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M Heat Exchange Stove Shootout: Part 3
Heat Exchanger Stoves

by Roger Caffin

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Article Summary:

One of the problems every walker faces in choosing a stove is how to compare their performances. The claims by the manufacturers are notorious for spin, hype, and in a few cases a bit worse. In this series of articles we present solid scientific measurements of the performance of a wide range of canister stoves, principally in terms of heating efficiency (grams of gas required) and heating rates (aka boil times). Part 3 (this article) presents a 'shootout' between most of the heat-exchanger stoves currently on the market, plus a comparison of them with the stoves listed in Part 2, to see under what conditions (if any) the heat-exchangers deliver a net weight reduction.

What is a 'heat exchanger' stove? Actually, in nearly all cases the heat exchanger has little to do with the stove. Rather, the term means that the pot has a ring of heat-sink fins around the base. The flames from the stove, or the hot gases from the flames, go through these fins, which will hopefully improve the efficiency of heat transfer from the flames to the pot.

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Heat Exchanger Stoves"