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This article examines canister fuel transfer devices from a thermodynamics and engineering perspective, focusing on pressure-driven flow, headspace constraints, fractional distillation of LPG mixtures, and measured transfer rates. It evaluates Alpenflow, FlipFuel, and generic EN 417 adapters and outlines conservative operating practices that respect established EN 417 design safety margins.
This market report summarizes the category of satellite messaging-centric devices, i.e., devices that focus on satellite messaging as its primary, rather than secondary, function. This is in contrast to navigation-centric devices (which usually offer integrated mapping on the device), such as the Garmin inReach Explorer or Garmin GPSMap.
This study quantifies how quilt pad-attachment geometry affects convective heat loss. Using a controlled thermal surrogate, standardized wind exposure, and time-constant (Ï„) modeling, we compare pad strap to sheet-and-shingle systems. Results show that tighter pad coupling preserves a substantially higher fraction of still-air thermal resistance, especially under modest side winds.
Discover the most unique, innovative, and ultralight backpacking gear from small, startup, and cottage brands in our Cottage Gear Guide.
A curated guide to winter backpacking gear, strategies, skills, podcasts, forums, research, education, product recommendations, and more.
Learn how to build ultralight repair kits using context, consequence, and capability. Ryan Jordan compares short-term and expedition trips and addresses how to fix shelters, packs, footwear, lighting, and water treatment without carrying excess gear.
Lightweight and ultralight backpacking gear at REI - updated with recommendations, limitations, disclaimers, and consumer advocacy.
Jeff de Graffenried recounts a trek across South Africa’s Drankensberg Mountains’ Mini-Traverse.
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