Page 1 of 2 12 LastLast
Results 1 to 10 of 12
  1. #1
    Senior Member markrvp's Avatar
    Join Date
    Oct 2012
    Location
    Granbury, TX
    Hammock
    WB Ridgerunner
    Tarp
    Homemade Hex
    Insulation
    WB Lynx UQ
    Suspension
    Whoopie Slings
    Posts
    183
    Images
    3

    Educate me on Frost

    So the other night I started out in my hammock in the back yard to test my new triangle thingies that hold my underquilt. It got down to 34 degrees. Around 2:30 in the morning I woke up and needed to pee, so went inside and ended up going to sleep in my bed.

    When I went back out in the morning to collect my down sleeping bag and down underquilt, they both had frost on them (as did the grass, the roof, etc.). So my questions are:

    1.) Why did frost form on my sleeping bag and quilt?

    2.) If I had stayed in the hammock all night would my body warmth have kept the frost from forming on them?

    I don't want my down bags getting wet from frost, and it wouldn't always be convenient to wait to get on the trail until the frost is melted. I wouldn't want to put wet down in a backpack, you know?
    Attached Images Attached Images

  2. #2
    Senior Member Cali's Avatar
    Join Date
    Sep 2011
    Location
    Modoc, SC
    Hammock
    Switchback/Speer/T-Bird/WBBB/Lt Owl
    Tarp
    SF/CF/Cldburst/Oge
    Insulation
    Incub/Buro/Snugfit
    Suspension
    Cinch Straps
    Posts
    3,567
    Did you have a tarp up? That should prevent frost from collecting on your gear. Just my $.02.
    "No whining in the woods"

  3. #3
    all secure in sector 7 Shug's Avatar
    Join Date
    Oct 2007
    Location
    Minnesota
    Hammock
    I have many so....
    Tarp
    Blackcrow DIY Tarp
    Insulation
    FrankenquiltUQ/Pod
    Suspension
    Whoopie Slings
    Posts
    23,394
    Images
    62
    If you used a pad under your feet and had the pad under your TQ...then you may have created a vapor barrier thus frost. It happened to me a good bit.
    Started putting my pad in my TQ and never had it again.
    Skeeter net closed keeps in condensation as well.
    How many socks did you wear?
    Shug
    Whooooo Buddy)))) All Secure in Sector Seven

  4. #4
    Senior Member
    Join Date
    Jun 2012
    Location
    Albany, ny
    Hammock
    SLD 11'
    Tarp
    11' HG w/ doors
    Insulation
    DIY or HG
    Suspension
    Webbing/Beckett
    Posts
    347
    Quote Originally Posted by BajaHanger View Post
    Did you have a tarp up? That should prevent frost from collecting on your gear. Just my $.02.
    +1

    At that temp, frost shouldnt form if you were in the bag. Moisture will however. A tarp is usually enough to keep the dew (and frost) from forming for the most part.

    Anytime its cold, moisture will form in/on the bag from you. Its not usually a big deal unless your out in the cold for a long trip.

  5. #5
    Senior Member markrvp's Avatar
    Join Date
    Oct 2012
    Location
    Granbury, TX
    Hammock
    WB Ridgerunner
    Tarp
    Homemade Hex
    Insulation
    WB Lynx UQ
    Suspension
    Whoopie Slings
    Posts
    183
    Images
    3

    No tarp

    I did NOT have the tarp over the hammock. I will make sure to put it up from now on.

    I was only wearing one pair of wool socks and didn't have a pad.

  6. #6
    Senior Member DivaB's Avatar
    Join Date
    May 2011
    Location
    Newark, OH
    Hammock
    DIY Extra Wide & Long Tablecloth
    Tarp
    Funky & GG Tarps
    Insulation
    DIY down UQ
    Suspension
    continuous L. Amst
    Posts
    3,528
    There was a thread on this topic quite some time back. I can't find that now, or I may be searching for it wrong. My understanding of it all is that since it was coming up from under you also, that you didn't have a "welcome mat" placed under you. With a tarp over and a ground cover under, and if your not huffing and puffing in there creating a bunch of your own vapor, then you should be fine.

