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You have completely ripped off my post from my blog. I would appreciate you removing this material. Giving my site credit for the idea and the completely recreating exactly as instructed is wrong. If you do not change the design by at least 30% then you are not allowed to use mine without permission. If readers want to know how to make it, they can isit the orignal post at... http://myhomespunthreads.blogspot.com/2011/05/day-25-homemade-sprinkler-with-she.html

darrennie3 years ago
Do you think 1/2" PVC would give you more pressure than 3/4".
Using 1/2" would reduce the number of holes you could drill as it cuts down the volume of water. Just as using 1/2" PCV on a sprinkler system reduces the number of heads you can put on a zone. If your purpose is to make the sprinkler spray higher, drill smaller or fewer holes.
But doesn't that depend on the pressure coming out the hose? If pressure isn't enough to fill 3/4" to capacity than yes 1/2' would? Right?
Skymeat3 years ago
The rule of thumb for spray bars is to have the total area of all of the drilled holes to be slightly less than the area of the inside diameter of the tubing you’re using. For instance if you're using 1/2-inch tubing that has an internal cross sectional area of .196 square inches you need 13 holes at 9/64” diameter, 16 holes at 1/8” diameter or 21 holes at 7/64” diameter. This rule insures that you won’t lose any pressure in the bar.
I'm having a hard time wrapping my head around that math but I think I got the intent. Helpful tip!
phyllsplace3 years ago
I think that you could also use a Hula Hoop. Make a cut, attach the t-joint, drill the holes and there you have it.
seditious3 years ago
I have used something similar for an awesome outdoor shower head (upside-down of course).
craftknowitall (author)  seditious3 years ago
A great shower head would be to drill a few very small holes all around the bottom of a 2 liter bottle, screw the bottle on to a garden hose and drape the hose over a tree limb, then turn on the water. Enjoy!
sitearm3 years ago
@craftknowitall; Hi! I like how you show what happened the first time and how learned; also how you like to learn from another article then do it yourself. Tweeting you now. Cheers! Site
craftknowitall (author)  sitearm3 years ago
Sorry I don't tweet. Thanks for commenting.
took the kids to a water park yesterday and was amazed that their favorite spot was a timed sprinkler system. within a 10 ft. sq. area, small fountain heads on all four corners, largest in the middle ~ two small ones may shoot up at one time but you never knew which ones it would be. certainly kept the kids laughing and jumping, especially when the largest, center fountain head erupted. each fountain would spray for about 2 minutes before stopping as another would begin.
Would love to know how to create this timed system.
carolb43 years ago
Well mine looks just like your first one. The directions neglected to mention anything about how many holes to drill. I can't replace my parts so, I'm trying to come up sith something I can paint over the PVC that would stop up the holes and then I'll drill the correct number. SUGGESTIONS?
Skymeat carolb43 years ago
I made a water bar that I messed the math up on. I used electricians tape and it lasted for the 40-50 hours I used the water bar.
Cover them with Gorilla tape. Even better would be to plug the holes with a small piece of dowel and then use the tape. If you have enough holes, the pressure shouldn't be enough to leak through.
Try pluging some of them with sugru
mikivanmom3 years ago
this would be easily adaptable for garden beds... similar to a custom drip system, but easier to use and cheaper. Just make the pieces the size you need for your beds and drill holes as needed for each bed or plant...
manskybook3 years ago
Nice, and very simple. I constructed one from the Kidwash 2 Instructable http://www.instructables.com/id/KidWash-2-PVC-Sprinkler-Water-Toy/ that uses misting jets - more expensive, but requires fewer holes and water pressure is not a worry.
I'll have to make one fo these for my dog. She loves to attack streams of water. Great instructable!
This would be perfect to put around the perimeter of a raised garden. I was going to use a soaker hose but now that I see your idea I think I will build this instead! Thanks!
jeffeb33 years ago
Water pressure varies quite a lot. like between 20psi-60psi in houses I've lived in. I would suggest starting with the smallest holes, and just a few, then test, then add more until it's just right.
craftknowitall (author)  jeffeb33 years ago
Basically that's what I did, I did 10. 3/32 inch holes per side, and it worked great. I was prepared to add a few more if needed. Thanks for your comment.
SHIFT!3 years ago
Awesome! That looks like fun in the sun!