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Cozies


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  • #1291201
    Erik Dietz
    BPL Member

    @erikdtz

    I started with a Hawk Vittles Snuggie and it works great but it's a little bulky:

    http://hawkvittles.com/snuggie.html

    So I switched to a four cup ziploc container with reflectix made by antigravity gear:

    http://www.antigravitygear.com/trail-designs-caldera-kitchen-4-cup-screw-lid-container-with-cozy.html

    While it was still bulky it gave me an actual bowl to eat out of, it cooks my food just as well as the Snuggie and my whole cooking system fits inside.

    So my questions are these: is it just the reflective silvery material that allows the food to keep cooking? If so, could I use a thinner material such as a car shade to make a thinner more packable cozy and have it work just as well?

    Thanks!

    #1888595
    Sarah Kirkconnell
    BPL Member

    @sarbar

    Locale: Homesteading On An Island In The PNW

    http://www.trailcooking.com/store/fbc-cozy
    I was the one who came up with a fabric version which is not bulky.

    #1888921
    Don Abernathey
    Member

    @oldguysrule

    Locale: PNW
    #1889006
    Daniel Cox
    BPL Member

    @cohiker

    Locale: San Isabel NF

    I did some crude testing of cozy material in my kitchen. I boiled 2C of water on the stove in my pot, then slipped it into a custom-made reflectix cozy, with lid, stuck a candy thermometer in the water and waited an hour. Then repeated the process with a fabric cozy, made of an oven-mitt material that JoAnn fabric calls insul-fleece, double thick.
    starting with water at approx 210F (brought to boil on stove and then moved off)
    Reflectix- @60 min: ~175F
    Fabric- @60min: ~158F

    I believe that the reflection does more than the insulation, but it's hard to test non-reflective reflectix to see, I guess I could just get some bubble-wrap and see.

    Thinner car-shield stuff should work, I think probably as well as fabric.

    If you want to coast-cook things like pasta, I'd do reflectix, if you are trying to not burn your hands, and rehydrate FD food, anything will work.

    #1889022
    Sarah Kirkconnell
    BPL Member

    @sarbar

    Locale: Homesteading On An Island In The PNW

    Insul-Bright is what I use in my cozies. It is thin, light, breathable, washable and it works. You don't need a double layer either.

    #1890141
    Eric Blumensaadt
    BPL Member

    @danepacker

    Locale: Mojave Desert

    I bought medium weight brown fleece at Jo Ann Fabrics, made an "envelope" type cozy with Velcro closure and it works great. It's light too.

    #1890251
    Elliott Wolin
    BPL Member

    @ewolin

    Locale: Hampton Roads, Virginia

    I made a double-thickness fleece cozy with a top flap that works great. Unfortunately it weighs 3-4 ounces if I recall. I made another out of Climashield scraps and 1.1 ripstop, light but it didn't work as well, although it was a bit cold on that trip. Everyone has their favorite material, not sure what mine is yet…

    #1890252
    Don Abernathey
    Member

    @oldguysrule

    Locale: PNW

    Hi Erik! There are 3 major modes of heat loss, and silvery-stuff only affects the most insignificant mode. I'm certainly not an expert, but the very best cheap insulators trap air for the insulating effect. Therefore, the thicker, the better.

    Windshield shade isn't as good as Reflectix. Reflectix isn't as good as R15 fiberglass batting. But nobody is going to want to carry around fiberglass batting, so Reflectix is a pretty good alternative. I've also used 3mm neoprene – works pretty good.

    It is easy to get carried away with the insulation, but when freezer bag cooking, remember that you only have to keep the water above a certain temperature for a certain time based on what you are rehydrating. So if you are trying to make lunch at -20*F @12,000 feet – you need some pretty good insulation. But if you are just making Mac&Cheese in 50*F weather then most anything will work for cozy material. Most noodles have a 5 minute soak time and don't need much of a cozy. Something like real rice has a very long soak time and requires a very good cozy.

    #1890290
    Sarah Kirkconnell
    BPL Member

    @sarbar

    Locale: Homesteading On An Island In The PNW

    The cozies we make weigh about 1.2 ounces. Our lining fabric is why they are so light.

    Also, uncooked (raw) rice and pasta are not FBC friendly, no matter how good a cozy is. Precooked and dehydrated is your friend.

    #1892785
    Laurie Ann March
    Member

    @laurie_ann

    Locale: Ontario, Canada

    My friend knitted a wool cozy for me and I will be testing it this fall in the colder temps. I'm curious how it will be compared to fabric or reflectix.

    Currently I use (insert your cringes here – lol) a wide-mouth (32 oz capacity) Nalgene for the 4 of us and I put it inside an Aquatherm from Granite Gear. Works brilliantly. As baby girl gets bigger we may have to migrate to two of them. Considering that water bottle is split between us the weight is negligible.

    #1892891
    Daniel Cox
    BPL Member

    @cohiker

    Locale: San Isabel NF

    "The cozies we make weigh about 1.2 ounces. Our lining fabric is why they are so light."
    I've been experimenting with FBC cooking rather than a cozy for my 1L pot.
    My new quart-bag reflectix cozy weighs 0.9oz. It's a good bit bulkier than the insul-bright one though. If you're hurting for space, reflectix copies are about as thick as a thick magazine, and like 8".5 square. Maybe too big for some.
    One thing I like about reflectix is its easy to clean and doesn't hold food smells like fleece. It goes in the bear bag anyway, but I've been known to be a messy eater and don't like crusty potatoes on my cozy. :)

    #1892941
    Sarah Kirkconnell
    BPL Member

    @sarbar

    Locale: Homesteading On An Island In The PNW

    Relectix ones do get smelly – they can get steamy while the food rehydrates inside – no matter what cozy a person uses it should be bagged or put in a canister at night. You can clean them by washing off where with fabric ones you can machine wash them after each trip (we don't use fleece).

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