Alpenglow Gear
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2026 Cottage Gear Innovation Awards
Explore the 2026 Cottage Gear Innovation Award winners with Backpacking Light and Garage Grown Gear. Six innovative products demonstrate practical advances in backpacking equipment, from shelter stakes to bear canisters. Learn why each earned recognition and celebrate one maker’s lasting contributions to ultralight gear with this year’s Lifetime Achievement Award.
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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.
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