18338Re: [Hammock Camping] Solar Stills When You Least Expect Them
- Nov 28, 2007one interesting method i've seen (but not put to use) is wrapping a foliage covered branch in plastic (trash bag?) & wrapping the end tight around the branch to seal it.
as the sun heats the plastic the green leaves inside will put off moister which will collect inside the bag.
that apparently is more practical in a lot of situations than a solar still.
that way of collecting water was shown by cody lundun (sp?), a survival expert specializing in desert conditions of the south west US.
Dave Womble <dpwomble@...> wrote:
One of the biggest factors I have seen is "how much moisture is coming
out of the ground?". I haven't made a solar still intentionally but I
have seen its effect many times while backpacking. When hammocking I
sometimes get a lot of moisture on the under side of my tarp and many
times that is from condensation from the moisture evaporating from the
ground and/or vegetation on the ground. Sometimes it is so pronounced
that it occurs between the time I set up my tarp, mess around camp and
cook my dinner... I will have condensation on the underside of my tarp
before I have even been under the tarp.
One of the more noticeable occurrences was when I tarped and slept on
the ground using either a plastic ground sheet or a Tyvek ground
sheet. When I used a plastic ground sheet, the underside of it would
often be slightly muddy even on dry ground after a night of sleeping
and I didn't have much problem with condensation on the underside of
my tarp. When I used a Tyvek ground sheet, the underside of it would
be dry on dry ground after a night of sleeping but I often had
problems with condensation on the underside of my tarp... in fact,
there were times I would have condensation on the underside of my tarp
between the time I set up my tarp, messed around camp and cooked my
Looking back on those situations, I think I was lucky that I didn't
get into a situation when I was using a Tyvek ground sheet where I got
into trouble because not only is it not a vapor barrier, I don't think
it is waterproof to a very high pressure and I worry that you might
get ground water pushing through it from you body weight if the ground
was saturated with water, like laying in or on a puddle of water in
heavy rains. At the time I appreciated that I didn't have to deal with
a slightly muddy piece of plastic in the morning even when the ground
aka Youngblood 2000
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