First, lets talk about form factor and assembly. The stainless steel stove is quite light, weighing in at just 14 ounzes. This stove takes just seconds to assemble and disassemble. It pack down to a small size and comes with a carrying case. Now for some reason, this stove seems to fit perfectly in my MSR Alpine stow away pot. It's almost as if it was designed for it.
Now unlike alcohol or gas stoves, the Ohuhu is primarily designed to run on twigs. So when traveling in wooded areas, fuel can be found everywhere. Twigs are easy to collected, just find dead standing branches and pinch the tips with your fingers, if it snaps cleanly off then the twig is good fuel. With a few minutes of effort, I can gather enough twigs to run this stove for an hour. When using the stove, it is important to put it on top of a flat stone or on damp ground, this prevents the possibility of a forest fire.
This stove should be loaded all the way up to just beneath the top flame ports. It get the fire started, put some birch bark on the twigs and light it from the top. Within a few minutes, the stove will have a hot and stable flame going. Essentially, wood gas design produces a primary flame near the center of the stove. This primary flame emits wood gas upwards, at the same time, the heat from the flame creates a vacuum that draws in fresh air from the bottom ports and pushes it upwards. The fresh air mixes with the rising wood gas at the top ports and combusts into a nearly smokeless secondary flame. This design is extremely efficient, once the fire is established, it takes less than 5 minutes to bring 2 cups of water to a roiling boil.
After about 2030 minutes, I find it necessary to add fresh twigs to this stove to keep the fire going. In this way, I can extend the life of an active flame by several hours. Sometimes after a long hike, the warm flames of the stove can be used to create a very relaxing atmosphere.
Now, one of the best features of the Ohuhu is it's flexibility. Sometimes I've journeyed above the timber line and there is simply no wood to be found. The stove can be quickly re-configured to burn other types of fuel. In this alternative configuration the ash pan can be used to burn solid fuel tablets. Sometimes, I encounter bad weather and need to cook inside of a shelter. This stove can just as easily be used as an alcohol stove, providing a good backup option for cooking.
So bottom line, I really like the Ohuhu. The stove design is economical, flexible, and efficient. And after using it at least a hundred times, I think this stove is quite durable as well. For under 20 dollars, I don't think you can go wrong with it.
Here is the link to amazon for this stove
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