2955Re: GI -- "Bag of Feathers" insulation
- Sep 22, 2003What is your ultimate goal for this Ray? I mean is it something you
will only want to use when it's very very cold? I can't imagine this
being very compact so I would think it would only be a winter gear
item. Is this right?
jamie in az
--- In firstname.lastname@example.org, "Ray Garlington"
> I did some work on the "bag of feathers" insulation and thoughtthese
> observations might help people thinking of making one. I did notwas
> test it yet, because the temperatures were not low enough where I
> in upstate NY. (Just down to 50F at night)it
> Here is what I did: Cut a piece of sil-nylon about 5'x5', folded
> in half and sewed the remaining perimeter except for the last 9" orjust
> so. I sewed each edge, then folded it over and sewed it again
> creating a double sewed seam. I then opened an old army mummy bag,
> section by section, and transferred all the feathers into the sil-
> nylon bag. (By the way, this appears to be about twice as many
> feathers as needed to make a good pad.) I then temporarily closed
> the opening by tying an overhand knot in the fabric.
> 1. When you open the mummy bag to extract the feathers, they will
> fly everywhere. I tried using a spray bottle of water, which tamed
> them a little, but then they stuck to my fingers. In the end, I
> worked outside on a porch on a calm day and settled for a littleloss
> and a cleanup job.to
> 2. Sil-nylon has zero porosity. When you go to stuff this bag, it
> takes a long time to force the air out through the seams. I need
> make a valve of some sort, or put in a section of some very
> breathable fabric.
> 3. not cold enough to test
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