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Matt Walker continental stove build

 
Rocket Scientist
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going over my statement that the stove does nt make hot water---well it does make very warm water ---but not very hot water ---which is what i am hoping to achieve ---its about 45 c ---and enough to wash hands through out the day ---- 2 sinks of washing dishes at night-----but not enough for a shower i dont think ---also its not the mass of the stove that makes hot water its the hot flue gas flowing over the water jacket----i start the first fire about 2 or 3 pm these days as our winter comes in , we are anything from 5 to 11 c outside lately , and very windy very very damp---and up to 3 fires done by 12pm ---we are a late house-----every evening meal gets cooked ---soup stock made ---rice cooking ---drying off the washed up dishware ---cheese/onion pasties baked---keeps the mug of coffee warm ----its multi purposed---which is why i have to wait till next summer until further work on the hot water heating coil----done some further reading up and getting closer to working out the sizing of this to the stoves output.
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Posts: 131
Location: La Bretagne
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homeschooling solar rocket stoves
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Your or your wife's pasties look so good. Especially appealing with the weather here, probably very similar to yours (9°, wind and rain. ) I'm saying that as I go through the daily routine of :  what are we eating tomorrow?

The one time I attempted pasties, I thought it way too difficult. Do you (or your partner) have any advice on that?
 
tony uljee
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i watched several you tube how to make pasties , by the time i had decided which to follow and got motivated ----my wife had made them up already ---i just opened and closed the oven door  .
 
tony uljee
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4 pots of water on the ceramic glass boiling away ---steaming xmass puddings--yes the seasons prep has started up  ---then 2 loaves of soda bread  so as not to waste oven heat---and my welding rods warming up ---blue box on the left--
so by now it should be boringly obvious these stoves  can be used everyday ---but it can mean changing some old habits built up from years of running an old wood burn steel stove ---i will now explain  my odd back wall set up ---for someone who asked me ---and will be reading all of this later on ---i had started out planning to use my old steel wood burner ----and it would have lined up directly under neath the flue exit hole in the wall---the black sheeting wall was to be a heat shield  --was put up ---2 inchs off the floor ---and spaced 2 inches away  with copper tube spacers from the back wall---which is made up hempcrete---but by changing the stove to be a Matt Walker type----dimensions changed----and new flue path made to suit ----i could nt cut out a new exit hole as either side are large timber frameworks support poles to close spaced---and i had also already built in a wall heat protection  thimble for the flue pipe. the brick wall built around the new stove was a bit of overkill as a further heat shield---(its also spaced up off the floor pad by 3 inches---for airflow ) ---partly done as i did nt like the black sheeting ---but had to live with it now --and i planned the two concrete worktops to be incorporated into the side walls .
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tony uljee
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this is to answer a query ---a friend asked how i had sealed off the oven to the existing metal frame built into the stove---and i realized that i had not explained  in any of my posts----when i had finished the build there was just a steel plate bolted up to the metal angle-iron frame work ---i used a piece of ceramic fiber board as a gasket--cut to that steel plate size and sandwiched in-between----14 holes were drilled through the plate and framework----  which i had welded  nuts onto the back of it---this was  to become a problem later on---because i had to leave that bolted up for too-- long the bolts rusted up from the stoves hot corrosive gases----taking the plate off to bolt on the  new oven framework----6 bolts sheared off ----i had to drill them out--- the 14 holes ---was just to space out the clamping pressure of the first steel plate ---i did nt want to crush down the cfb too much.  
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tony uljee
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the next steps i have misplaced the pics of ----i used a stove door fiberglass rope at 10mm diameter ---and i "snaked" it around the bolt heads ---with a dabs of the glue stuff that comes with these door seal kits --- just on the corners ---and just over lapped the last of the rope above the tops of the bolts ---on the bottom  row---just to finish it without having to cut anything---- the ovens frame of flat steel strip--- has 4 holes ---on the corners -----then using 4 long that bolts come in from behind the inner steel works frame---these are then  held in position by some 6mm high nuts ---so when the  oven framework is put into place----and those  4 long type nuts are  then clamping  the two surfaces together ---the gasket rope  is trapped under neath and cant be over crushed and squeezed out ---as the bolt heads prevent this from happening-----and those bolt threads  ---are now outside of the ovens corrosive effects-------if  you have managed to follow this up till here ----well done ----you can now stagger over to your booze cabinet ---or have a strong cuppa at the kettle ---
 
