Science, Theory & Math

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ARTICLES Technology Science, Theory & Math
Members Only Storm Resistance of Ultralight Shelters: Part 1, Introduction
by Ryan Jordan
Evaluating the wind and snow loading of shelters for ultralight backpacking in inclement conditions. Read More...
ARTICLES Technology Science, Theory & Math
Members Only Apparatus for Testing Thermal Insulation Properties
by Roger Caffin
When it comes to assessing things like air mats, foam mats, and other insulating things, the common measurement is called an R-value - meaning thermal resistance. We describe equipment designed and built to provide calibrated measurements of R-value for BPL articles. Read More...
ARTICLES Technology Science, Theory & Math
Members Only The Effect of Cold on Gas Canisters
by Stuart Robb & Roger Caffin
Ever tried to use your stove in the cold only to find that it just won't work, even although shaking the canister tells you there is plenty of fuel left? Then, when you check it at home to see what's the matter, it works perfectly. What is going on? Read More...
ARTICLES Technology Science, Theory & Math
Members Only Catenary Curvature as an Element of Ultralight Tarp Design
by Ryan Jordan and Alan Dixon
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