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  1. #1
    New Member Goodbadgersmilk's Avatar
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    3/4 length UQ w/850fp down ?

    This is my first time making an underquilt and I was curious of the approximate weight of 850fp down needed for a 3/4 length UQ rated to 20 degrees Fahrenheit? Any suggestions or ideas are much appreciated.

  2. #2
    Needs more Hang time Catavarie's Avatar
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    Take the length, width, and height of your UQ and plug them into the following formula:

    (L*W*H)/850

    This will give you a rough estimate of how many ounces of down you will need.

    Most people tend to add an extra 20% of down to their quilt to prevent down drifting and give a slight temp boost as well.

    For a 20F quilt your looking at around a 2 inch chamber height.

    My advice is figure how tall you want your baffles to be, then cut them a half inch shorter and add an additional 10%-20% down over what your initial height would have been.

    But I'm a belt and suspenders kind of guy, I'm working on fixing that though.
    Last edited by Catavarie; 03-03-2013 at 22:27.
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  3. #3
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    Ultimately it depends on the dimensions of the quilt, but hammockgear lists 8oz of fill for the 20 degree phoenix underquilt

    http://www.hammockgear.com/under-quilts/

  4. #4
    New Member Goodbadgersmilk's Avatar
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    Thanks for the info Cataverie!

  5. #5
    New Member Goodbadgersmilk's Avatar
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    Thanks Brucky. I did look at that sight before I posted, but I was looking for something a little more plug and play. I think they slightly overfill.

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