A compact stove for heating a small space is a very popular item that is not easy to buy. Yes, there are portable stoves on sale that run on gas cylinders. Not a bad props for travelers, but they are only suitable for cooking and work, you know, only if there is a supply of gas. But what if you need to heat your tent or, for example, save your plantings in a greenhouse from a sudden freeze? There is a great option suggested by the author of the YouTube channel. GARAGE 100. This is a very simple homemade product from an old thermos that will become your emergency wand.
Read in the article
1 How to make a stove from a thermos - step by step
2 How does a thermos oven work
3 Where can you use a thermos oven
How to make a stove from a thermos - step by step
Let's start with what kind of thermos is suitable for alteration: only one that is made of stainless steel and has an internal metal flask.
PHOTO: YouTube.comSuch small thermoses of domestic or Chinese production are in every family. They are practically eternal, so they fail only with some kind of damage.
PHOTO: YouTube.comRedesigning a thermos requires getting rid of all plastic rims and inserts - they are quite easy to removePHOTO: YouTube.comThe bottom of the thermos should be cut off with a grinder, but so as not to damage the inner flask. Be careful and cut literally to the very edgePHOTO: YouTube.comIn the upper part of the thermos, along the edge connecting the inner and outer flasks, you need to drill as many holes as possible for active air exchangePHOTO: YouTube.comThe bottom of the inner flask must also be pierced with a drill. Air will flow from below through these holes for active combustion of fuelPHOTO: YouTube.comIf the stove is to be used for heating, too, the thermos lid must also be modified. This is a metal glass, from which you also need to remove all plastic parts and make holes in its upper part.PHOTO: YouTube.comThe final touch: you need to cut the V-shaped holes in the outer bulb. If this is not done, when installing the thermos on a flat surface, air access will be closed.
How does a thermos oven work
As a result of the manipulations described above, you will get a compact pyrolysis oven.
PHOTO: YouTube.comFuel is placed in the combustion chamber. The inner flask heats up during combustion, and the air heated between the walls rushes upward according to the law of physics. Due to the active movement of the air flow, all gases burn out, providing a very high efficiency of the device
Where can you use a thermos oven
This compact oven is capable of two tasks. First, you can cook on it. It is simple and effective for camping, fishing or picnic. There is no need to build a fire to warm up the kettle.
PHOTO: YouTube.comThe only thing you need is to make a collapsible metal cross so that the dishes fit stably on the appliancePHOTO: YouTube.comA few small dry twigs are enough to warm up food
The second use case is heating. If we are talking about a tent or an emergency rescue of your seedlings in a greenhouse, it is better to use not a tree, but charcoal for a kebab or a tablet of dry alcohol. Both that, and another burn for a long time.
PHOTO: YouTube.comIt is necessary to ignite the fuel and cover the thermos with a perforated lid. There will be practically no smokePHOTO: YouTube.comLong-term heating will be provided by an alcohol burner placed inside the stove
Of course, it will not work to heat the greenhouse all winter with such a device, but it is quite possible to solve the urgent problem with spring frost.
And here is another example of a compact stove made from scrap materials:
How do you like this idea? Maybe you can recommend some other options? Share your thoughts in the comments!
