2016 Living with the Rocket Mass Heater Part 4, Batch Box Cook Stove
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- Опубликовано: 28 авг 2024
- March 13, 2016 update video on my Rocket Mass Heater for my home. In this year's follow up I talk about my Peter van den Berg style Batch Box rocket experience, using my Walker Secondary Air. I also show you my wood cart and my new cook stove using my Walker Riserless Core. Sorry for the long delay.
Easy to follow Rocket Stove and Cook Stove plans available here:
walkerstoves.com/
My Clay/Sand Mortar Mix Recipe: 3 parts dry sharp sand by volume, 1 part dry ground fire clay by volume. Add water to desired consistency.
Fire clay: amzn.to/2ykT2B0
Sharp sand: amzn.to/2LJKqa9
Commonly used parts: amzn.to/2XlBvko
Thanks for watching!
You don't post often but it's worth the wait. Love the idea of smokeless heating with wood.
+Vention1MGTOW And you always have a kind comment for me. I can't tell you how much I appreciate it, thank you.
I've watched and re-watched your older videos several times. Thanks for continuing putting out your updates. They're inspiring!
+Lucas Gentry Thanks so much Lucas, I really appreciate the feedback.
When I saw you posted a video it made my night! When I saw you were showing off your new cook stove and there will be videos coming with more details on that build - you made my month!
+Marc That is so nice to hear Marc, thank you!
Great video. Loved watching your progress over the years. Thanks to you I now have my rocket heater without the mass. (I really don't have the room for that). But this thing really cranks. I love it. Thanks again for your inspiration. I think there are a lot of people out there who you will never know, who have benefited from your videos. Thanks again.
What a kind and thoughtful comment. Thank you so much for taking the
time to let me know, you have no idea how much that means to me. Thank
you!
Sweet Heat! Wish they'd allow them in our houses here. Want to build a Walker outside for our outdoor kitchen. Thanks for sharing.
Thank you!
Thanks for the fix. Been waiting a while for a new video and watched as soon as i saw it. Awesome stuff!
+Bobby Hurst You got it Bobby, I'll hopefully get some more up soon. Thanks so much for the kind words!
wish you would post more, it's nice to see how you live out there
What a kind comment, thank you! I.....I want to. I will try.
+broaudio well, I look forward to it :)
thanks for sharing. that's a lot more wood for one day than i would have imagined....I thought rocket stoves would use a lot less than that....
Love your wood box
Amazing stove! I like this video!
Now that you've changed from the 'J' style, are you seeing a change in the temperature of the exhaust fuel?
How about creosoting in the sides or the barrel?
Thanks for doing changes and experimenting. If I did one it would have to go in the basement and allow the heat to radiate up into the first floor.
Wanna get a lil more off grid? Wrap plumbing pipe around the hot barrel on the rm heater and use it for hot water for your showers! :)
I love the cook stove!!
Love natural COMFY'S..
Matt Walker, your awesomeness is overwhelming! I casted a core from your video and just want to say thank you so much for sharing your knowledge and innovations! Do you have a Facebook account? I think that would be easier for you to keep up posting a thing here or there. You mentioned you have a lot going on outside as well - I want to see that!
+Sustainable Reason Well thank you so much! I don't have a FB, never did get around to making one and now it's terrifying! I have some outdoor stuff to share soon! Thank you so much for your kind words, they mean so much to me!
Dude you're a bad ass just make up an account to test the waters. I want you to see the cool stuff I got going on. Plus there are a ton of people doing things that I'm sure will give you some new ideas too. when you get there, Friend Jimbo Shepherd
so it's the j-tube core with the verticle front upcurve taken off and the secondary air added under? thanx
hi,how many cords are u using now? aside of cooking,which adds lots of heat, it's still 5 cords or less? great stoves,I admire your work,keep going.
I'm no longer living in that house, so my use has changed. The stoves are still there and working great, but don't get quite as much use so use less wood these days. Thanks for the comment.
