Thank you for the great explanation of the different types of stoves and ways to keep the cost down. I agree with you that your stove looks great... all it needs is wheels and Stephenson would be proud!
It's always great. To see the two of you doing this stuff together, really good fun especially with the norms behind you trying to figure out what Old Ben and that Skywalker kid are up to now.
Looking forward to the indoor upgrade on this stove. Thinking this is my best choice as I don't have a good collection of tools yet. Thanks for your efforts and sharing 👍🇬🇧
You guys are the best. I love the combination of fun, and offering up solutions that may well be profoundly helpful for a lot of people this coming hard winter. Good stuff.
You are the Fred Dibnah of science. Absolutely fantastic, great to watch, turn your hand to anything, super entertaining and sooooo clever! Thank you for another great RU-vid video
The escalating events in the background were hilarious! Back to the stove: I'm all for replacing the cap with a sterling engine to power up some USB battery packs ;D
@@ThinkingandTinkering u can also use the Stirling principle to make a gas recycling system (Stirling engine on top to re feed unburned gasses back into the combustion chamber) altho u will need an external housing so the gasses do not escape so easily, same principle as a diesel EGR system
Great build Rob! I love these types of videos. And you talk about interference. People in the background, sirens, and cars driving through. I couldn't help myself but to laugh
Robert thank you so much for answering all of my questions. Great video btw. At the time we (my family ) were living on 5 acres in the US. Natural Gas was not available to our area. So we used to have a wood burning stove in the living room area, , The primary heating system for the house was outrageously expensive. It was electric baseboard heating. Therefore we used the wood stove for the entire house. The 2 main drawbacks to a wood burning stove is the incredible amount of work involved especially cleaning out the ash, and the cost of fuel. Not all types of wood are created equal ? i.e. Soft woods like PINE burned up very fast vs. hard woods like OAK which would last all night with a single log.. All that being said there was definitely a reason why our forefathers continued to search for better burning less labor intensive methods of heating their home such as natural gas forced air furnaces! 😀😀😀
Hi re video 1744. Thank you thank you thank you. I was just considering buying an old cook woodstove and was about to let my dream go when we came across your video and You had mentioned the silicate putty now I will be on the road to pick up my new woodstove old antique actually because of your information God bless you man❤
Make a second L shaped output and attach it just below the upper trivit and facing inwards. and you will have two outputs for cooking. Well done rob, it looks stunning as it stands.
It's convenient to cut notches into the cross of metal, so that the end of the pipe slots into the notches. Saves you having to attach a ring of metal to sleeve over the pipe.
Thanks for this video. I have some 6-inch square steel profiles I got from a builder who had them left over after building the nextdoors house. I got them and a lot of wood that I turned into firewood for free in exchange for cleaning up his buildsite and saving his apprentice a whole afternoon of work. If I get my migwelder to work I might make myself a couple of K-stoves. Gonna be nifty to have in the backyard for burning those tree-limb-junk that are to thin to bother burning in the indoors fireplace!
Plumbers use trivets that is sized to perfectly fit their pipes, for cowls. You put the trivet over the end of the pipe, then you place some sort of cap over it which allows air to flow but prevents debris falling into your pipe/flue, and makes it more awkward for birds to get in.
Oh WOW! You have found the holy grail…. A way of building something like this from scratch, for us non welders! I’m very new to the whole rocket stove thing. Can you explain what else would be needed to make this work as a workshop heater? I’m always throwing offcuts of wood away… it would be brilliant to use them as heating! Thankyou 😊
Great video. The hopper design is the dream for heating. Scaled up and with a fuel hopper for logs and a fan driven convector surround could mean lots of heat for less fuel!
Your the dogs danglees 👍🏻.... I love rocket stoves and have had a few but yours just looks rustic and forever lasting... Its going to colour up really nice...
And a Fun time was had by All! I especially liked Luke's delicate hold on his bacon sandwich. And all with no Catsup!.. Keep up the laughs it's the best fuel
Hi Robert, I'm happy that I found your channel! I like your ideas and your step by step explanations. I have a challenge for you. I like how you made the rocket stove out of the plumbing pipe. I also like the rocket stove that is welded together in your previous videos. What I would like to see is how to make an equivalent one with the same internal dimensions, and same venting at the bottom of the stack, but just made out of red brick. This is the cheapest way possible and in a survival situation, or a apocalyptic scenario, something that you can scrounge together. Please experiment and make a video on this...
For the damper on the bottom idea, I was thinking of putting some holes after the fuel so that even if you choke off the fuel, the secondary air will burn off all the smoke which might make the unit close to maximum efficiency...
I love the idea. Great job. Im going to look for video 1743 to watch. In the meantime, you should make a Sesame Street Parody with your buddy as the Big Bird, going through the letters again: J, K, L, V etc.
