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Thread: Silk Filled Duvets

  1. #61
    Ultra King Martin Carpenter's Avatar
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    Even if you only use a hood rarely its there and affects the limit down to which you can comfortably use the bag. Not massively, but its there.

    Golite's (and TARs) quilts aren't really the same as having multiple specialist cottage industry firms as in America (and several down balaclavas etc.). As it stands PHD's zipless bags are seemingly ahead of Golites quilts in terms of warmth/weight and entirely comfortable for me, so..... If they (or @ equivalent) did real backpacking quilts I'd maybe think about it.

    Actually it occurs to me that quilts just aren't being sold quite right. They're not a crazy attempt at saving weight, or dramatically compelling viewed in those terms vs other very light options. But thats seemingly how they're being sold.

    What does make them compelling is viewing them as combining a very light weight with the adaptability in terms of warmth that a full zip sleeping bag gives you. Oh and plenty of comfort. You emphasis those last two and how familar they are from duvets at home, and let the weight/cost that the simplicity gives you round it out.

    Perhaps this is what TAR are trying to do? Tricky to break in from scratch though.

    You just need to look at PHDs zipless bags in their sales to see how easy it is to get a very good warmth/weight/cost ratio once you're prepared to cut features intelligently!

  2. #62
    Ultra King Mikel el Bastardo's Avatar
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    It was comfort that led me to quilts, Martin. Any weight saving was a bonus.

  3. #63
    Ultra King Peter Clinch's Avatar
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    Even if you only use a hood rarely its there and affects the limit down to which you can comfortably use the bag


    I suspect you're assuming far more precision in temperature measurement than is actually applied by Real People in the field. It's going to be cold... do I take my Dewline and decide I'll be using the hood, or do I take the Lightline? Probably the latter. It's a pretty coarse grain, like people's sleeping bag/quilt selection. I have a couple of bags, one with 300g fill, one with 550. Now, I could arguably find a use for a 400 fill to omptimise my weight carried when it's a bit cool for the Dewline and a bit warm for the Lightline, but there are things like cost and cupboard space that even have anal gear junkies like me thinking it's going a bit far.

    In practise folk will check out the likely temperatures and if whatever they're sleeping with is up to the job they'll put it in. If the next trip is 5 degrees warmer they'll probably make the same decision. If they only have one bag (often the case) the only decision is whether to pack extra warm PJs, but the decision of which one bag they'll get will be down to what works for the great majority of their sleeping. The granularity of such a choice is far coarser than the difference of Bag X with hood done up vs. Bag X without hood done up but wearing a hat, I would suggest.

    Pete.

  4. #64
    Ultra King Martin Carpenter's Avatar
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    Of course I was! But then I was doing a truly pedantic weight measurement comparison, which bares terribly little relevance to the real world anyway Just trying to quantify what, if any, real weight savings there actually are/were from quilts.

    It is perhaps slightly relevant when eg Golite give their quilts and sleeping bags with the same loft precisely the same temperature rating. Thats definetly wrong, although you can sort of understand why they've done it.

    I assume the EN test could cope with an uninsulated head, but I think doesn't do top bags etc anyhow so....

  5. #65
    Mini Goon Roos Eisma 2's Avatar
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    Thats definetly wrong

    For an extreme temperature, definitely. For a hand-wavey comfort temperature, I don't think necessarily the case (as Mrs. N. points out, hoods aren't that comfortable if you're basically warm enough anyway because they limit movement). And comfort temperatures are, by their nature, a bit hand-wavey...

    Pete.

  6. #66
    Ultra King Martin Carpenter's Avatar
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    Well yes but they could trade it down a couple of degrees or something Suppose its reasonably obvious what they mean in context.

    Suppose it'd actually be intriguing to see how much it did effect a relatively objective test like the EN ratings, but little chance of anything like that.

    To guess, the one season has lost ~50g of 'material' overall, the 3 about 190g. Some of thats saved underneath, and quite a bit not down of course.

    So the 1 season difference probably is error margin, but the 3 season should have a few degrees docked as ~50g of plausibly useful down is a non trivial loss (2/3 degrees or so).

    Much better than **** synthetic bags of course!!

  7. #67
    once upon a time when purchasing from the us really implied sparing a couple of quid I brought a Jacks r Better no sniveller sew. Truly brilliant, low weight and even has an opening/velco opening to utilize it as a poncho, in spite of the fact that I never have in the field its decent to have the choice. I lean toward quilts cause tog for tog they have a tendency to be lighter and I discover them more comfortable, no speeds to break is special reward. On the off chance that my head gets chilly I put my beanie on.

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