Transpiration Bag

Discussion in 'Cooking & Water Purification' started by field-expedient, Jul 23, 2019.

  1. field-expedient

    field-expedient Misfit Supporter Bushclass II

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    Set one up the other day. Here is what It put out

    Start time
    DSCN0467.JPG

    End date and time
    DSCN0472.JPG
    DSCN0477.JPG
    About 1/2 a pint
    DSCN0481.JPG
    Thanks!
     
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  2. zelph

    zelph Guide

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    First time hearing of this method used on foliage, very interesting. Does the water need to be sterilized? Does it have a plant taste?
     
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  3. PAcanis

    PAcanis Supporter Supporter

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    Do you have a pic of the whole setup from further away?
     
  4. SpookyPistolero

    SpookyPistolero Slow learner Lifetime Supporter Bushclass I

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    Very cool! I've always wondered whether these would work very well with a black contractors bag (which I usually carry a around). I need make a little experiment soon.

    If it helps. I've done it just once, just have to be cautious leaves aren't contacting bottom and vapor can't bleed out.

    [​IMG]
     
  5. PAcanis

    PAcanis Supporter Supporter

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    That helps a lot. First time hearing of these. I had no idea the bag was tied to the side.
    Thanks.
     
  6. Wasp

    Wasp DOWN IN DIXIE Supporter

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  7. field-expedient

    field-expedient Misfit Supporter Bushclass II

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    does not work with black bags
     
  8. SpookyPistolero

    SpookyPistolero Slow learner Lifetime Supporter Bushclass I

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    Good to know. My assumption is it would just wilt and kill the leaves? Obviously there's no greenhouse effect either.
     
  9. field-expedient

    field-expedient Misfit Supporter Bushclass II

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    No it don't need to be sterilized however make sure the plant is not poisonous/toxic. It does have a green plant sort of taste.
     
  10. Midwest.Bushlore

    Midwest.Bushlore Supporter Supporter

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    Survival tea! I've read about this in old manuals but never tried it, thanks!
     
  11. zelph

    zelph Guide

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    Can you leave the bag on the same bunch of leaves day after day for a continuous source of water?
     
  12. field-expedient

    field-expedient Misfit Supporter Bushclass II

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    I reckon you could but I would move it or add fresh vegetation each day. It wilts the leaves quite a bit and I would imagine it would start to loose efficiency.
     
  13. zelph

    zelph Guide

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    Thanks field-expedient, good to know:dblthumb:
     
  14. Sandcut

    Sandcut Sed ego sum homo indomitus Vendor

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    What's our new vocabulary word?

    :D
     
  15. field-expedient

    field-expedient Misfit Supporter Bushclass II

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    Verdant!
     
  16. MrFixIt

    MrFixIt Old Jarhead LB#42 Supporter Bushcraft Friend Bushclass I

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    They showed this technique in SERE school. It works pretty good if you are able to stay in place long enough to gather it.
     
  17. PrimitivePotato

    PrimitivePotato Supporter Supporter

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    I want to give this a try, I was reading about it in Kevin Estela's book (101 skills you need to survive in the woods) and he said to use a deciduos tree. Being in New Zealand we don't have many native deciduous trees and not many that I can identify. Does anyone know why you have to use a deciduos tree? Also wouldn't that make this technique not viable during winter? Although I suppose you guys have snow...
    Cheers guys
     
  18. field-expedient

    field-expedient Misfit Supporter Bushclass II

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    I have never tried a conifer tree but wouldn't think it would put out much water and I would think in the winter it would be hard to get enough sun or hot enough temps to make it work.

    It don't have to be a tree. you could fill a bag with fresh cuttings of vegetation and sit the bag in the sun and it will do the same thing.
     
  19. PrimitivePotato

    PrimitivePotato Supporter Supporter

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    Good points, Thanks @field-expedient!
     
  20. Jacob

    Jacob Guide

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    Cool experiment! It’s great to hear the details. Looks like a lot less work than a solar still. I’ve had the best luck collecting dew around sunrise by shaking it off trees onto a poncho. only works about 4 months out of the year though and not reliable even then. Makes me wonder how smashed up cactus would do in a clear trash bag.

    Thanks for sharing
     
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