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Emergency Water Collection Experiment

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  • Emergency Water Collection Experiment

    I just started my water collection experiment.

    On many sites there are various methods listed for collecting rain water. But none of those posts ever seemed to provide an amount of water collected. They were all theoretical.

    Some of the more elaborate, whole home collection systems would provide some data as to the quantity. But I was more curious as to the effectiveness of the water collection gear in my BOB. I need to know it can be relied upon to actually collect a decent amount of water.

    Well, as expected, it then didn't rain here for a month. It just now started raining so I ran out and rigged it up.

    The premise is that it is not suppose to fancy and is only from the things in my BOB-Truck. Here's what I used.

    42 gallon plastic trash bag- BOB
    1 Gallon water jug- Found in Truck
    Pocket Knife
    1 Rock- found in the yard

    I popped the hood and slammed the trash bag under it to hold the top of the bag in place. Then I used the knife to cut a good hole in the top of the water jug. I shoved the bag into the hole to form a downward sloped triangle to taper the collected water into the jug. I did have to use a box to raise the jug up a bit. But I didn't slice the bag open to make it larger and longer. Had I done this, the box wouldn't be needed because the bag would have been long enough to reach from the hood to the ground. I also placed a rock in the jug to counteract the weight of the water in the bag to prevent it from tipping over the jug and dumping out any collected water.

    It is 2:30 PM now and it is lightly raining. Almost just a mist.

    I will report back with the result.

    Chin

  • #2
    OK.

    Experiment concluded.

    It did not rain as heavy or as long a predicted.

    I still caught 17 oz. of water in 3 hours.

    I think I can reasonably double that amount if I were to have sliced the bag open to double it's surface area and devoted more time to affixing it to the water jug.

    But the basic purpose was ahieved. To set a baseline collection rate for a rudimentary, portable, emergency rainwater trap.

    In very light rain, the baseline is @ 5 oz an hour using the 42 gallon bag, without slicing it open. I did not want to do this because I wanted preserve the integrity of the bag. In an actual field emergency, the bag would have other uses if still intact.

    Tomorrow I will get the actual measured rainfall amount for the area and see if I can drum up a usable surface area/rainfall/water collected formula for people to play around and experiment with.

    Chin

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    • #3
      Thanks for the info. Try and post some pictures next time.
      Survival question. What do I need most, right now?

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      • #4
        This is great, I have never considered it till now!!!
        Knowledge is Power, Practiced Knowledge is Strength, Tested Knowledge is Confidence

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        • #5
          That is a great idea for emergency rainwater capture!!
          Thanks!!

          Uses a similar method as ground water capturing, known as a ground water still:

          hmm kind of hard to explain, but the pic makes it easy to understand... why cant we or how can we add pics to forum that are not internet pics? :confused:

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