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Latest
Sleeping Pad R-Values: Not That Useful
R-values alone are not enough for many consumers choosing new sleeping pads, and much of the current guidance is inconsistent.
Estimating the Age (Lifespan) of Your Backcountry Water Filter
The goal of this test is to determine the effective age of your backpacking water filter based on comparing its current flowrate to its flowrate when new.
StoveBench: A Stove Testing Protocol for Comparing the Performance of Backpacking Stoves
StoveBench defines a protocol that is used to measure two important backpacking stove performance features (power and efficiency) in order to determine a single, quantifiable performance factor called the StoveBench Score.
Evaporative Heat Loss in Upright Canisters (Part 4 – Propane and Cold Temperatures)
This technical series addendum addresses the role of propane and cold temperatures in canister stove performance.
Evaporative Heat Loss in Upright Canisters (Part 3 – Transferring Gas Between Stove Canisters)
Instead of buying a new fuel can for each trip, discover techniques for transferring gas between stove canisters.
Evaporative Heat Loss in Upright Canisters (Part 2 – Evaluating the Efficacy of Canister Warming Techniques at Temperatures Below Freezing)
This article tests various canister warming techniques for preserving the efficiency of canister stoves in sub-freezing temperatures.
Evaporative Heat Loss in Upright Canister Stoves (Part 1: Measuring the Temperature Drop of Evaporative Cooling)
Evaporative heat loss in upright canister stoves extends boiling times and changes fuel mixture composition. Here's how to combat it.
A Brief Look at Lindal Valves
Testing shows debris could be inside canister fuels.
The Evolution of a Winter Stove – Part 5: Infra-Red testing
Dissatisfied with what was commercially available at the time, the author has been working on the design of a lightweight winter canister stove since 2007. This installment focuses on infra-red testing.
The Evolution of a Winter Stove – Part 4 – Lessons Learnt
About 110 people bought the custom stove and served as beta testers. Their feedback highlighted some of the benefits and bugs of the stove.
The Evolution of a Winter Stove – Part 3
Dissatisfied with what was commercially available at the time, the author has been working on the design of a lightweight winter canister stove since 2007.
The Evolution of a Winter Stove – Part 2
Dissatisfied with what was commercially available at the time, the author has been working on the design of a lightweight winter canister stove since 2007.
The Evolution of a Winter Stove – Part 1
Dissatisfied with what was commercially available at the time, the author has been working on the design of a lightweight winter canister stove since 2007.
Torso Simulator to test Heat Loss in Outdoor Gear – Radiation
Measuring the affects of radiant heat loss to help you better prepare for the backcountry.
How Safe Is Your Food? Investigating the effectiveness of odor-proof bags
Do odor-proof bags work? How do supposedly "odor proof" plastic bags for backpacking hold up to the keen nose of a Police K9?
Thermal Feedback in Upright Canister Stoves
Different upright canister stoves seem to work with differing levels of success in very cold weather, and one wonders why. Claims for pressure regulator stoves are especially problematic, with marketing spin being extreme in some cases. We examine just what is going on here, with an in-depth analysis of some aspects of both upright and remote canister stoves, to unravel some critical factors.
Impact of Wind on Insulation Loft
During a winter storm, strong winds can render your lightweight puffy useless. This article examines the effect that compression can have on various types of insulation, and presents recommendations for staying warm and alive.
Midlayer Technology: Patagonia Capilene 4 v. Mountain Hardwear Desna Hoody
This winter, increase the versatility of your other layers by adding a midlayer. An overview of two notable options, and discussion of current fabric tech.
The Future of Baselayers
A glimpse into the future and a mini-review of the Mammut All-Year long sleeve crew.
Insulation Measurement
A method for measuring insulation in quilts, sleeping bags, and other gear.
