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  1. #1
    Senior Member litetrek's Avatar
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    Sep 2010
    Location
    Atlanta, GA
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    DIY - Single Layer and Clark TX-250
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    Minimum Temp for no bottom insulation

    I know the minimum temperature that's comfortable for each person (without an underquilt) is different, but what's a good rule of thumb? I usually don't get cold very easily.

    Its 55 F at night up in the North Georgia Mountains and I'm guessing I'll be comfortable with no bottom insulation in my hammock if I wear my light weight wool long johns and use a top quilt. My clark hammock sleeps at least 5 degrees warmer than the outside temp if you close the weather shield. I'm only going for an overnight and I'm trying to cut my load to a minimum so I'd like to leave the underquilt behind as long as its not just a dumb thing to do. I've not used my equipment enough to know the limits.

    What advice do you have .. good or bad idea to skip the underquilt at 55 degrees?

    I'm confident I won't be miserable without an underquilt. I just don't want to be even a little cold if I don't have to. My 20 degree top quilt will be overkill but its what I have
    Last edited by litetrek; 06-11-2014 at 21:55.

  2. #2
    grannypat's Avatar
    Join Date
    Mar 2012
    Location
    In the woods outside of Westminster, SC
    Hammock
    DIY, HH Exped BE
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    Tadpole/Purple Pal
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    20 Incubator,WL SS
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    whoopies, MSH
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    3,231
    I'd take it, or at least a pad.
    Keep movin', keep believing and enjoy the journey!

  3. #3
    Penfold's Avatar
    Join Date
    Nov 2013
    Location
    Staten Island, NY
    Hammock
    TX-150, Roo, HB SBBF, Envy
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    Vertex, ShangriLa
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    Z-liner, WL SS UQ
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    Straps, D. buckle
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    294
    I agree with grannypat, bring the UQ or if you have a thin ccf pad, I would bring it if you sleep particularly warm.
    Discretion is the better of valor

  4. #4
    WaffleBox's Avatar
    Join Date
    Nov 2012
    Location
    Tallahassee, FL
    Hammock
    PolyD SLD Streamliner
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    Zpacks Cuben
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    20* Burrow/Phoenix
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    Sp. hooks, Adutch.
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    387
    I needed bottom insulation when hanging in my bedroom with AC at 71, and I like to be a little cool while sleeping.

  5. #5
    Senior Member goobie's Avatar
    Join Date
    Jul 2011
    Location
    SouthEastern WI
    Hammock
    SLD streamliner,WWM
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    Tadpole,WintrHaven
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    PJUQ,HG Incubator
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    UCRs,Whoopies
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    277
    Only one way to find out!!


    If had had to choose between top insulation and bottom insulation................bottom wins every time. Bring the UQ and an extra long john top or jacket. One night or one week, you still need to keep your backside warm.

  6. #6
    bayoubomber's Avatar
    Join Date
    Apr 2012
    Location
    Houma,LA
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    WBBB 1.7 DL ENO D, WW
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    378
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    Your body continues to cool all night and if there's a breeze you will have CBS!!!
    "Life's short, if you don't stop and look around every once in a while you might miss it". FB

  7. #7
    Senior Member
    Join Date
    Nov 2012
    Location
    Minneapolis, MN
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    366
    Personally, my back-up plan would be having at least a pad within an arm's reach. I am certain I'd have already grabbed it long before the temps dropped to your expected lows.

    It seems your back-up plan will be...just getting cold?

    Good Luck. I am looking forward to reading how this turn out.
    Questioning authortity, Rocking the boat & Stirring the pot - Since 1965

  8. #8
    SilvrSurfr's Avatar
    Join Date
    Jul 2011
    Location
    Jersey Shore, NJ
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    Dutch PolyD
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    HG Winter Palace
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    I've never tried sleeping in a hammock without underinsulation and don't plan on it. Staying warm is of utmost importance for a good night's sleep, so I don't try to shave grams on basic necessities.
    “The way to see by Faith is to shut the eye of Reason.” - Benjamin Franklin

  9. #9
    Prefers life at 12 MPH. FLRider's Avatar
    Join Date
    Jun 2011
    Location
    Gainesville, FL
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    DIY Gathered End
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    DIY Asym
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    DIY Modular Quilt
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    Whoopies/MSH
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    4,650
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    14
    I am an exceptionally warm sleeper (ground dwelling, a poncho liner and a set of boxers will take me down to freezing moderately comfortably), and I find that my minimum for no under insulation is about 60* with zero wind and nominal humidity or 75* with moderate winds and higher humidity.

    I find that a poncho, slung up as an undercover, with a space blanket crumpled up inside (a semi-Garlington insulator) will take me totally comfortably down to 55* and moderately comfortably down to 50* even with moderate winds and rain. It costs me ~1 oz of insulation over my normal rain gear, so it might be worth looking at.

    I've survived at 43* with that particular set-up, but I don't really recommend it. I was cold that night, almost cold enough to prevent sleep. 55* to 60* is what I'd recommend for a normal human being.

    Hope it helps!
    "Just prepare what you can and enjoy the rest."
    --Floridahanger

  10. #10
    Member
    Join Date
    Jan 2012
    Location
    Malden, MA
    Hammock
    Dutch Argon 11'
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    Jarbidge UQ/ PLTQ
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    cinch buckle
    Posts
    61
    I've only gone without something under me in the middle of July when the day time temps were in the mid to upper 90s (NE US on the coast) I'm guessing the nights were in the mid to upper 70s. Every other time i have needed something under me unless I was just layin down for a quick nap.

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