farther, plus there are some mounted on elevated pipes that may get you another few feet. You could perhaps use a 'pressure washer' pump to increase the water pressure(slightly!) - though plumbing would need to be very secure at any increased pressure of course. Have you considered 'leaky pipe'? That stuff is completely underground and is water consrving too because there is no wind/evap loss.
Carl
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You can use pop-up heads and not have to worry about anyone tripping on them.
You don't say how deep the yard is, but if the depth is consistent with the width you probably have too much area for a one-zone system, assuming you have normal water pressure and volume.
Your first step should be to visit some manufacturers' web sites and read their tutorials. Find out how to measure your water pressure and volume, measure it, then use their tutorials to design your system.
If you're not comfortable doing all the planning and design, hire an installer. They have the specialized equipment and knowledge to make it work, and they have a better grade of valves, heads, and controllers than you will find at a home center.
Richard Miller wrote:

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A sprinkler or two will give you 100% overlap which is what you want from your systems. And they install flush with the lawn and are not a tripping hazard.
Derryl Killan Horticulturists Calgary

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You can commercial impact sprinklers, the kind they use on golf courses and in agriculture. If you have a business, or know someone that does, you can buy them from www.grainger.com for $17/head. I saw similar sprinklers at a commercial landscape shop for $30/head.
They have about a 50' throw radius, you didn't say how deep the lawn is, perhaps you can just put them on the perimeter.
Good luck -S
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Starter books for you: Reliable Rain: (Amazon.com product link shortened) Sprinklers and Watering Systems: (Amazon.com product link shortened) All About Sprinklers and Drip Systems: (Amazon.com product link shortened) Short answer is, yes, you can do it all with well chosen ag sprinklers from the corners of your lot. It'll be expensive and not so pretty -- one of the main issues will be high enough water pressure -- they often need 40 psi at the nozzle, and up. There are more suitable systems for homes.
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