I just bought your book with the plans and all of your air-crete recipes too. I've waited years to get this am excited to start building the stove! You folks have worked so hard and have overcome so much to get to this point. I hope many more people will support you because you have something that can actually change the world! God Bless, Bruce
Great video Darwin! Great to see your progress this year. Sadly your videos have not been suggested in my feed for 5 or 6 months despite being a subscriber. Cheers and a belated Happy New Year
Imagine just the amount of steam going into that fire the water flashes to steam and expands 270 times so you essentially have a 2500° you have a steam cleaner built in to your fire. I have to go now and research your channel to find how you built this stove. I’m new to the rocket stove world.❤️🔥🙏🏼🇺🇸
Yall, don't forget your Navy mate down here in Alabama has been waiting 3yrs or so....since you left the wonderful shop in Grandpa back yard for that University! Got all my camping gear ready and a bucket of White Sand from The Gulf of Mexico!!! 🙏❤🇺🇸👣🎬👣⛵👍👍
Happy days!!! Got me thinking about all that cosy heat and energy. How about some copper tubing inside that chimney linked up to a gravity fed watertank? Hot showers when needed? How about a nice pot of slowly simmering hearty soup or stew on the flat surface above the burn chamber? A "PERMANENT" big pot of coffee??? Also note that the cat does not seem to mind the stove....at all!! Wonder why?? 😊😁
There’s a lack of understanding in how the burn process works. Wood doesn’t have “magical” energy that gets sapped by the sun if left to dry. Green wood has about 30% moisture - moist wood doesn’t burn. For it to burn, energy must be added to remove the moisture. It can be solar energy that dries the wood over time or it can be the residual heat in the stove that evaporates the moisture so the wood can burn. When you add wood with a higher moisture content, the energy that’s used to dry the wood is not available to generate heat so you’re getting a less efficient burn. Physics rules, not mine.
TRUE--the water must vaporize out using energy and with a normal stove, it would leave the chimney as dark creosote laden smoke. A normal stove must keep the temp down to preserve itself because high heat would oxidize and destroy the very metal it is made of. A rocket stove has insulation that can tolerate 2,500 degrees so the vapor is completely burned and the energy used to boil the sap is recovered as all the vapor laden smoke is burned before leaving the combustion zone.
@@martyvanord984 The latent heat in the water vapor is going out the chimney, it is never recovered unless you can condense it somewhere into the house. So NO, it is not efficient to burn wet wood!
Tremendous work Mr and Mrs! We are thinking of purchasing your plans however it is for a bus and hubby wonders if we could make it smaller by shortening the burn chamber? We noticed in some vids a lot of action near the back and some empty space at the front. Also would you be able to heat a bus without a mass bench? Thanks for your time 👍
Don't you find that having to lift the glass door with a stick every time you refuel the firebox, as opposed to a sideways hinging door, adds an extra issue to contend with, when refueling ? But the clean burn is so impressive; it looks like burning alcohol ! - It must be a state-of-the art system, in wood-burner design !
You know what Paul, That's a good Idea, I am making a set of stoves beginning next week to show patreon viewers the different variations . I will implement that Idea on a new build. Thanks HDC
Hey, we understand. Putting out that much can be hard, but I appreciate your support, and there are many ways you can, by sharing liking and commenting and our patreon, which has several tiers of witch you can support one of which I will be going over the book "live" patreon.com/HoneyDoCarpenter?Link&
Surely the existing fire has to use energy to boil off the 30% moisture in the wet wood. Yes it burns it but is the stove output lover than using seasoned wood?
Very impressive that you're able to burn freshly cut wood. Two things I'm curious about is the refractory material for the rocket heater, and how do you clean out the ashes?
Typically you just clean ash out quick before you light the fire each time. Since it burns so efficiently, the ash build up isn't bad and there is no need for a tray below like normal stoves
Darwin, I appreciate your creativity and ingenuity. Your perseverance and hard work in the face of adversity is something I admire. What you have developed has the potential to help so many people! I wish to challenge your explanation of how there is more available energy in wet/green wood vs dry/cured. I am currently studying the biology portion of ISA’s study guide, I believe you are misinformed. If I understand correctly, the available energy is exactly the same in both green and seasoned wood - however green/unseasoned wood contains ALOT of water which must be boiled off first before the wood can burn. (Boiling water off requires thermal energy, which reduces useful heat) The majority of the gasses you see from burning green wood is simply non-combustible water. On this premise, I would also challenge your statement that ‘curing/seasoning wood reduces its available energy’ to be false as well. ( 11:25 ) According to tree biology, there are no organic compounds are off-gassed during the curing/seasoning process because they aren’t present in the wood at ambient temperatures. The major components are cellulose and lignin, which decompose to combustible gasses only when heated to the point of ignition, which doesn’t happen in the curing process.