Your stoves and videos are really inspiring, many thanks for all the effort and time you take to make this info available! I'm wanting to build a hybrid type rocket mass heater/cook stove.. I really like the idea of masonry construction.. Would it be possible to construct the riser and the bell out of brick, along with the flues inside a bench? I thought about putting a cast iron manhole cover on the top of the bell, for a cook plate and ispection access..
Thanks for the kinds words! You can build it all from brick, but the riser must be highly insulated, ideally inside to out. Best would be to build it from insulated fire brick or "kiln brick." Could be red brick with a ceramic fiber liner. Should not be brick on the inside, too much mass in the combustion area will make it perform poorly and burn dirty for much of the time. Hope that helps, I like the manhole idea! Good luck!
Hey you're welcome :) Thanks for the very fast reply too!
Ok.. re the combustion area.. is that why folks use the metal barrels then, ie they heat up fast and because of that the 'engin' kind of cranks quicker?
I was thinkng of using 3cm thick fire brick for the 'internal parts where burning and combustion take place, and yes red brick skin.. I watched a cool video on here where a guy uses hollow cinder blocks for the flues in his bench which worked really good!
Yes the manhole could be really neat, here you can find square ones from about 30cm to 80cm.. was thinking of putting fire rope around the inside of the hole for a seal.
One other question please.. How do you suggest I design/build the stove?
I mean should I sketch it, dry build it out side and tweak it from there?
Cheers!
Edit: what music do you make man?
So, the metal barrel is a way to get quick heat into the space, so you get some heat during the burn cycle, then the mass takes over and provides heat for an extended period after the burn is done. With a brick bell instead of a barrel, you will not have quick heat into the space but rather a longer gentler heating cycle. Neither is better, just different performance for different goals.
The riser itself must be made of low density, insulated material. I think the fire brick splits alone are an inferior way to build a riser as they are high mass and rob heat from combustion while extending the dirty period of the burn. You can build an outer riser with brick(or FB splits) and line it with ceramic fiber board, or ceramic wool(superwool) to make a low mass/high performance riser. Another method is a stove pipe lined with superwool.
donkey32.proboards.com/post/24992/thread
Insulated fire brick are another method, they are much lighter than the normal fire brick and fire brick splits. It's also known as kiln brick. If none of those are an option my old clay/perlite riser video is still a good way to go for a low cost DIY option.
The cinder block build is cool, be aware that it limits firebox size to the same cross sectional area(CSA) as the cinder block passages, so it's a small stove.
Yep, mock it up loosely outside and play with it. You'll answer all of your own questions and come up with a far superior plan for your first inside build if you give yourself a few days of messing around with ideas before putting it inside.
Post it up when you build it, I love to see new builds! Good luck!
Hi.. Many thanks for such a detailed reply.. It has really helped clear a few things up for me!
I will post it up and give you a heads up when done.
Cheers!
Hey the music?? lol :)
very cool
can i ask you where the air come sin to feed the fire? i have always wonderwed why the fire sucks the oxegen out of the room from across the room through the door to create a breeze and why fires do not have a little pipe to suck air in from outside rather than suffocate me. i literally light the fire ten minute slater im nearnly halluicnating from lack of oxegen then i open the window then im freezing. all my fire does is suck ..and create a little breeze. im sure it is almost colder when i light the fire. so i am hoping that these things have got an oxegen source other than that gap in the door at my back ...:)
Masz zaradność i kreatywność jak polak 😀👍coś niesamowitego
do u have a video on how u made your bench mass part, thanks
I'm starting a project with your core. It's not a cooker, but a bell and bench. Wish me luck!
Right on Jeremiah, good luck man!
+broaudio your pics were good. I counted about 50 bricks in the core. I'll get 60 in case a cut or two goes sour. Also, your mortar is about 1/4 inch?
I don't recall the exact brick count, but I feel like the core IFB was around 80? The body was around 200. The mortar in the core I tried to use a minimum necessary to seat them together. Just Clay/Sand/sifted wood ash at around 1:3:a little. For the brick body I was dealing with an extremely unlevel starting point, so, it's a mess. 1/4" sounds great.
