Chris on October 24th, 2009

In a previous post, I discussed the development of an efficiency factor for regular sized sleeping pads that takes into account warmth and weight.  The warmth is given by the R-value, a standard measure used in the construction industry for insulation.  I standardized the weight with the surface area, but I only included a chart […]

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Chris on September 28th, 2009

Sleeping pad manufacturers have been quoting R-values for their pads lately.  This is a major step up from quoting nothing for a warmth spec.  However, until there is a similar system for rating sleeping bags, and then a system for comparing sleep systems, there will still be a lot of trial and error in choosing […]

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