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Latest
Fuel Transfer Valves for Backpacking: Fuel Physics, Myths, Risks, and Real-World Performance
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.
On Heatsinks and Thermal Balance
Roger Caffin troubleshoots the heat shunt on V4 of his inverted canister stove design.
Unpacked: When Gear Owns You
A recent multi-sport adventure got BPL columnist Mark Wetherington thinking about gear and our relationship to it.
