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What type of silicon did you use?
How big was your plastic sheet, how much vegetation material did you put in the hole? Like I said, using a 4 foot by 4 foot sheet of clear plastic and filling the hole mostly full of fresh cut grass, I was only able to get about a cup in the Texas Summer with temp around 100 Degrees F.
A gallon size zip-lock bag will fit most feet and also has other uses
In step 3, the amount of water you can collect with even the best of this type of device, will probably be less than you lose in sweat digging the hole. Find another method of collecting water. Don't believe me try it yourself. A cup a day is more than you will get from most of these, using clear plastic and putting high moisture plants in the hole. This is one of the worst survival ideas that keep getting promoted.
Those that think that this works by picking up radio waves, seem to forget that in 1901 when Telsa patiented the device, there were no radio waves being transmitted. At that time to have a patient approved, a working device had to be presented to the patient examiner so it worked then with no radio waves.
Learn how to use a pendulum, or L-rod and locate the arrow that way, then it only a mater of digging it out.
absurdism,I have a hard time believing that stainless steel will hold an edge better than a high carbon steel blade, never seen it in all of my experience, also if high maintenance means putting a little oil on the blade every few days, then I guess you have been an office worker too long. Can't find oil in the wild, try from the side of your nose, I have naturally oily skin so I can oil a six inch blade at one time.
I know this is taught lot of places, but in my experience you will waste more water in the form of sweat than you will collect. Unless you are putting it over wet sand/earth the chances of gathering any usable amount is slim to none. Think about it, the picture shows putting a few plants in the hole to gather the moisture from, how much water do you think you will get from a bucket full of brush, at most maybe a half cup. So unless you are staying in the same area for several weeks, it is not worth the effort.
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