+broaudio I'll get 90. :D
We found a source for 50 cent hard brick. 400 on the way. I'll have to load and unload, of course. As this will be primarily a heater in a large house (the intention is one side and a crash pad) I'm thinking a larger fire box. Exhaust in the chimney is triple stainless at 10". I have to tie into that. Any recommendations on going larger? We'll have a 1/2 inch steel top on the box for fast heat, the rest will be brick and cob. 2 yards of cob. Firebox to bell to bench.
I'm in love with your cook stove.. What kind of mortar did you use, and how did you procure all the metal components? Even though the burn is very clean, don't you still end up with sooty bread pans, etc, and how does that affect the flavor?
+Andrew Lund Hi Andrew, thanks for the kind words. Mortar is just fireclay:sand 3:1. Yes, pans get dirty, but not as bad as you would expect. Flavor is clear for most typical baking tasks, and you can carefully use dry fuel of good species to influence the end result. If it's a long cook, like 4 hours or more, it will do a nice job of smoking meats, and if you don't want that a covered roaster is a good solution. It could easily be a white oven as well with a metal box insert.
Thanks for the comment, stay warm!
Awesome--thanks for the info!
Can you spruce up the colour a little better?
corius how well your bench would work if the back was off the outsidewall so the could flow around it
The extension is spaced about 6" off the wall, with air flow under and behind. Works well, and does radiate a lot of heat. Thanks for the comment.
Just learned @ these. Thanks for videos. If u put that in a basement of a 24x24 house/cottage say @ 800 sq. Ft. Would it heat the whole house in your opinion? Thanks.
+TMT1473 You'll have to build it and find out man, sorry. I have no idea. A house where? What kind? How do you like your daytime temps? What is your fuel? Not picking on you man, just, I have no idea. I say build one, and if you need another one you will be a better builder by that time!
+broaudio Good point there, you just become better at it, the more you built. I learned a lot from my first rocket stove, will definitely make changes to the design. Thanks for the great vids man, keep them coming. Watching from South Africa
Could you use straw bale in the seats for thermal mass
Straw bale is insulative rather than mass, so I do not think it's a good choice here. Hope that helps.
how many dogs do you have...there was a poodle mix in the last 2y ago vid...who is that fur baby???
3 Dogs. Pearl the Pyr, Roo the Northwest Farm Terrier(looks like a poodle mix), and Waylon the Chihuahua.
I finally got to test my batch box rocket heater out and it seems to draw really good when I have the glass door on but when I remove it I get some smoke that comes out..can somebody tell me why..I think it might have to do with the chineny not being night enough am I right...
Over fueled. The door is important to meter how fast the wood gasses off and send gas (fuel) to the port where the secondary air mixes with it and burns. If you open the door, you light off a lot of wood gas and it is more than the secondary air can combine with to burn. That's if the smoke is darker than the whiter steam that is normal at times.
I didn't have any dark smoke only white smoke but a lot of times I had just heat coming out of the chimney
Oh. If you mean smoke coming out the door when you open, that's normal. Don't open it until it's burned down to a small coal bed. At least, that's how Peter designed it.
Looking great ! What do you use as an riser tube ?
Hey, thank you! The riser in the big heater is perlite/clay in a grease drum. It's holding up well. You can see my method here: ruclips.net/video/AqvTdbRSlwk/видео.html
Thanks for your reply. Good news it's holding well ! Saw many design where the riser tube is failing.
Do you have a blueprint for your rocket mass heater/stove?
+Tylor Pries Hi Tylor, I don't, but Ianto Evans'; book "super efficient wood stoves...." has everything you need to build one like it. Good luck, thanks for the comment!
+broaudio thanks, I will look at it.
To ..........😀🙉👍
I think they are in theory great but as of yet they are soooooooooooo ugly...is there no way to make these things more aesthetically pleasing?
Is this better?
ruclips.net/video/tBnIxtTZryY/видео.html
lovely yes!!!