My one is an old gas bottle 9L and a 304 stainless pipe about 4 in. I filled the gas bottle with normal concrete as I did not want it to tip over. I did buy perlite to make the light concrete but it would be too dangerous for the people around so I went a high lime normal concrete. It works on oil but if I drill a few holes it will do wood. The main air inflow is about 15 deg so unburnt oil will drip out. I will put a stainless steel scourer in. We used to burn it in place before the lorries took it away. Love the vids been watching for years. I used to be a chemo AND YOU ARE DRAGGING ME BACK. wITH OUR THOUGHTS WE CREATE THE wORLD. mIGHT BE FROM mONKEY MAGIC BUT IT IS TRUE ALWAYS AND FOREVER.
@@ThinkingandTinkering What you are doing is invaluable to many millions if they care to watch and learn. Thank you so much for your contribution to humanity, Robert! Christina from Birmingham, Al USA
Check out the revers of this - thermal ovens made with wood and celotex. I made one. Slashes fuel costs by about 90%. Been piloting mine all week and I’m blown away by its cooking performance with its own energies. Your viewers would love it!
That was understandable, even for me. There's such a good feeling to know what is needed for basic cooking and heating, thanks a lot. I'll go for vegan bacon tho.
Yes a 55 gallon drum full of high temp paraffin. But with redundant safety built in of course. Water would work as well as long as it's not sealed to tight and we'll insulated so the heat does not escape to quickly. Water is one of the best at conducting heat but also at releasing heat so we'll insulated is a must so the heat is released slowly.
Hey @Robert Murray-Smith , really enjoying the content recently. Thanks for demystifying the rocket stove / mass stove and some of the basic concepts. Tell me, is there any benefit to a rocket stove over a well made cast iron log burner ? As you said in the video, the efficiency is gained from capturing the wood gasses and burning them rather than being lost to the wind so what's the difference?
The DEFRA smokeless rated log burners are very similar as they recirculate the exhaust back through the front of the fire before exiting. The difference is the thermal mass of the stove and insulation and length of chimney before exiting the room (through wall or up traditional chimney) but will require more fuel as the burn chamber is so much larger
Presumably the size of the burn chamber just constrains how much material can be combusted at any one time and therefore the power output? If the heater is matched to the size of the room then surely a larger burn chamber is going to be desirable in order to produce enough heat to overcome the thermal losses and bring the room up to temp in a sensible time frame. I would have thought that heating a larger space with a stove as small as the one in this video would take rather a long time comparatively and would have to be refuelled several times over before a desirable temperature was reached.
I love the simplicity of this stove heater. Question? What about the size variable for any indoor heater type stove. What are the parameters of such a stove & performance values?
I did spend some time looking for fittings last night but didn't come up with much in the way of second hand but I will keep my eyes peeled so I can make one on the cheap.
0:53 I have one for my rocket stove. I put the pot on the top. From your last vid. When the colour dies you can cut off the tube. It is from speedway cars. If the paint does not burn you don't need it.
I checked out these fittings and it becomes a quite expensive heater to make. I suggest doing the sums on pricing someone to weld one up for you (if you can't do it yourself), versus the cost of the plumbing bits.
Curious: I'm making some assumptions that the looming energy issue is driving interest in small utility heaters/cookers. I'm also assuming that urban citizens would have a greater interest in such a unit... While several fuel types have been discussed, will Rocket Stove wood-fuel be readily available to the vast majority of UK citizens in urban areas?
I believe these rocket stoves use very little wood when compared to your regular wood burner and I have seen figures as low as 10% in comparison when the Rocket Stove is paired with some form of Thermal Mass, Heat Retention and Release such as a Masonry heater or sand battery which is then used to heat an area over a long period of time sometimes for days, Look up Masonry Heaters as these have been used for hundreds of years throughout Russia and Scandinavia etc.
Rocket stoves are my definition of Free Energy. The difference between a campfire and a rocket stove is free, after a small design change, materials and effort. It's a clever upgrade from previously used norms. I could imagine even coal burning clean with more heat.
Crazy idea for next video: "Can you put a "5 m long piece of wood" into your rocket stove as something like an automatic feeding? Would be great if this could burn all night/day long for heating.
A cheap recommendation, if it's possible, try and source some old water pipes. If there are any industrial or large commercial buildings being worked on, you may be able to get all the needed fittings for free. A local hospital shut down a few decades ago, and got sold recently. For the past 5 years, maybe more, it has been under development as it's being turned into residence. They are still removing old iron pipes that they need to dispose of, they would be happy for me to come and take some away for free. Just make sure it was only used for water. Ya don't want diesel fumes all over your food :p
Great explanation ! Though , it is a curious thing , that you haven't mention a really accessible material for building one of this things - bricks . It can be made out of ordinary bricks , or building blocks , or (if someone wants to be more "fancy") , out of elements for chimney - even out of appropriate size of patio concrete plates. I don't know the prices , but I imagine that those aren't very expensive and one doesn't need many tools . It can be , also , made as combination of materials (scrap piece of metal pipe for riser , inserted into blocks/bricks ) .
After building smaller, steel can versions, I found that the measurements aren't too critical. The proportions(chimney pipe length to burn chamber) are more desirable, and you will get a good idea for the right sizes and lengths as you build a few. I still prefer a basic wood gassifier stove- just don't touch it until you cool it with WATER!
