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Arc X question
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Jan 10, 2005 at 2:52 pm #1215742
Hey Ryan,
I was wondering, does the Arc X have a differential cut? Thanks.
JoshJan 13, 2005 at 10:21 pm #1335138No, you’re only dealing with 2+ inches of loft, a differential cut doesn’t do much, because the radius doesn’t compress the sidewall appreciably. Once you start getting into bags that have 3+ inches of single layer loft, a differential cut starts to make sense. You get real benefit from a differential cut in winter bags, mainly.
The reason it’s not so important is that sidewall compression is not going to be the limiting factor of the bags warmth at the moderate temperatures for which it’s design. Because loft is almost always the limiting factor of a bag’s warmth in winter conditions, a differential cut becomes more important.
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