 Hi, my name is Daniel Connell. I've been running a project developing things you can make yourself from recycled materials Which using basic tools with the idea that they be makeable by anyone anywhere under any circumstances wind turbines hydro turbines cook stoves Just basic basic human needs kind of stuff and then documenting it doing full construction tutorials on how to make it and Use it and replicate it. It's all open source. So welcome any feedback Especially if you do end up making this Please let us know we've got links to the Facebook group and my email in the description. Please post photos and all that sort of stuff Today, we're going to be making one of these which is a rocket stove optimized for cooking It's just made of food cans and some insulation. We use in this case perlite a little bit of twisting wire And that's it all the materials involved here are about two dollars Basically just got food cans three large to medium Three small these don't have to be like specifically this exact size like as long as they're generally about right and then the other materials twisting wire Perlite, this is the only stuff that you're likely to end up paying for but it's real cheap. It's about $2 worth here if you can't get this for some reason. I've also used pumice, which works really well It's just like the small grain stuff vermiculite which is Similar to this the tools will be using a pretty basic just a pair of tin snips just scissors for metal Pair of pliers snubbed nose is better than needle nose for when we'll be using these twist wire A stick for poking Pen magic like a permanent marker for stirring lines and a can opener for opening the cans I prefer this kind like the Jaggy tooth kind it's Better for a process which I'll explain when we get to that bit. So in terms of safety It's quite easy to cut your hands a bit of sharp bits of sharp metal. So if you're worried about that wear some kind of work gloves and Other than that it's pretty safe We'll be going through like fire safety and all that sort of stuff how to use the stove itself at the later in the tutorial Uh, other than that it's yeah, it's not too Dangerous a process you'll probably live first take one of your medium cans take the paper off and then we're going to be just like opening this Three quarters of the way around so not taking the fourth thing out So that you have like a flap like that And then you want to draw a line which basically Starts from one end comes around to the other end and you want that to come out by about 30 degrees It just eyeball that like it doesn't need to be precise push that out of the way a little bit and you want to cut Lines at about like a quarter of a way around Between the rim and that line you just drew fold that bottom One in being really this is Kind of the point where like you want to start thinking about not cutting your hands So just be careful like take everything slowly don't rush and then probably using your pliers Just to really crimp that metal Bend those corner flaps down sort of they Lock So then take one of your large cans and you're just going to trace an oval On that which this can is then going to poke out through at a at its 30 degree angle and then just mark the center and then draw So half that and then quarter it and then third those quarters So you end up with 12 segments And then you can use a drill for this next bit, but you can also just use your can opener just punch a hole In the center there Very roughly Large enough that you can then get your tin snips and cut out Those sections this doesn't need to be precise. I mean very little of this needs to be precise Really This can be a bit fiddly For the first couple of cuts if the metal just goes sideways on you rather than cutting Then just sort of try to bend it back flat so you can get like a proper Slice into it and again be real careful with your hands here because if you're going to cut yourself This is when you're going to do it So that you end up with that which is super rough, but that's fine doesn't need to not be And then just bend these tabs out So just reach in with your pliers to the base of the triangle and Then just check that that goes through there Basically at the 30 degree angle that it's going to be on We're now going to do basically the same except in here to accommodate one of your small cans Which will also be on that same 30 degree angle. So take one of your small cans Remove the top and the bottom This is the bit that's going to be facing like downwards And your chimney is going to be on the top so Draw an oval in that part of the face there And this this bit just sort of eyeball it and then kind of just eyeball So using the same width but just make it longer So it's in an oval And I mean if it turns out too small you just cut it larger and if it turns out too large we'll be Wiring it back shut so And then do the same thing of marking 12 sections And then punching a hole and then cutting it out in the same way Like so make sure that that goes nicely in there And then we're just going to put a loop of Wire around there and then twist that off so the trick of twisting wire Is to sort of grab as far down as you can with your pliers on the twist You don't want to keep twisting from the top or you're basically like if you're like using the wire to twist itself If that makes