The components of water (steam) are most certainly combustible and can yield available energy as disassociated high temp plasma gasses of Hydrogen and Oxygen. Due to the extremely high temperatures involved - the WATER in the wood is itself becoming A SOURCE OF FUEL..
@@DeeDee-fi4kq the temperatures required to separate water into hydrogen and oxygen plasma would destroy the heat riser, which would either 1) oxidize away into various less complex forms of silicates and carbonates, or 2) become molten and unable to maintain its shape. The massive energy requirements to separate water into its component gasses would negate any energy gains through thermal combustion of water (which is currently a myth). The energy consumed through phase change from vapor to plasma (if the heat riser is not destroyed yet) would consume more energy than is available in wood alone. The process you describe is only found in tokamaks, where scientists study nuclear fusion. This process still requires more power than what is harvested. If Darwin was in fact able to burn water, he would be able to solve the world’s energy crisis!
He has said in a previous video. The water separates into hydrogen and oxygen around seven hundred degrees. Thus you are able to burn the hydrogen. He said it produces a green flame.
@@jamesthomas3198 I'll ask my son who's a chemistry PhD if this is likely to be the case. Personally I think a higher temperature would be needed. From memory electrolysis is used to separate water into hydrogen and oxygen.
@@jamesthomas3198 No it doesn't, Hydrogen burns with a very pale blue flame and you've nowhere near high enough temperatures for the water present in the wood to disassociate into Hydrogen and Oxygen as that would need 11000-12000°K temperatures at normal atmospheric pressures! And even if did manage to get the temperatures high enough you would loose so much energy in radiation that the whole process would be endothermic!
I am making a set of stoves beginning next week to show patreon viewers the different variations. I may put a couple up for sale but they will be far and few between. You can purchase the plans to DIY your own right now. I did ship one to South Carolina. two years ago and it cost $580 to ship. Stay in touch. HDC
Green wood burning Rocket Stove/+Pottery Kiln/+Forge/+Whole house air chimney ventilator/+Cookstove & oven/+Hot Water Heater/+Thermocouple electricity generator.
For thr record, liquids and solids do not burn. No exceptions. Ya, I know gasoline and magnesium each "appear" to combust, but the true combustion elements are gasses.
Steam yes but Hydrogen no! The temperatures are simply not high enough to cause the water to disassociate into Hydrogen and Oxygen as you need temperatures of around 11000°K which simply doesn't happen in a stove however efficient it may seem to be. Water doesn't burn and even if you manage to create a 11000-12000°K hot plasma from the water you would have added so much energy from elsewhere that the energy you get back from the plasma 'burning' will not match it and the whole process will be endothermic!
So many questions! Aircrete is not considered fire brick. What is the temperature range of aircrete? What is its’ life expectancy? Can it be used with rebar? Is there a source for technical data on concrete / aircrete side by side? How do building codes view aircrete? (Not all of us can live in the wild frontier. Remember: behind most every code is a dead body or some severe financial loss!). R.S.V.P. anyone with good information. Thank you.
Hello, and thank you for all of the questions some of these questions will be answered in the near future, but if you are looking for some more detailed information you can go to etsy and get a 30 minute consultation with me for all your questions
No simple answer.What a royal pain in the but. I wonder why there is no answer or follow up. I guess your just supposed to hang in suspended animation until 2050.
I just bought your book with the plans and all of your air-crete recipes too. I've waited years to get this am excited to start building the stove! You folks have worked so hard and have overcome so much to get to this point. I hope many more people will support you because you have something that can actually change the world! God Bless, Bruce
My Dad used to send me your videos all the time, the 12th was the 4 year anniversary of his passing. Hope you all are well.
Rocket stoves are so incredible! Wet wood burning??? What?!?!? 😊. Excellent!!!
Great video Darwin! Great to see your progress this year. Sadly your videos have not been suggested in my feed for 5 or 6 months despite being a subscriber. Cheers and a belated Happy New Year
Amazing scenery in the background outdoor shot!! Great stove too
That's pretty good improvement over the traditional rocket stove, great job!
Great video, thanks. Rocket stoves are very forgiving of wet wood, which makes things much easier!
Simply awesome!!!
Imagine just the amount of steam going into that fire the water flashes to steam and expands 270 times so you essentially have a 2500° you have a steam cleaner built in to your fire. I have to go now and research your channel to find how you built this stove. I’m new to the rocket stove world.❤️🔥🙏🏼🇺🇸
I've been watching you off and on for several years and it's been about a year since I checked in and I'm so amazed with your progress
Thank you, we appreciate it
WOW, Amazing, Darwin.