    There something about the moisture also rising from the grass and greenery under you. Just don't know how to explain the science. I'll let one of our many brain children elaborate on that

  7. #7
    Senior Member BillyBob58's Avatar
    Join Date
    Jan 2007
    Location
    Tupelo, MS
    Posts
    11,108
    Images
    489
    Frost, like dew and condensation, can be really tricky, particularly ( for me so far ) in an open, exposed, grassy back yard.



    http://www.hammockforums.net/forum/s...ead.php?t=6377

    About 1030PM I put a hot water bottle in my hammock. I noticed that the underside of the tarp and outside of the UQ had a heavy layer of frost on them already. About 11pm I sacked it at about 22*F with a forecast for 15*. I accidentally got my jacket a little damp on the back by contacting the frost on the under side of the tarp, and caused it to "snow" a little into the hammock as I knocked some frost loose.
    This was a heavy frost that formed on my quilts and inside and outside of the tarp during the evening while I was inside the house- with gear already hung outside and ready to test at bedtime. Even inside the hammock had frost where it was not covered by the TQ. The picture is the next morning after my body heat had dried much of the frost, but you can still see some inside the hammock. I have had the same thing happen numerous times with dew/condensation rather than frost, even if I was not in the hammock, soaking the inside of my tarp and maybe the UQ shell. The good news is that it mostly seems to stay on the shell and not so much getting into the down ( though that might be a problem if you have to pack up wet) and also this has never happened to me in the woods.
    Last edited by BillyBob58; 10-31-2012 at 17:06.

  8. #8
    Member Kodaking's Avatar
    Join Date
    Sep 2012
    Location
    Rockford, MI
    Hammock
    DB 72
    Tarp
    WL Oldman Winter
    Insulation
    HG Incubator
    Suspension
    Whoopie
    Posts
    72
    O no! Your supposed to face away from the hammock when watering the grass

  9. #9
    New Member
    Join Date
    Aug 2012
    Location
    Dreary Erie
    Hammock
    BIAS Camper; WL Sniper; DIY channel
    Tarp
    tarpless
    Insulation
    Frankenquilt
    Suspension
    you name it
    Posts
    48
    Quote Originally Posted by Kodaking View Post
    O no! Your supposed to face away from the hammock when watering the grass
    Maybe there wasn't a sign.

  10. #10
    Senior Member BillyBob58's Avatar
    Join Date
    Jan 2007
    Location
    Tupelo, MS
    Posts
    11,108
    Images
    489
    Quote Originally Posted by DivaB View Post
    There was a thread on this topic quite some time back. I can't find that now, or I may be searching for it wrong. My understanding of it all is that since it was coming up from under you also, that you didn't have a "welcome mat" placed under you. With a tarp over and a ground cover under, and if your not huffing and puffing in there creating a bunch of your own vapor, then you should be fine.

    There something about the moisture also rising from the grass and greenery under you. Just don't know how to explain the science. I'll let one of our many brain children elaborate on that
    Hmmmmm. Maybe a ground cover would prove useful? I have always figured matters were made worse by how wet the ground and grass are in the winter under where I hang. Then again, when the ground is frozen solid? Still worth a try.

  • + New Posts
  • Page 1 of 2 12 LastLast

    Similar Threads

    1. Educate me on TQ & UQs
      By ADVWannabe in forum Top Insulation
      Replies: 5
      Last Post: 03-30-2012, 11:07
    2. Frost OMG!
      By BodhiKnight in forum Do-It-Yourself (DIY)
      Replies: 5
      Last Post: 11-08-2011, 09:12
    3. Educate me on weather socks please
      By Shewie in forum Weather Protection
      Replies: 13
      Last Post: 01-24-2011, 18:19

    Bookmarks

    Posting Permissions

    • You may not post new threads
    • You may not post replies
    • You may not post attachments
    • You may not edit your posts
    •