Ask a Question forum: The Watering Bladder

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Laffayette, Indiana
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DancingNerdHerd
Dec 6, 2017 3:43 PM CST
In an ordinary one-inch rainfall, a person with a rooftop of 1000 square feet is actually wasting 623 gallons of water from the downspout. We are all wasting water that is otherwise useful for irrigation. So we are trying to end this wastefulness. We are The Dancing Nerd Herd, a middle school First Lego League team.The theme for this year in Lego League is water usage. Our research project that we are working on is the Watering Bladder. The bladder hooks up to the downspout and slowly leaks the water into a nearby garden instead of letting the water pour from the downspout and soak into the dirt. The bladder is made of woven polypropylene on the bottom and a tarp material on the top. Woven polypropylene is a material that slowly leaks out water. The tarp keeps water from leaking out of the top, because that is pretty much pointless. In the case of too much rain, the bladder will have an attachment that can lead the water to a storage tank. Our question for you is if you could give us some positive feedback on how to make it better
Name: Elena
NYC (Zone 7a)
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bxncbx
Dec 6, 2017 4:15 PM CST
I'll give it a shot. You have a pretty good idea but you need to answer some questions that potential buyers would have.

How are you going to connect the bladder to the downspout? If there is a heavy rain, will the force of the water pop the bladder off? How will you prevent this?

Often a downspout is not located close to where people actually need the irrigation. How long is the line going to be from the downspout to the bladder? Is it going to be made out of a material that can withstand being walked on, run over by a mower and otherwise abused without looking bad? If your dog walks on it will it burst or spring a leak?

If a person in Florida or Texas is using the bladder and the temperature is in the triple digits (and the bladder is in the sun) will the water leaking out be so hot that it burns the plant's roots?

Will the bladder be easy to move when you are done with one area and need to move it to another area? How heavy will it be filled with water? Should you consider multiple, smaller bladders instead of one large one?

How far will the leaking water travel? Will it only work on an area that is say 1 square foot from the bladder? You need to be able to tell people what size of an area it will water.

Will the bladder only work on level surfaces? What about people who need to water plants on a hill?

How will you stop the bladder from getting filled up with gunk from the roof (leaves, pine needles, dirt). How can you clean it?

I guess I'm saying that you need to make a bladder and test it out. Does it work the way you think it will? If not, how can you change the design to fix it. I have no idea if your project needs to be just an idea or a finished product. But even if it is just an idea it would be helpful for you to make a small prototype and test it.

Good luck!

Laffayette, Indiana
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DancingNerdHerd
Dec 6, 2017 4:38 PM CST
bxncbx said:I'll give it a shot. You have a pretty good idea but you need to answer some questions that potential buyers would have.

How are you going to connect the bladder to the downspout? If there is a heavy rain, will the force of the water pop the bladder off? How will you prevent this?

Often a downspout is not located close to where people actually need the irrigation. How long is the line going to be from the downspout to the bladder? Is it going to be made out of a material that can withstand being walked on, run over by a mower and otherwise abused without looking bad? If your dog walks on it will it burst or spring a leak?

If a person in Florida or Texas is using the bladder and the temperature is in the triple digits (and the bladder is in the sun) will the water leaking out be so hot that it burns the plant's roots?

Will the bladder be easy to move when you are done with one area and need to move it to another area? How heavy will it be filled with water? Should you consider multiple, smaller bladders instead of one large one?

How far will the leaking water travel? Will it only work on an area that is say 1 square foot from the bladder? You need to be able to tell people what size of an area it will water.

Will the bladder only work on level surfaces? What about people who need to water plants on a hill?

How will you stop the bladder from getting filled up with gunk from the roof (leaves, pine needles, dirt). How can you clean it?

I guess I'm saying that you need to make a bladder and test it out. Does it work the way you think it will? If not, how can you change the design to fix it. I have no idea if your project needs to be just an idea or a finished product. But even if it is just an idea it would be helpful for you to make a small prototype and test it.

Good luck!



Thank you for your response. I will answer a couple of your questions, and then I will find ways to fix other things you asked about.

-The material that connects the downspout to the bladder depends on what the consumer uses. We will have a standard sized connection point for whatever the consumer wants to use, because we can have a perfect tube length for every person's garden

-We were actually planning to have multiple bladders in a garden rather than one for that exact reason.

-Plants will be put right next to the bladder so they can absorb its water easier.

-The bladder will work on any surface

-We will have a strainer blocking anything from entering the bladder


Thank You!
Name: Philip Becker
Fresno California (Zone 8a)
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Philipwonel
Dec 6, 2017 6:58 PM CST
Have you thought of the concept of systerins ! (Spelling may be wrong.)
I suppose they still use them on central Texas farms, maybe in the cities also. There underground storage tanks for drinking water that is collected from the roofs .

Water has become a very precious commodity. I can't believe that someone has not figured out , how to build an economical underground systerin . It's a gold mine, waiting to happen. Not just, for central California ! But, lots of other, worldwide places in the world, that only get rain in the winter.
😎😎😎




Anything i say, could be misrepresented, or wrong.

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Tisha
Dec 11, 2017 1:52 PM CST
@Philipwonel,
I had a cistern at the last place I lived. In fact there were two. The smallest one was 500 gal., made of red brick in a circular shape. The larger one was a concrete box shape, 1000 gal. One year the larger one needed a maintenance cleaning. That was fun. Needed a big ladder.
Think they're more around this area, just hard to spot.
They were used yesterday, still a good idea today.

Tisha


Name: Philip Becker
Fresno California (Zone 8a)
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Philipwonel
Dec 12, 2017 12:40 PM CST
@Tisha
Well ! Tisha,👍👍to you too.
cistern D'Oh! I knew I spell it wrong.
Hear, we have water meters, and pay by usage. Some people are buying decorative 50 gallon barrow's to catch rain water from roofs. They even connect several together.
I nearly fainted 😮 when !!! At home depot, is saw the price for one. Get this : $ 99.99. One hundred dollars.

Ok @DancingNerdHerd. I got an ideal for you. Please remember me if you use it. 😀😀😀
A fiberglass molded storage tank, that looks like a tool shed !👍!!!
You wouldn't even need a pump, with pressure from water in tank, oops, I mean shed.

Sounds great to me.
😎😎😎



Anything i say, could be misrepresented, or wrong.

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