Instructables

Simple Water Sprinkler.

Picture of Simple Water Sprinkler.
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Watering your garden should preferably be done with rain water. However, sometimes using tap water is unavoidable. In such a case one should, as with all natural resources, be efficient and sensible.
Ever noticed how a small pinch hole in your garden hose is capable of wetting a large area?

Many commercial sprinklers have 2 things in common: they are expensive and not very efficient. They seem to be designed with the idea of getting a lot of water in the air hoping it will land somewhere where water is required.

This device relies more on pressure than on size, creating a fine sheet of water. This I'ble will show you how to build this very cheap and simple lawn sprinkler and it will show you how to customize you sprinkler by going into some patterns.

If you like my idea, don't forget to vote for me in the "Garden Contest".

 
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Step 1: How to make it.

Picture of How to make it.
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It's quite simple: a pipe and two legs. Due to the round legs, it slides quite easily over your lawn when you pull the hose (so you don't get wet).

What you need.
An Aluminium tube (OD 10 mm)
2 PVC pipes
Hose clamp

How it is made.
Drill a 10 mm hole trough both PVC pipes.
Insert the Aluminium pipe through the PVC pipes.
Saw a notch (more about patterns in the next step).
Plug the end of the pipe.
Connect hose and clamp.

You can rotate the tube in its legs to aim the water curtain at a specific region. Be careful not to point it downward too much or you end up soaking the earth beneath it.

You can make this fairly long (or short) to meet your requirements. Be aware that over a distance you gradually loose pressure. Secondly, very long ones can become weak (you should add an extra PVC "leg" in the middle).


fzbw9br1 year ago
if it is really dry, a "Sprinkler" is not what you want to use.

1) they are all inefficient due to evaporation, during the spray cycle, AND when droplets land on leaves, much of it drys before entering the ground

2) you really want the water to get to the roots, and that means, ON the ground for it to soak, or in a weeping device under the ground

if it is really dry, and you NEED to water, then just lay a hose and let it lightly pour on the ground. too much pressure will cut the ground. when the area is soaked, move the hose


sprinklers are FUN because they look nice and kids can play in them. This one, while workable, seems to be less efficient than a store bought one, that are sold for around $5.00 or less
beackmaniax3 years ago
Good work, really nice instructable, maybe using less presure you dont need to modify it, five stars really !
meddler3 years ago
I bet if you put some 5 ton epoxy on the wood plug and then a dollop on the end after you put it in. It would never come out.
Toga_Dan3 years ago
 3 alternatives for the pipe end-

Mash the end closed, and fold it over. Possibly with some caulk.

Solder a cap onto the end of the copper tube. This requires a torch, flux, solder. That's a way a plumber would do it.

Mash the end closed, solder it.


bertus52x11 (author)  Toga_Dan3 years ago
Yep, thanks.
Mashing up works best if the wall thickness of the pipe is fairly thin.
Ninzerbean3 years ago
 Wonderful, but how do you plug the end of the pipe?
bertus52x11 (author)  Ninzerbean3 years ago
A plastic plug and screw (that you normally would use in walls), but a wooden plug hammered tight will work as well.
 Can you show us? I never thought about making my own sprinkler, this is just so great,
bertus52x11 (author)  Ninzerbean3 years ago
First picture: expandable plug with screw. You don't need the entire plug and screw. As you can see I have cut it once it was pretty deep (and added a bit of silicone in the plug first).

The second picture: in a previous model I used a wooden plug (that is often used for furniture) and simply hammered it in.
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 Oh, that's what you meant - we call those plastic anchors for drywall.
bertus52x11 (author)  Ninzerbean3 years ago
Oh, ok.
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