Page 1 of 2 12 LastLast
Results 1 to 10 of 18
  1. #1
    Member ame's Avatar
    Join Date
    Nov 2007
    Location
    Korea
    Hammock
    Claytor Jungle Hammock
    Tarp
    Claytor JH Tarp
    Insulation
    MontBell SS UL #2
    Suspension
    Descender rings
    Posts
    80

    Planning a test hang in freezing weather

    Hi,

    I am hoping someone will talk me out of this, but I'm going to have to try one time. Next week I am going to an education centre in the mountains. I will be working during the day, but I want to use my hammock overnight. I will be permitted to camp in the grounds of the centre, which is essentially surrounded by pine forests. There is some snow on the ground, and some snow is forecast. Temperatures are around -12C (10F) overnight here in the town, and may be colder in the hills.

    I have a Claytor hammock, an Exped 7 DLX DownMat and a MontBell UL SS#2 down sleeping bag. The sleeping bag is 'comfort rated' to -4C (25F). It is 'survival rated' to a lower temperature. I shall be wearing merino long johns, long-sleeved top and watchcap, and woollen socks. I will probably carry a water bottle filled with hot water.

    I am unlikely to want to camp in such a low temperature 'for real', but I am curious as to whether it is possible with the gear I have.

    If it gets too cold I can skulk back into the main building, but my main concern is if I am likely to fail to detect hypothermia and be unable to wake up in the morning. What are the chances of that? Do humans tend to wake up feeling cold and then be able to do something about it before succumbing to hypothermia?

    Comments and advice are welcome.

    Thank you,

    A

  2. #2
    Senior Member Bradley's Avatar
    Join Date
    Jun 2010
    Location
    West Kootenay, BC
    Hammock
    NX-150 TX-150
    Tarp
    Vertex-Camo
    Insulation
    Z-Liner & DIY Pads
    Suspension
    Clark
    Posts
    1,672
    Quote Originally Posted by ame View Post
    Hi,

    I am hoping someone will talk me out of this, . . . but my main concern is if I am likely to fail to detect hypothermia and be unable to wake up in the morning. What are the chances of that? Do humans tend to wake up feeling cold and then be able to do something about it before succumbing to hypothermia?
    Comments and advice are welcome.
    Thank you,
    A
    You'll be just fine if you work the numbers
    and you will not just sleep til dead
    it doesn't work like that
    Bradley SaintJohn
    Flat Bottom Canoe
    Start A Biz

    The Transition from Ground Sleeping to Hammocks
    is the Conversion from Agony To Ecstasy,
    and Curing Ground-In-somnia.

    "Call unto me, and I will answer thee, and show you great and mighty things . . ." Jeremiah 33:3
    ΙΧΘΥΣ

  3. #3
    Senior Member Dudorino's Avatar
    Join Date
    Apr 2010
    Location
    Elkhorn, NE
    Hammock
    Clarks, WBBB, BMBH-UL
    Tarp
    WBSF, Edge
    Insulation
    Incu-Burrow!
    Suspension
    WS & Dutchware
    Posts
    441
    Images
    42
    I was tested my winter gear on 12/26 and it got down to 10 degrees.

    I think you're going to be a bit cold with that setup. I recommend a winter rated under quilt for starters and some additional top covering too. A 25 degree sleeping bag may only be good down to about 35 in a hammock. At ~10 degrees, you should consider a top cover like a burrito oven and a tarp to keep any wind/breeze away. You'll also want some really warm mittens or gloves and a face mask. Oh, and something to keep your feet warm.

    Hope that helps.
    My YouTube channel: Tool Dude Tony
    "No matter where you go, there you are." Buckaroo Bonzai

  4. #4
    Joey's Avatar
    Join Date
    Dec 2010
    Location
    Western Maryland
    Posts
    1,808
    Images
    51
    Suggestion: as you are close to a building... you may be able to carry/add a nice wool blanket, or something to that effect, to add an additional top layer.

    I'm unsure about the down mat. If you don't have access to an underquilt, maybe a second mat for extra insulation may help. At least to have on standby to toss in if needed.

    As for hypothermia...you'll shiver and be miserable first. If you get that cold, just go inside and make note of how well your set up did, and think on what could be done to improve it. Don't just lay there cold! It's great that you have an option to get warm when testing this out. Best way to do it, IMO!

