Wool Blanket and Ripstop Nylon

Discussion in 'Sleep Systems' started by HannahT, Oct 8, 2018.

  1. HannahT

    HannahT Firebug Hobbyist Supporter Bushcraft Friend Bushclass I

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    I have a theory that if I were to pin/sew/etc. a sheet of light ripstop nylon to one side of my wool blanket, it would stop the air coming through and keep me warmer. Anybody tried something like that? I tried to camp in my hammock a little while back and nearly froze to death.
     
  2. Moondog55

    Moondog55 Guide

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    Do it on both sides and even better. Yes it is the same as adding a windproof jacket when wearing a woollen jumper and should be equal to the warmth of another woollen blanket. Not conjecture tho proven in practice
     
  3. PACoureurDuBois

    PACoureurDuBois Supporter Supporter

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    I've used a GI poncho in the sleeping bag configuration, with an old school wool sleeping bag inside. Does exactly what you're looking for.
     
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  4. NevadaBlue

    NevadaBlue Graybeard Supporter Bushcraft Friend Bushclass I

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    Sounds like a quilt doesn’t it? My mom made quilts using navy blankets my dad brought home from the war.
     
  5. blind & lost

    blind & lost Supporter Supporter Bushcraft Friend

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    Don't use waterproof nylon on the top, you will get wet from inside.
     
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  6. Young Blacksmith

    Young Blacksmith Supporter Supporter

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    I've done that, a wool blanket inside a small tarp. It kept me warm and no moisture from the outside, but I did produce condensation on the inside. Not horrible, but there was some. I used the soft taco method, under and around one side, over the top.
     
  7. Unistat76

    Unistat76 Nerd Supporter Bushclass I

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    Along the same lines, I've contemplated making a quilt by sandwiching a Mylar emergency blanket between a nylon fleece blanket and a thin layer of ripstop nylon. I would first perforate the mylar with a pinhole about every inch to allow condensation to escape.
     
  8. 1066vik

    1066vik Guide

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    plain ripstop will help, but not be totally windproof.
    coated or DWR ripstop will work better as a wind barrier.
    my experience with hammocks is that you need twice as much insulation under you as you would if you were laying on the ground.
     
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  9. ozarkhunter

    ozarkhunter Guide Vendor

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    I used a GI poncho liner under my wool blanket on a recent campout. Weather was in the low 40's at night and I stayed toasty warm. Slept on top of my sleeping bag and self inflating pad. I woke up 2 mornings slightly sweating.
     
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  10. Roamer

    Roamer Supporter Supporter

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    How about wool blanket under Tyvek?
     
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  11. JeffG

    JeffG Scout

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    I've seen and slept under several quilts made this way, they are as snug as you will ever need. Mapping a grid on the quilt and putting ties of yarn or string through all layers, keeps the blanket from wandering. Using ripstop would likely make them more "bush worthy".
     
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  12. gohammergo

    gohammergo I like sharp things.... Supporter

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    Have you tried this yet to see if it works?
     
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  13. HannahT

    HannahT Firebug Hobbyist Supporter Bushcraft Friend Bushclass I

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    I haven't yet but this would be a good week to try. I cashed in some vacation days and I'm off all week :dblthumb:
     
  14. gohammergo

    gohammergo I like sharp things.... Supporter

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    Pics and report. :)

    I wonder how this would work for a tent? :)
     
  15. Portage_Monster

    Portage_Monster Scout

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  16. blind & lost

    blind & lost Supporter Supporter Bushcraft Friend

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  17. HannahT

    HannahT Firebug Hobbyist Supporter Bushcraft Friend Bushclass I

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    The week turned cold before I got around to it and I'm a little chicken to camp in the cold :D Also all I have at the moment is uncalendered... Brr! I've gotta get some to try!

    @blind & lost I agree!
     
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  18. NevadaBlue

    NevadaBlue Graybeard Supporter Bushcraft Friend Bushclass I

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    Tell me why you need the calendared stuff please. I thought it was for ‘down proofing’.
     
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  19. Portage_Monster

    Portage_Monster Scout

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    Great company. It makes me happy that they seem to be growing and thriving.
     
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  20. Portage_Monster

    Portage_Monster Scout

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    Honest answer? I clicked on wind resistant fabric and I was drawn to 1.6 oz fabric over the lighter 1oz. I have no idea what down proofing or calendared means. ha
     
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  21. NevadaBlue

    NevadaBlue Graybeard Supporter Bushcraft Friend Bushclass I

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    I looked it up and it seems to be a ‘polishing’ kind of process. They iron it essentially to make it denser, kind of. Makes that particular fabric downproof. I guess it makes it more wind proof too?
    I was just curious .

    Down likes to escape or poke out through fabric. The calendaring apparently sort of seals the fabric with heat.
     
  22. Portage_Monster

    Portage_Monster Scout

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    Ahh!! That makes sense.
     
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  23. HannahT

    HannahT Firebug Hobbyist Supporter Bushcraft Friend Bushclass I

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    That's how I understood it. According to RBTR it's supposed to help with wind resistance.
     
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  24. Dave_Markowitz

    Dave_Markowitz Guide

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    Another option would be some tightly woven canvas. It should be more breathable but still wind resistant. The biggest drawback would be weight.
     
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  25. Moondog55

    Moondog55 Guide

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    The downside [ pardon] to calendering is that it becomes slightly less robust, it wears a bit faster. For a shell over a woollen blanket the difference is going to be marginal so if there is a difference in price get the cheaper. Cheaper again and almost as good if Nikwaxed is a tightly woven cotton / poly bedsheet from any of the big box stores, must be high count tho. I prefer Nikwax for this as it more breathable than using any of the beeswax blends but one of the old bedsheets I used diluted silicon on has lasted 4 seasons already used as a throw over the top when I'm car camping and may last another year or two with casual use. There is more than one way to do most things
     
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  26. cek

    cek Supporter Supporter

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    I put snaps on a woobie, poncho liner, and a wool blanket for my youngest daughter she loves it. All she uses, coldest shes slept out in though is probably 50~.
     

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