sounds good. I wonder a bit whether breathing aluminum would be a health concern. I'm guessing not, as it would be sort of inert. And nowhere near as bad as breathing wood smoke, I suppose. What do you think of some guy's idea of adding perlite to the cement? I'm no expert: I don't even know the difference between mortar and concrete at this point, but I'm getting there.
I had to chisel out refectory in the afterburner section of a burn furnace for melting x-ray film and lithographs to refine the silver out ( Gave me a tan)
@@user-hj7ld4ff7p loose aluminum is definitely bad for you. Neurological problems associated with heavy metal poisoning. However LOOSE aluminum, not all aluminum. For a stove to work you need something thermally stable, there are all kinds of cements that can handle the heat but they're not super common because we don't work with exposed flames in our daily lives anymore. To keep this as simple as possible I would recommend 2 metal buckets/cans/barrels/chimneys/etc that you can nest together, the air gap will insulate. It'll be light as hell and get the job done
good idea about the bucket handles. I'm wondering about whether the perlite would expand and contract and weaken the concrete. If not, it sounds great for making a lighter cement stove. I'm just starting my research. Next up is to google "refractory cement"
@@DavidHands David it's more a ceramic material process: rice husks and clay ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-i208a7FaM6Q.html&lc=UggVQm9qi1IHm3gCoAEC
Way Cool ..... Something I definitely need to make so I can cook with yard debris branches sticks twigs don't have to worry about having any kind of fuel to cook that's so awesome.
Concrete or cement looses 70% strength when heated more than 415°c. After few uses it will just crumble. Better to use clay with, ceramic fiber/glass fiber reinforcement. Cause steel expands and can cause cracks
Well this thread suks….I wanted to make one of these😞…but certainly not going to waste the effort if it’s not going to work. I have enough worthless chunks of concrete around my backyard
I am totally impressed. I have seen videos using a type of concrete called crack resistant??? It was used for home crafted metal smelters. It is readily available at your local big box store.
@@stopwars8642 Towards the top, just enough below the rim for there top be time for some secondary combustion. If straight holes so do they need to be angled downwards at least 60 degrees, steeper the better to make sure air flows the right direction. More complex design can have winding channels that go down and link up with the main air inlet below. The benefits are that it both provides more heat and also gets rid of the smoke.
@@harveybc some potential difficulties with handles: top mount could interfere with pots side mount would put torsional stresses on the concrete that could fracture it. a plastic bucket with a GOOD handle (they do exist!) would be able to handle the weight.
Our stove in the Province is like that since I was young 4 decades ago and until now. Coco Charcoal is my favorite to use as it will not make your Dirty Kitchen Dark. In the Philippines we have 2 types of Kitchen. Dirty Kitchen outside the house and one Regular Kitchen inside. ☺ 🇵🇭
What a snobby thing to say to judge a person's way of life in another culture that is probably been living like that for thousands of years and the pansy ass chef culture that's worried about a dirty kitchen outside has only been in the last let's say 20 no I'm not disagreeing with you but you know if you're living like that for a lot of years you're not going to worried about a couple of germs
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People around the world have learned alot from RU-vid, it was not for RU-vid none should know anything, we thank God so much experience we have learned ❤❤❤❤❤❤❤❤❤
People used to listen to their Elders, and read books. It's not like nobody learned anything before youtube .... if anything, bad ideas spread faster on the internet than in the real world.
@@danieparriott265 But with You Tube , you could start learning varieties of topics with demonstration in front of our eyes within seconds . If you have to read , it may be confusing at first or if you have to learn from someone you have to pay him or find someone who knows the art . Yes, if you want to study deeply you have to learn from someone . But for simple knowledge and basic skills like learning guitar chords etc, you can learn it very easily without the help of any person around or to purchase a book
Wonderful, I would like a chimney on my grill so the bottom of the pan doesn't get soot. Maybe I could cut a slight 1 In. angle into the cement hole to fit a wok and pipe the smoke out the side?
Doesn't take an expert to see how dangerous and wrong this is. This could explode injuring the user at anytime. It is not built for stove heat. If you are ignorant then just search high temp concrete vs regular concrete and dangers of regular concrete in high heat application
Great video and simple as well! Nice to know in case when the SHTF and one needs to do whatever possible to help their family survive. Excellent job on the video!
What is the supply list I can sure use the list now want and need a supply list so I can get started on mine please . Thank you ahead for letting us know
I love this video! I learned some great tricks! Might you do another video, applying your unique insights to rocket stove proportions? This could advance the state-of-the-art on backyard rocket stoves.
They have about 12 videos on different stoves made with cement. I like the ideas, but I would definitely find a different mix so it'd be more heat resistant.
I certainly wouldn't recommend starting a fire and it immediately the water in the cement can expand and actually blow up the stove. 30 years in Masonry. And I'm just saying it needs to dry
Looks good. Very creative. How long did you let it cure? It would seem that if you put too hot of a fire in it and there's too much moisture still in the concrete it's going to crack. Maybe you start with fires that are lower in heat and then work your way up?
1 year ago, sorry, late question: I'm thinking about building this cement stove. Also thinking of adding perlite to make it lighter, though I suspect it might expand and contract and weaken the cement. Someone also mentioned using refractory cement as it's for kilns, but I do wonder about breathing aluminum. Comments? Thank-you. David Thor@@fullcircle4723
@@stephenboyd4934 except not everyone watching will think to change the design. i think there’s another vid where there are feet and handles added. It needs something underneath like feet or a base to keep the heat off the floor, so that’s good too.
Great tutorial video, and use of materials. Did you use the refractory cement as it is less porous, and is heat resistant! Beautiful build, and this video helps with the building process. Thanks for sharing!