sense, then you're basically going to break it You want to always be getting down to the base of things So something like that essentially And then just to stop that from wandering off. I usually just bend a few of these tabs down So that's the back half of the burn tube and the first sort of third of the riser So your wood is going to be in here your secondary combustion is going to be in here We're going to just like make the other half of the burn tube So take your can opener you want to cut around two thirds And then leave about a centimeter each side of like connected metal And then cut out the rest. So you have two cuts a large cut and a small cut and then it's going to reach through carefully and bend that top flap out and down And that basically is now like a little shelf For setting your wood and gives you a little bit of extra length that it's going to like be held up gives you like a little raised lip which kind of like grabs onto the wood so I can't slide out as easily And lifts the wood up off the bottom of the tube So it can be surrounded by flame and air and burn a lot more effectively And this cut is to feed oxygen feed air into the coals Which are going to collect in the bottom of the tube now to connect this into here in a sort of strong nice way This is going to be on the bottom on that bottom side Just make little one centimeter or so like really not very not very deep cut And then just crush that in with some force and then Just compiling all of these together take your inner bit here Chuck that so that it's poking out through the hole there Taking this bit here And then just forcing that into there very carefully because if you slip you're going to touch the metal This can take a little bit of force like that And then twist this front can so that your shelf is horizontal So you can see this is starting to take shape now You've got the burn tube where your wood's going to go here And this is going to be your your chimney sort of with the double wall So we're just going to top and bottom Your remaining two small cans And your large cans and then we'll just Then we'll just be stacking those together So you've got those two and then just going to be Snipping these again like little snips on the edge to lock those together So just keeping in mind that you want if you've got like an inward facing Sort of like into the can that's going to be your outer Whereas if you've got like the bits that are sort of like pokey outy They can be either inners or out is it doesn't really matter and then without dislodging things too much Just jam that in there And so this is the chimney It's not so vitally important that these connection points be super strong Because this is going to be like surrounded and like packed in in your installation Anyway, it is important that The the connection between the two burn tube like medium cans is strong And when these ones go on These ones go on here. Um, you want this to be strong downwards Because if you've got like a pot of water or something heavy on there You want that like downward force to be to be quite strong And then so we're just going to do similar With your large cans or cut off the top and bottom Then on either side of these you want to just make four Really little cuts just like a centimeter evenly spaced And then you're going to have basically two tabs That go outside So you just want to bend Those out a little bit and to the go Inside for like two opposite ones sort of go out a bit the other two go in a bit And then you're just going to drop that over here that Essentially and then same with this one And I actually don't really love this connection method It's good and strong for downwards force, but it's a bit sort of gappy and like you can get like pearlite Spilling out of there because the outer wall shouldn't really get that hot because like you've got so much insulation in between You can put some tape like some gaffer tape or something around there just to seal it in but it seems a bit Inelegant so if anybody has a better idea of how to do this Then let me know there's this is all a open source project Um like everything that I design So like you can hit me up in the comments or send me an email My email address is in the link in the description Also, we have like a facebook group, which is like the discussion forum for all this And you can ask questions there, but also like please post results like if you do make this Please let us know and so then that's quite strong downwards But not necessarily strong upwards So if you've picked this up, especially when it's like got the insulin in there and is Full weight that can then separate out Sort of why I don't love this connection method, but it is sort of good and strong That way, especially when this is fully packed. So just a loop of twisting wire or some kind of fencing wire or whatever you're using Around the base there just to lock it off And then just make sure that that's chimney centered one of the last steps we're going to do is we're just going to basically Fill this with pearlite It can be handy to use like one of the lids that you cut off here Just as a sort of like shields that you don't end up Pouring pearlite into your chimney there So just make sure that everything's sort of like basically closed off. There's only huge gaps And it's going to like piss out and do