Fire under the earth or Indian tricks
This bonfire is also called the Dakota hearth in honor of the American Indians of the Dakota tribe, who, apparently, invented it, not knowing the laws of aerodynamics, but simply relying on practical experience.
The Dakota hearth has many advantages:
- the flame is more intense due to good traction;
- less fuel goes;
- such a fire will burn well even in strong winds and give a uniform heating, since the flame will not be sidetracked;
- an underground fire will not give out your location with your light, and even less smoke from it;
- it is less flammable, it is easier to extinguish;
- when the fire will burn, and the flame will be extinguished, in a well-heated place, you can quite comfortably settle for the night.
As you can see, there are enough advantages, although you will have to work a little. So, your actions:
1) Dig a hole in the ground with a depth and diameter of 30 cm.
2) After retreating from its upper edge approximately 10 cm, widen the pit below to make it 50-60 cm in diameter.
3) Having departed from the main pit about 30 cm, dig up the second hole 15 cm in diameter so that it goes obliquely, diagonally to the first one, and as a result a kind of tunnel connected to it.
4) Put firewood on the bottom of the main pit and make a fire. Due to the fact that we got a kind of wind tunnel, even if curved, from the main pit the flame and smoke will go vertically upwards, and the additional pit will create a suction moment that will ensure air is drawn in to the wood through the tunnel. To further increase traction, it is better to dig an extra hole on the windward side.
5) And then you have several options:
- if the boiler or other cooking container is larger than the main pit, you can simply put it on top of it;
- you can put an iron lattice on top of it and put containers of a smaller diameter on it than the hole in the pit (for example, a kettle);
- You can put an iron sheet and thereby build a hob;
- if you don’t have any of this, you can simply take a strong stick, push it into the ground with one end, place a forked knot under it so that it holds the stick securely at the angle you need and hang a kettle or kettle on the end of the stick so that its bottom was just above the hearth hole.
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