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General Engineering
Most compressible volumes: synthetic fibre versus natural eider down?
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[QUOTE="Baluncore, post: 6544125, member: 447632"] Down was a low cost traditional material, a byproduct of food production. As clothing, it was not designed to get wet, so was used inside, or outside in cold dry conditions. I would consider a structure made from several layers of knitted wool or hydrophobic fibre. The difference between knitting and weaving is very significant when it comes to included voids. Whatever you use, it will require a wind-proof envelope, probably close woven. [/QUOTE]
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Most compressible volumes: synthetic fibre versus natural eider down?
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