  5. #5
    Senior Member Bradley's Avatar
    Join Date
    Jun 2010
    Location
    West Kootenay, BC
    Hammock
    NX-150 TX-150
    Tarp
    Vertex-Camo
    Insulation
    Z-Liner & DIY Pads
    Suspension
    Clark
    Posts
    1,672
    The down bag will compress . . . so if that is all you have . . .

    the rating will be lost.

    Put it into a second bag if you can . . . and it will help loads.

    Sleeping on down does not work.

    Synth bags are best for in hammocks. IMO

    Bradley SaintJohn
    Flat Bottom Canoe
    Start A Biz

    The Transition from Ground Sleeping to Hammocks
    is the Conversion from Agony To Ecstasy,
    and Curing Ground-In-somnia.

    "Call unto me, and I will answer thee, and show you great and mighty things . . ." Jeremiah 33:3
    ΙΧΘΥΣ

  6. #6
    Senior Member tbone's Avatar
    Join Date
    Aug 2009
    Location
    Havertown, PA
    Hammock
    WBBB
    Tarp
    WB SF
    Insulation
    inner fortitude
    Suspension
    cinch & straps
    Posts
    204
    You could use the search function and possibly consider the Garlinton Taco, doesn`t seem to get mentioned much with all the quilts now out there but it seems like it would be a cheap quick easy fix.

  7. #7
    Senior Member jeremesh's Avatar
    Join Date
    Dec 2009
    Location
    Laurel, MD
    Hammock
    Clark NA200
    Tarp
    Clark Vertex
    Insulation
    Synmat 9 DLX/7 UL
    Suspension
    Stock Clark
    Posts
    124
    Quote Originally Posted by Bradley View Post
    The down bag will compress . . . so if that is all you have . . .

    the rating will be lost.

    Put it into a second bag if you can . . . and it will help loads.

    Sleeping on down does not work.

    Synth bags are best for in hammocks. IMO

    Sleeping on down works if you have something else under you to provide the bottom insulation. In this case his Exped down mat. Sleeping on this down works because it is tucked away inside the inflatable mat so doesnt get compressed. I think with the exped and the the bag you will get chilly at 10 degrees. Wear extra layers and use the hot water bottle. You have your bailout plan if necessary.

  8. #8
    Member ame's Avatar
    Join Date
    Nov 2007
    Location
    Korea
    Hammock
    Claytor Jungle Hammock
    Tarp
    Claytor JH Tarp
    Insulation
    MontBell SS UL #2
    Suspension
    Descender rings
    Posts
    80
    Hi,

    Thanks for the pointers so far. It sounds like I won't die*, but I might be cold. Since I am unlikely to die* then I will try it. With a thermometer I will be able to know what temperature is uncomfortable/not possible, then I can try again in February or March when it is a little warmer.

    I understand about the down of the sleeping bag becoming compressed beneath me and becoming useless. The Exped DownMat is an inflatable mat filled with down. It does not compress much when you lie on it, and the down inside insulates. It is intended for sleeping on top of snow or ice or freezing ground. This would be my first test of the DownMat.

    A

    * 'on that night', not 'in general'.

  9. #9
    Senior Member Bradley's Avatar
    Join Date
    Jun 2010
    Location
    West Kootenay, BC
    Hammock
    NX-150 TX-150
    Tarp
    Vertex-Camo
    Insulation
    Z-Liner & DIY Pads
    Suspension
    Clark
    Posts
    1,672
    Quote Originally Posted by jeremesh View Post
    Sleeping on down works if you have something else under you to provide the bottom insulation. .
    COOL
    Quote Originally Posted by ame View Post
    Hi,
    The Exped DownMat is an inflatable mat filled with down. It does not compress much when you lie on it, and the down inside insulates. It is intended for sleeping on top of snow or ice or freezing ground. .
    COOL
    Bradley SaintJohn
    Flat Bottom Canoe
    Start A Biz

    The Transition from Ground Sleeping to Hammocks
    is the Conversion from Agony To Ecstasy,
    and Curing Ground-In-somnia.

    "Call unto me, and I will answer thee, and show you great and mighty things . . ." Jeremiah 33:3
    ΙΧΘΥΣ

  10. #10
    Member ame's Avatar
    Join Date
    Nov 2007
    Location
    Korea
    Hammock
    Claytor Jungle Hammock
    Tarp
    Claytor JH Tarp
    Insulation
    MontBell SS UL #2
    Suspension
    Descender rings
    Posts
    80
    Hi all,

    I am heading out tomorrow (Monday) but last night it was -16C here (about 3F) so I might die after all.

    I will take all my gear, but it might be too cold to try.

    A

Tags for this Thread

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
  •