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#105931 - 09/17/07 02:16 AM Watercone-inexpensive solar still
falcon5000 Offline
Addict

Registered: 09/08/05
Posts: 662
Andy posted this over at SYKW survival forum that I thought was interesting.

Here's a possibility of a inexpensive solar still for 3rd worlds. It's pretty primitive, you have to deploy a few of them to be effective at 1.0 to 1.7 Liters of condensed water per day (24 hours).


http://www.watercone.com/product.html
http://www.worldchanging.com/archives/003889.html









Edited by Chris Kavanaugh (09/18/07 10:03 PM)
Edit Reason: Violation of forum policy
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#105935 - 09/17/07 02:50 AM Re: Watercone-inexpensive solar still [Re: falcon5000]
Susan Offline
Geezer

Registered: 01/21/04
Posts: 5163
Loc: W. WA
Hard to fit in a BOB, though....

Sue

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#105961 - 09/17/07 12:04 PM Re: Watercone-inexpensive solar still [Re: Susan]
benjammin Offline
Rapscallion
Carpal Tunnel

Registered: 02/06/04
Posts: 4016
Loc: Anchorage AK
Hmm, since it is conical, I am betting you could make a collapsible version just by using a more flexible plastic and instead of having the catch around the bottom belled you could just make a seam fold and it'd still catch the moisture and collect it. Then you could pinch the bottom flat and roll it up into a cylinder. I am also thinking you could make it pyramidal and have it fold flat for transport/storage under the same premise. it might not be quite as reliable, but it would still be a whole lot better than nothing.

As an alternative carry method, you could also put a cone of cloth covering over it with a little rectangular hole cut in the front of the cover and a strap at the bottom and wear it as a cool kung-fu Koolie hat.
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#105964 - 09/17/07 12:55 PM Re: Watercone-inexpensive solar still [Re: benjammin]
Nicodemus Offline
Paranoid?
Veteran

Registered: 10/30/05
Posts: 1341
Loc: Virginia, US
You could easily make this an inflatable item I would think.

The bonus while blowing it up is that the moisture in your breath can be caught. LOL
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#105985 - 09/17/07 02:23 PM Re: Watercone-inexpensive solar still [Re: Nicodemus]
paramedicpete Offline
Pooh-Bah

Registered: 04/09/02
Posts: 1920
Loc: Frederick, Maryland
I have seen listings on Ebay a number of times, for the inflatable version which is used in survival kits, although no listings currently. If I see a listing sometime, I will post it, as it may have the manufactures information for direct purchase.

Pete

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#106001 - 09/17/07 04:43 PM Re: Watercone-inexpensive solar still [Re: paramedicpete]
Nicodemus Offline
Paranoid?
Veteran

Registered: 10/30/05
Posts: 1341
Loc: Virginia, US
It appears that I am too slow with an idea, once again... HAHAHA

Thanks, Pete!
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"Learn survival skills when your life doesn't depend on it."

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#106008 - 09/17/07 04:54 PM Re: Watercone-inexpensive solar still [Re: Nicodemus]
mgjscdhl Offline
Stranger

Registered: 09/30/06
Posts: 19
Loc: canada

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#106017 - 09/17/07 05:26 PM Re: Watercone-inexpensive solar still [Re: mgjscdhl]
Nicodemus Offline
Paranoid?
Veteran

Registered: 10/30/05
Posts: 1341
Loc: Virginia, US
I'm so slow that multiple products have hit the market! LOL

Actually, looking at the second link, I may have seen that item before. It looks really familiar. So I'm nt slow, I just think everyone else's good ideas are my own.

Did I ever tell you guys of this theory I had? I think I'll call it Quantum Physics! crazy
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"Learn survival skills when your life doesn't depend on it."

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#106064 - 09/17/07 10:45 PM Re: Watercone-inexpensive solar still [Re: falcon5000]
LED Offline
Veteran

Registered: 09/01/05
Posts: 1473
Loc: Los Angeles, CA
I saw these on a show a while ago. What a great product. I wonder how effective a really large one of these could be.

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#106101 - 09/18/07 03:29 AM Re: Watercone-inexpensive solar still [Re: LED]
UTAlumnus Offline
Old Hand

Registered: 03/08/03
Posts: 957
Loc: East Tennessee near Bristol
I'd think production would be based on the area. Double area = double production.

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