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  1. #31

    Join Date
    Jun 2018
    Morris County, NJ, USA
    Warbonnet Ridgerunner Bridge
    UGQ Winterdream 13
    Lynx, hangtight
    Beetle Buckles
    Quote Originally Posted by GeneH View Post
    What a conundrum:

    Dark Tarp pitched low: hot in sun gloomy on a gloomy day and/or distorted colors
    Dark Tarp pitched low: nicely and slightly warmer in cool sunny weather.
    Dark Tarp pitched high: cooler in sun some loss of wind and rain protection

    Light Tarp pitched low: hotter in sun nice light neutral color inside on a gloomy day
    Light Tarp pitched high: not cool in sun some loss of wind and rain protection

    I really wanted a neutral gray tarp just for the light inside.
    And that's why I'm about to buy another so I have both LOL!
    ~~~NJHEART2HEART Dawn~~~
    "Seek God, Embrace the Journey, Leave a Legacy of Love"

  2. #32
    New Member Virtualbotanist's Avatar
    Join Date
    Jan 2019
    Rotterdam, NL
    Blackbird XLC - HD/DL
    DD Hammocks 3.5m
    Cumulus T+U quilt
    I fold back my tarp and stuff my quilts between the folds. It insulates, so no radiation passes through. I leave some quilt sticking out, so hot air can get out and it doesn't start brooding between the folds when the quilts could be damp.
    sunshade tarp.jpg
    last week in the Italian Alps near the Mediterranean. 38 C (100 F)

    I carry a huge 3.5 x 3.5 meter (11' 5") DD Hammocks heavy duty tarp so I can park my bike under it, but it should work with any size tarp in any pitch.
    Motor porch.jpg
    my motor porch last week in Chamonix - Mont Black
    Last edited by Virtualbotanist; 07-22-2019 at 02:29.

  3. #33
    Senior Member
    Join Date
    Apr 2011
    Toronto Canada
    Quote Originally Posted by Trees company View Post
    I wonder if a Mylar space blanket placed over the top of the tarp would make any difference?
    I've essentially done that with an emergency tarp with one side reflective as a sun tarp. Was significantly cooler underneath on hot stagnant day.

  4. #34
    Senior Member GeneH's Avatar
    Join Date
    Feb 2011
    Mound, MN
    Wish List 10x10
    air pad+1/8 foam
    I set up my gray 1.1 silnylon 10 x 10 tarp into A-frame Saturday, and compared inside temp to a nice open shaded area. The peak was about 4 ft and the sides had a 4-6 inch gap to the ground. My thermometer was a REI zipper pull, seems always within 2 deg of any thing I compare it to. The ambient shade temp was 83 deg F. Inside the tarp it was 93 deg F. The zipper pull thermometer was centered, about 2 feet off the grass inside the tarp. Saturday was pretty hot and muggy, the slight breeze was to the side, not flowing through the ends.

    (Update: I listed the thermometer because I have no confidence in accuracy or readability. But at least it shows a relative difference of about 10 deg)
    Last edited by GeneH; 07-29-2019 at 02:04.
    I need a new profile picture: I carry less, I'm older, and keep my shirt buttoned up now.

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