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Post by indianforest on Jan 11, 2024 7:10:42 GMT -8
Hello everyone, I have a project in Spain for a farm school where I want to build a long, low-temperature kitchen where children can "cook" for the animals. The goal is to produce some steam from the pans, not necessarily boiling or frying. The structure is essentially made of 120mm x 120mm iron. The wood entry is vertical with a height of 200mm, and there's a 150mm long air inlet on the nearest side. The cooking area is 2000mm long, and the smoke outlet is about 2500mm high. I'm sharing a drawing with details for your input. Please let me know if a design like this would be functional and effectively direct combustion toward the smokestack. I'm open to recommendations and modifications regarding sizes. Thank you very much. Here the draw ibb.co/6nTp2dD |
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Post by indianforest on Jan 19, 2024 3:13:25 GMT -8
Nobody could even tell me if it could work or not?
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serg247
Junior Member
The mountain can not be conquered, it can allow it to ascend...
Posts: 111 
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Post by serg247 on Jan 19, 2024 3:57:55 GMT -8
Nobody could even tell me if it could work or not? No. Seat children safely around the classic barrel. Then it will be. |
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Post by indianforest on Jan 19, 2024 9:13:33 GMT -8
Do you mean it will not work and burn properly? I think It will be safety for the kids…
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serg247
Junior Member
The mountain can not be conquered, it can allow it to ascend...
Posts: 111
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Post by serg247 on Jan 19, 2024 10:15:38 GMT -8
Do you mean it will not work and burn properly? I think It will be safety for the kids… It won't work well. A large heated surface area is not safe. Just do as I recommend. Once I was drawing a similar project with a round table for a tandoor in the center. It is impossible to reach with your hands from any side. In addition to kitchen tools. Insulate the barrel from below so that your feet do not get hot. |
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Post by indianforest on Jan 19, 2024 10:44:57 GMT -8
In the draw you can’t see the details to make it safe, but it will. The main question here is if it will burn good beeing that 2 meters long. Most of the rocket cooking stoves doesn’t almost have horizontal tube and the rocketstoves with bench they use the vertical tube with the barrel just after the burn chamber, then the bench.
I’ve never seen a design as I want to do, thats’s why all my doubts.
In case you think it will not work, what would be the reason?
Thanks
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Post by martyn on Jan 19, 2024 10:53:01 GMT -8
Even basic J tube rocket stoves need to follow a certain formula, the fire will not travel along a long tunnel as it wants to rise up, your loading tube will just act as a short chimney and the fire will come out of the top.
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Post by indianforest on Jan 19, 2024 11:58:21 GMT -8
That was what I was scared of… before I make it I wanted to make it sure. Because I didn’t get any opinion I went further with it and I just tried… and it works perfectly!!! I put an air manual blower to help in case happens what you just said…but it works without it. Now I will make it 1,5 meter longer and I’m sure it will still work. Here a picture! ibb.co/2SfVjq2 |
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Post by indianforest on Jan 19, 2024 12:02:03 GMT -8
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Post by martyn on Jan 20, 2024 2:46:49 GMT -8
Ah ok I must of missed the bit about forced air start up but that design is a very far cry from what we would describe as a rocket stove due to the use of metal, lack of insulation and clean burn.
However if it suits you needs, then well done and good luck.
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Post by masonryrocketstove on Jan 20, 2024 4:41:35 GMT -8
I have a project in Spain for a farm school where I want to build a long, low-temperature kitchen where children can "cook" for the animals. The goal is to produce some steam from the pans, not necessarily boiling or frying. I think most folks here were not wanting to chime in and advise on a project like this because of the inherent safety risks with a stove that is meant to be a children’s play-pretend learning tool that mimics a rocketstove, but can’t be all that hot for safety reasons. There’s an old saying of warning, “you’re playing with fire here” that comes to mind. There are a couple problems I’d be concerned about with trying to use wood fuel to replicate a children’s teaching version of a wood-fired rocket stove: One is the difficulty in regulating temperature evenly so the children closest to the firebox don’t burn themselves.. and because kids are smaller with shorter arms and less physical coordination than adults, they’re at a greater risk of burning themselves leaning over a stovetop than long-limbed and better-coordinated adults are (as Serg pointed out) The other is the risk of carbon monoxide seeping from around the pot cutouts in the stove top.. since you’ll be trying to burn the fire at a lower temp than is needed to burn wood fuel cleanly (as Martyn alluded to.) Burning wood at low temperature creates quite a bit of carbon monoxide, even when there isn’t visible smoke. I think something like the gelled alcohol burners used under catering warming pans and steam tables would be a better option. And a lot safer for kids to “play” with. (Those little Sterno-style jellied alcohol fuels burn at much lower temperatures, and don’t produce smoke or carbon monoxide at low temperatures, unlike wood fires.) You can even make those gel fuel cans DIY fairly cheaply out of ethanol alcohol, white vinegar, and crushed eggshells or chalk. (Sterno mix is just calcium acetate and denatured alcohol) Since the sterno fuel is able to burn in a much smaller space, there’s also less risk of a child leaning over too far and burning themselves on the side or top of the stove, too. |
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