Hi Rob...sorry if I missed this in the many rocket stove vids....but how long is the burn with what looks like a handful of kindling? I'm used to heating with three 15 inch by about 6" dia. logs in an overnight burn. Kind of set it and forget it. Do I have to reload these rocket stoves "hourly" ????
I did talk about that at the end of the video mate - using this as a cooking stove it does what it does tbh - to adapt it for inside you need a more controlled burn which is done with air flow control - cheers
Because you mentioned the price of the plumbing parts here, I copied my comments I put on your first film, as it would make a difference.... Right up my street. 10/10 from me I did notice how you correctly used un-galvanised (NOT galvanised = poisonous) pipe fittings. If you know a plumber, show him this brilliant video. If he smiles, give him a clear order list, he could buy them (with all the rest of his stuff) as he gets 25-40% off the price because he is in the trade.... You rembourse him... You could go further and make a deal..... He orders twice the number of parts, and you put one together for him as a thanks...
You could extend the horizontal pipe and cover it with cob(A mixture of clay sand aggregate and Straw) this would create thermal mass which would absorb some of the heat from the cast-iron pipe it within radiator heat out slowly over time it could be used indoors or outdoors and even extend it to make a seat or used to warm a greenhouse in the winter
Thanks for the update. How about a stove made from the heaviest gauge HVAC venting pipe (c-vent pipe) which also comes in the same shapes and sizes, and larger size diameters , as the black plumbing pipe you used in this video. There are thick gauged single walled pipes and fittings such as 22 gauge, 20 gauge, 18 gauge, 16 gauge, etc. Maybe using stove pipe and fittings. Thank you for giving us fantastic ideas and examples of what we all can do.
3:30 my Chimea I bought for $80 in 2008 and it is still out in the rain. You have to know how to do the fuel to make a good roast but it is always there and still going today. It is a bit fragile but it will still cook food. I cooked a lot of food and burnt a lot of rubbish. Yeah burn rubbish don't die in the cold. It is not wrong if you live.
Thank you for posting such great videos and sharing your extensive knowledge and expertise. How would it be if you were to use a metal plate in place of the cap, to heat a small saucepan or at least keep it warm, whilst simultaneously using the other pan on the chimney (with the trivet) as shown in your video. Thus getting the maximum benefit from the fuel, and of course permitting the second cup of tea with with the bacon butty. Thanks again.
Great video. I was set back for a second though when I seen oil being poured into the pan to cook bacon, but then I remembered American bacon is different from what you call bacon. When I seen it I thought, no it makes it's own grease silly, what are you doing! 😅
It really is a pretty thing you've made, i am wondering if a BSP threaded stainless strainer would be pellet burner addition/lifter for the fuel burner, have to go have a play in the plumbing department!
What about capturing the exhaust (post frying pan of course) and distilling biodiesel? If it's such an effective burner I assume lots of organic gases coming off to grab.
Ahhh, do what now? I turned on closed captioning and watched a second time. Excellent video 👍 And y’all keep practicing your English, it’ll get easier.
What a great video as always, I was wondering if you could get a small rocket mass heater in the unit where you work I was shocked to hear that one piece of wood from a pallet can last you an hour maybe instead of using clay and for the mass you could use 55 gallon drums of water and salt say about 5 of them with a small fan blowing the hot air over the drums at your work bench. Keep up the good work ..cheers
Great video and like the idea that @Gary hand added. One thought after watching the Liberator rocket stove which had a ceramic lining in the chimney, would there be any benefit if the silion that was used for the joins was used to create a ceramic lining in the chimney?
Mercy I'm having fun since I've found your channel !!👋💖😉 ==>Ok, so you've built a fun One burner stove, still hopelessly useless as it is for practical applications... What I need from my rocket stove is 2burners or 1burner and a griddle, ability to heat quantities of water (Admittedly this is a Wish Lust item), an Oven (old bread style is good), and of course heating . True it may take 2 builds ==>cook stove=> then bread oven/water heating system= for this. Likely even 3 builds for a Mass Heater. I admit my Lust list is long and somewhat complicate, but 'Times they are a changing' . And you see I'm not willing to surrender heaps of my first world quality of life I'm quite willing to "roll back" some bits but the ability to cook properly is not one of those bits.
Sir pls can you do a video of a homemade solid oxide fuel cell for natural gas I tried making one but all the materials for the anode and cathode even the electrolyte seems to be complex to make or get
Hi Rob - loving these heat vids 👍 - question for you, lots of comments relating to pellets/hoppers etc in regard to longer burn times. I'm not interested in pellets/hoppers though but it got me thinking about refuelling times......if you could make the feed pipe twice as long it would mean you could put in much longer kindling, that would increase the burn time. Any reason why this would not work? I'm assuming that the open ended horizontal pipe is purely for air intake and so the longer kindling would not make any difference to that amount of air and also would not affect the height of the section of kindling being burnt? Any thoughts? Ta bud 👍