Yall, don't forget your Navy mate down here in Alabama has been waiting 3yrs or so....since you left the wonderful shop in Grandpa back yard for that University! Got all my camping gear ready and a bucket of White Sand from The Gulf of Mexico!!! 🙏❤🇺🇸👣🎬👣⛵👍👍
Right on family.
I'm amazed very time see the burn! Thanks for the video. 👈😁✌️💕
Thank you so much William, we love you...
Happy days!!! Got me thinking about all that cosy heat and energy. How about some copper tubing inside that chimney linked up to a gravity fed watertank? Hot showers when needed? How about a nice pot of slowly simmering hearty soup or stew on the flat surface above the burn chamber? A "PERMANENT" big pot of coffee??? Also note that the cat does not seem to mind the stove....at all!! Wonder why?? 😊😁
There’s a lack of understanding in how the burn process works. Wood doesn’t have “magical” energy that gets sapped by the sun if left to dry. Green wood has about 30% moisture - moist wood doesn’t burn. For it to burn, energy must be added to remove the moisture. It can be solar energy that dries the wood over time or it can be the residual heat in the stove that evaporates the moisture so the wood can burn. When you add wood with a higher moisture content, the energy that’s used to dry the wood is not available to generate heat so you’re getting a less efficient burn. Physics rules, not mine.
TRUE--the water must vaporize out using energy and with a normal stove, it would leave the chimney as dark creosote laden smoke. A normal stove must keep the temp down to preserve itself because high heat would oxidize and destroy the very metal it is made of. A rocket stove has insulation that can tolerate 2,500 degrees so the vapor is completely burned and the energy used to boil the sap is recovered as all the vapor laden smoke is burned before leaving the combustion zone.
@@martyvanord984 The latent heat in the water vapor is going out the chimney, it is never recovered unless you can condense it somewhere into the house. So NO, it is not efficient to burn wet wood!
Is there a video of making that insulation in rocket?
How long is lasting :) ?
Looks good.
This is a deep batch rocket?. burns well, I want build one and use the output chimney as a water heater with a copper coil in stead of a bench,
I'd love to see what the real temps do in the chamber when the wet wood is added. Thermocouple or IR thermometer maybe? Or a FLIR camera :)
but darwin the deer love that thicket!!
Where is secondary air pip?
Tremendous work Mr and Mrs! We are thinking of purchasing your plans however it is for a bus and hubby wonders if we could make it smaller by shortening the burn chamber? We noticed in some vids a lot of action near the back and some empty space at the front. Also would you be able to heat a bus without a mass bench? Thanks for your time 👍
Hey Darwin have you thought of making a heat exchanger to compliment your awesome rocket stove?
Don't you find that having to lift the glass door with a stick every time you refuel the firebox, as opposed to a sideways hinging door, adds an extra issue to contend with, when refueling ?
But the clean burn is so impressive; it looks like burning alcohol ! -
It must be a state-of-the art system, in wood-burner design !
You know what Paul, That's a good Idea, I am making a set of stoves beginning next week to show patreon viewers the different variations . I will implement that Idea on a new build. Thanks HDC
Does the stove radiate heat long enough to heat your house all night without firing it in the middle of the night?
No it does not.
Could you use this as a front end of Rocket Mass Heater instead of the burn barrel that is commonly used ?
Looks like my stove with the cracked glass . My stove does not burn green wood. Where can I get a store like this stove? Thx for the vid.
Good stuff! With the stove being so well insulated, can you actually cook on it and how /where does it release heat into the house?
I'd say the heat travels up the stairs and through a door at the top into the house, or through a floor vent.
No you cant
Do you worry about it exploding because it gets so hot and all the gases?
Experience will tell you green oak is easy to split the opposite of fir tree which is hard when its green.
Looks good, maybe you should also isolate your house
I wish I could afford the 250 dollars for the book Sir. Looks like a hell of a stove for sure
Hey, we understand. Putting out that much can be hard, but I appreciate your support, and there are many ways you can, by sharing liking and commenting and our patreon, which has several tiers of witch you can support one of which I will be going over the book "live"
patreon.com/HoneyDoCarpenter?Link&
The more seasoned the oak is the harder to split which is the opposite of fir trees, the more seasoned it is the easier to split
Surely the existing fire has to use energy to boil off the 30% moisture in the wet wood. Yes it burns it but is the stove output lover than using seasoned wood?
Very impressive that you're able to burn freshly cut wood.
Two things I'm curious about is the refractory material for the rocket heater, and how do you clean out the ashes?
Typically you just clean ash out quick before you light the fire each time. Since it burns so efficiently, the ash build up isn't bad and there is no need for a tray below like normal stoves
Rule of thumb for axes, split oak immediately and split pine trees after a couple years
Darwin, I appreciate your creativity and ingenuity. Your perseverance and hard work in the face of adversity is something I admire. What you have developed has the potential to help so many people!
