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Posted by Bill S on October 21, 2006 at 1:42:27 pm EDT
In reply to Re: Feathers posted by Blackbeard on October 21, 2006 at 12:08:22 pm EDT

Steve asked "How about the leakage contributing to effectiveness? Will this leakage over years lessen the "real" rating? Obviously, this only affects bags that are kept a very long time, but if I like something, I use it forever."

Good question. I don't know the answer, but a guess is that there is no, or very little, short term effect. I do know that my Eddie Bauer Karakoram bag was originally rated at -40F (it had extra fill), but now feels more like -20F or so (comparison is to my Feathered Friends -40F bag). The Karakoram has lost down over the years (got it in about 1960, for an exorbitantly outrageous for the time $55, a huge amount for a kid in college - but the tuition at that super expensive college was $500/year at the time, and now charges $15,000/year). Anyway, my experience with that bag suggests that the answer is that over a 45 year time frame, the bag has lost some effectiveness, due at least in part to losing down, plus maybe losing loft thanks to my storing it stuffed between trips for a number of years (not much room in a shared college dorm room).

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• Re: Feathers - my two cents worth - SteveTheFolkie 09:49:22 12/05/2006

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