pollinator
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...stagger over to the booze cabinet....
Oddly, my lazy eye slipped quickly to your last admonition, and I did comply tony
 
tony uljee
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some pics to answer a friends questions, here is the type of  long nuts i used to bolt up the oven box frame onto the angle iron framework fixed into the stoves brickwork---these are used in the ducting and electric cable laying industry a lot ---could have used small /lower profile types ---using these just meant a cleaner look as i would not have to try and get the bolts to all the same length or have to cut them flush to the nut head-----a bit ott---then the brick work around the stove and the concrete worktop next to the stove ---and onto how much timber i burn ---one bucket for the kindling and scrap paper ---then three buckets of timber and some turf ---which i would currently burn per night---starting at 3pm ----not an absolute hard set and followed rule---if its colder that day i start earlier  and burn another two buckets ---not as much total fuel per day as used with my steel built old wood burner---about half to two thirds as much -----this is not a rocket mass heater ----so no 90 % savings -----its a wood burning stove  ----i do make some savings ---but it does give me more heat per load ----i get to cook and bake ---heats longer due to some heat retention by its mass---and it burns cleaner and safer ---plus it can burn any type of timber with out a problem . Around my area people are being slowly forced to not burn solid fuels by regulation and prices ---many have to as we have older type houses in our rural parts----and coal is used as turf use decreases ----hardwoods are costly to buy in and the bulk of timber at lower pricing is our fast grown sitka spruce---not the best choice for the cast iron stoves that most rely on-----my type of stove loves sitka
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tony uljee
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those buckets are part of a set of 12 that i made for my build project ---a bit battered and lime d up ---some survived being run over by my tele-handler ---some being dropped full of mix from 3 floors up ---and still handy for many other projects-----been told to make new clean ones ---but not yet-----i did 480 batch mixes of hempcrete with those--- at 10 full buckets per batch---carried 2 at a time and poured into the formers------ no not all by myself ----only about half of it---when i started my project i bought a dozen of those two handled flexible tubs ---after day 3 most were handle-- less----and now a few only survive as garden grow tubs---
 
tony uljee
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the cabin that we now live in --is a rehash and remake of an older existing structure and rebuilt ,modified and added onto so that it became livable , the whole build is insulated with hempcrete including the floor ---the structure is raised off the ground by 24 inches one end and 48 inches the other---a concrete pad under this to carry the support columns---20 inches of a hempcrete layer in the floor ---and average wall and roof layer width of 14 inch----all internal walls are double layer of 16mm palletwood type timber---as are ceilings --with a 5 inch layer of hempcrete  (planks are sanded down a bit to knock off the rough saw cut from the mill)---all floors are 65mm thick scaffold planks---reclaimed ---the build is in 3 levels ---and now sized to suit the scaffold planks ---so it is now 24 planks wide (228mm /9 inch plank) and 8 scaffold planks in length-----for all intents and purposes ----2 average mobile homes wide and 3 high--- heated by the Matt Walker Continental Stove in a wet damp windy west coast of ireland----using what ever timber i can get that is dry ---mostly sitka spruce ---fast grown ---soft and fair amount of resin---some dead ash ---from our trees that are suffering from ash die back----we are going to lose over 95 % of our native ash ---some birch now and then ---and what we call sycamore ---which is actually a european maple and another introduced tree ---the monterey cypress--- ---all of this is local or home sourced and shed dried in no real organised way at all ----the stove burns this all clean and hot ----only a small amount of smoke on start up ---and puffs of steam -----so from outside the cabin you can not see a stream of smoke heading off in the wind
 
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