like it's quite fine grain stuff So it can find its way into your burn tube here And if it's like the occasional bit here and there like that's fine But if you've got like a serious hole then it's just going to like pour in there So that's what the twisting wire was for basically And so that's just a matter of pouring that in there Get things nice and centered and then taking your stick just Making that nice and compact So you just want to fill that up pretty much to the level of the inner tube so that you end up with that kind of situation so On this one like the the tube is that the burn tube is not really kept at 30 degrees like it's sort of I'll sort of let that sort of get a little bit flat, but it'll still do the job Just remains to make four cuts evenly spaced And then it's bending out from those lines triangles So bending like sort of just bending the the corners in essentially And that's to give like a gap for the fire to get out And so you've got like a pot on here like that's like a space for the flame to get out Otherwise it'll it won't draw it won't won't flow but it also Makes these points just stronger Because if you just like cut down and sort of bent a tab in or whatever like these would be quite floppy But having those corners sort of like bent over makes them a lot more stable so that they'll take like heavier heavier loads and then one last step Just to sort of make the thing a bit sort of safer and nicer these um these tabs here uh, just sort of give them Just like bend them back on themselves Basically, let's curl them And it's basically it it's important when you light is the first time That you do so in a ventilated area because there's sort of plastics and metals in here Which will burn off with that first burn when it gets up to full temperature And then after that they won't be present anymore But just that first time just give it like you know five ten minutes like kind of empty space don't breathe it basically and uh after that it should be good for indoor indoor use if necessary So this is about the size of wood that you want about a centimeter or two square and Yay long just enough that it can reach the back of the uh of the burn tube and be resting on the On the shelf here It's important that you have the wood in air as much as possible Which is the reason of this little shelf here because then like you get air all around it you get fire all around it You get coals underneath it And it burns a lot more effectively you don't want to overstock this you don't overfeed it You want to have About like when it's running optimally and up to up to temperature you'll have like about a quarter Full of coals A quarter full of wood and then half full of air and that's about optimal the more flame you can get from your wood The more volume of flame and if you can fill like your riser with fire Then it bumps up the temperature you get a more complete burn It's a lot more efficient and it dumps all of the energy Out of your out of your fuel Into what you're cooking like very very quickly and you'll have to keep like you know keep an eye on it It'll go out after like five or ten minutes because it was burned through the fuel But if you're cooking on it anyway, you're going to be here It's not like a sort of set and forget heating kind of stove. It's a cooking stove So it's something that you're going to have your eye on so the limitations of the stove are Mostly the materials that it's um there's food tin so it's thin mild steel So this won't last forever. This isn't meant to be this isn't meant to last forever This isn't something you'd build into your house and like you know have for for decades and pass on to your Jordan This is meant to be rapidly makeable rapidly deployable and do a good job It's for low resource environment global southern countries disaster relief refugee camps Camping preparer situation survivalist situation homesteading like anywhere that you need to be able to cook food Heat water very quickly and easily with like basically nothing in materials This is a very cheap easy and effective design So lighting it is just a process of putting some some paper some kindling In the bottom of the tube not too much just enough to hold a flame A couple of little wood chips some surface area and then a couple of Long bits especially if you've got something which is a bit sort of feathered Just to take that initial flame and I find the easiest way is just to light it in the uh the oxygen gap Once it's going You'll know because we'll stop smoking wood will start burning away into coals Once you get the coals in the bottom of your tube then Anything you put in there just gonna burst into flame essentially So that's that that's how you make it. That's how you use it Like I say if you make one of your own, uh, please let us know post in the comments from the facebook group Uh, I just wanted to add that this uses about 80% less firewood than equivalent open fire So in a lot of parts of the world that means people have to spend less time gathering firewood less deforestation less soil erosion and less um Less smoke means less smoke inhalation less respiratory disease which kills more people per year than malaria Um, and it's lightweight. It's portable. It's easy. It's safe and it's good. So Yeah, that's it. Thanks for thanks for watching like and subscribe, etc