I wish to challenge your explanation of how there is more available energy in wet/green wood vs dry/cured. I am currently studying the biology portion of ISA’s study guide, I believe you are misinformed. If I understand correctly, the available energy is exactly the same in both green and seasoned wood - however green/unseasoned wood contains ALOT of water which must be boiled off first before the wood can burn. (Boiling water off requires thermal energy, which reduces useful heat) The majority of the gasses you see from burning green wood is simply non-combustible water.
On this premise, I would also challenge your statement that ‘curing/seasoning wood reduces its available energy’ to be false as well. ( 11:25 ) According to tree biology, there are no organic compounds are off-gassed during the curing/seasoning process because they aren’t present in the wood at ambient temperatures. The major components are cellulose and lignin, which decompose to combustible gasses only when heated to the point of ignition, which doesn’t happen in the curing process.
The components of water (steam) are most certainly combustible and can yield available energy as disassociated high temp plasma gasses of Hydrogen and Oxygen. Due to the extremely high temperatures involved - the WATER in the wood is itself becoming A SOURCE OF FUEL..
@@DeeDee-fi4kq the temperatures required to separate water into hydrogen and oxygen plasma would destroy the heat riser, which would either 1) oxidize away into various less complex forms of silicates and carbonates, or 2) become molten and unable to maintain its shape.
The massive energy requirements to separate water into its component gasses would negate any energy gains through thermal combustion of water (which is currently a myth). The energy consumed through phase change from vapor to plasma (if the heat riser is not destroyed yet) would consume more energy than is available in wood alone.
The process you describe is only found in tokamaks, where scientists study nuclear fusion. This process still requires more power than what is harvested.
If Darwin was in fact able to burn water, he would be able to solve the world’s energy crisis!
He has said in a previous video. The water separates into hydrogen and oxygen around seven hundred degrees. Thus you are able to burn the hydrogen. He said it produces a green flame.
@@jamesthomas3198 I'll ask my son who's a chemistry PhD if this is likely to be the case. Personally I think a higher temperature would be needed. From memory electrolysis is used to separate water into hydrogen and oxygen.
@@jamesthomas3198 No it doesn't, Hydrogen burns with a very pale blue flame and you've nowhere near high enough temperatures for the water present in the wood to disassociate into Hydrogen and Oxygen as that would need 11000-12000°K temperatures at normal atmospheric pressures! And even if did manage to get the temperatures high enough you would loose so much energy in radiation that the whole process would be endothermic!
Can I buy a stove on your website? I assume shipping would be expensive 😂
I am making a set of stoves beginning next week to show patreon viewers the different variations. I may put a couple up for sale but they will be far and few between. You can purchase the plans to DIY your own right now. I did ship one to South Carolina. two years ago and it cost $580 to ship. Stay in touch. HDC
6:29 10-year-old kid knows what a "money shot" is ?????
Green wood burning Rocket Stove/+Pottery Kiln/+Forge/+Whole house air chimney ventilator/+Cookstove & oven/+Hot Water Heater/+Thermocouple electricity generator.
You need to start selling these shoes ,
You need to replace that broken glass door with something that won't break under thermal pressures...
💥
For thr record, liquids and solids do not burn. No exceptions.
Ya, I know gasoline and magnesium each "appear" to combust, but the true combustion elements are gasses.
your burning the water in the wood,
water when burned brakes up into steam, and hydrogen, hence the hotter burn,
Steam yes but Hydrogen no! The temperatures are simply not high enough to cause the water to disassociate into Hydrogen and Oxygen as you need temperatures of around 11000°K which simply doesn't happen in a stove however efficient it may seem to be. Water doesn't burn and even if you manage to create a 11000-12000°K hot plasma from the water you would have added so much energy from elsewhere that the energy you get back from the plasma 'burning' will not match it and the whole process will be endothermic!
So many questions!
Aircrete is not considered fire brick. What is the temperature range of aircrete? What is its’ life expectancy? Can it be used with rebar? Is there a source for technical data on concrete / aircrete side by side? How do building codes view aircrete? (Not all of us can live in the wild frontier. Remember: behind most every code is a dead body or some severe financial loss!). R.S.V.P. anyone with good information. Thank you.
Hello, and thank you for all of the questions some of these questions will be answered in the near future, but if you are looking for some more detailed information you can go to etsy and get a 30 minute consultation with me for all your questions
No simple answer.What a royal pain in the but. I wonder why there is no answer or follow up. I guess your just supposed to hang in suspended animation until 2050.
@@JediStockTrader This guy seems like a bit of a hack. Seems to be mostly trying to sell stuff. The contrived dialogue is a complete annoyance.
Interesting video.... but LOSE the music !