Final Build! Paint Can Wood Gas Stove Optimization! Wood Gas Stove Science| Part 9!
ฝัง
- เผยแพร่เมื่อ 5 มิ.ย. 2024
- Now that I have an optimized (to me) design, I will share the build. This portion of the Wood Gas Stove Science Series will be devoted to optimizing the beloved Quart Paint Can Wood Gas Stove. I want to make a good stove GREAT!! This is Part 9.
Amazon Affiliate Links! I make a commission but it costs you nothing!
Safety Can Opener amzn.to/34tXVEl
Tin Snips amzn.to/3uzEYdX
The Wood Gas Stove SCIENCE series is an attempt to learn the science behind and how to optimize wood gas stoves. There are many videos of people drilling random holes in random cans and they are great! I have watched most of them and that is where I got my inspiration for this series. I will not show you how to build one until I have an optimized stove design. I am trying to find the correct ratio of can size, fresh air intake, primary and secondary air ports.
Thanks for watching and please stay tuned for more videos in this series.
Wood Gasifier, Wood Gas Stove, Paint Can Stove, Hobo Stove, Camp Fire, Burner, Wood Burner - วิทยาศาสตร์และเทคโนโลยี
It's a great day when a new Heath Putnam wood gas stove video is released
LOL! Hard to tell if you are serious or not! Thanks for the comment!
@@heathputnam9524 you do a great job. Thanks for putting these out there
Thanks for being a subscriber! Comments and criticism are always welcome! Haha!
Thanks for the great work, and for sharing it in the Open Source spirit!
Thanks for watching!
Cool thanks mate
Thanks for the comment!
This is awesome. Respect 🙌🏼 Great series.
Thanks for watching!
Super cool! Thanks for sharing.
Thanks for watching!
Dude, I've watched 5 of your videos. I've gone to the hardware store and bought an empty quart paint can. I've got 6 different soup cans. WHERE'S THE FINAL BUILD? I'm ready to do this.
Find the playlist on my channel. It’s all there! Thanks for watching!
I am showing a copy of your design on my channel, gave you full credit and a link to this video. Wanted you to know and to thank you for this awesome design!
Hope it helps someone!
Excellent!
Thanks for watching!
I found the enchilada sauce can. I like that I had to pound it into the paint can. The Progresso and Bush's can have both fallen out on me. I don't think this one will. 🤞🤞
Looking forward to hear about your results!
@@heathputnam9524 so far it's looking good. My bottom holes started to run together and I think my total is 1 or 2 less than you used. It's boiling 2 cups of water in about 7-1/2 minutes and burns about 40 minutes. I haven't tried the Vortex tweak or flame concentrator yet and it's already the best one I have. Just putting on your pot stand gained almost two minutes compared to the slotted chicken can I was using.
Sound promising! The Vortex tweak will help a lot! And the concentrator will lower wind impact! Keep me informed!
Heath, great systematic work to nail down the system! Thanks for taking the time to make the videos.
You discussed the dimensions of all the parts and mentioned a method for figuring out the spacing between the inside and outside walls. Can you point me at the info you have on that? I'm trying to get a handle on applying these principles to a backyard fire pit. Thanks in advance.
I think starting with the Vortex 5.7 build video and then using the video on optimizing wood gas stoves to tweak the end result will probably get you pretty close! Let me know how it goes! Thanks for watching!
I love your design.
Thank you! Thanks for watching!
I love the science Mr. Putnam. I am in the process of designing and building a heater based on a wood gasifying stove like yours.
I intend to use 3 5kg gas bottles (which measure 23cm in diameter (about 9 inches) and are 47 cm tall (18.5 inches)
I plan to use two bottles to make a heater body of about 65 cm (25.6 inches) tall and the third one to manhandle a section into a smaller diameter tube to form the "inner can" so to speak. I intend to use stove pipe (I have some 80mm / 3.15 inches which is common in the pellet stove world) as my chimney and possibly the intake. I plan to build the stove in such a way no air is draw from the room the heater is in but only from the outside. I like to use a throttle in the air inlet to be able to throttle the burn.
I like to add a cooking surface on top (with a lid made from the top of one of the gas bottles) and a ash pan below (which is actually the very bottom of a gas bottle which is made to be removable and made leak proof by use of a fibre glass rope (very common in the stove world)
My question to you is if you have any suggestions for me regarding the rought measurements of the "inner can" and the distance I need above the secondary holes to get an efficient cooking surface. And do you have an idea how I could add a baffle to prevent flames from entering the chimney...
Best regards, Sander.
The space between the two cans needs to free flow but not be so big as to not allow good heating of the air as it flows upward to the secondary ports. My suggestion is 6-10mm / .25-.375 inches. Good luck with the build and please let me know how it comes out! Thanks for watching!
Holy Moly, that’s impressive.
Thanks for watching!
😮😊very nice😊
Thanks for the comment!
Awesome recap, great stove!
Thanks for watching!
Great Job my friend. I would like to recommend a little improvement. I saw it in some video or photo or patent, I don't remember, but the main thing is to put all the stove created inside a greater Can, I used for example the Bigest Tomato Can for Restaurant. It has double function, it help you in case of Wind, because the Air before to go into the Outer can Holes need to pass through the Top and flow down speed, and also start to warm.
Have a nice day! And let me know if you could improve the stove ;-)
Thanks for the comment!
What kind of can did you use for the pot stand? Or did I miss your mention of it here? The compact, self contained aspect of this design is especially useful. Thanks for sharing.
really helpful
kudos
Thanks for watching!
Thanks bro 👍👍👍👍👍
No problem! Thanks for watching!
Thanks for the great work. My first one was little bigger and consumed more wood. Actually I wanted to make a wood gas for household purposes not for camping. I'm trying to make my own using your findings. Thanks again.
Let me know if I can answer any questions! Thanks for watching!
I make a home use one too, and this size is great for most stuff. The smaller one he made after this is perfect for boiling coffee. I made a bigger one (like the solo stoves) out of an ice bucket which does great for soups and large scale cooking. I'm a bit of a prepper and i use the larger fir wood for the wood stove for house hearing and all sticks and twigs either for these stoves or for my stone oven.
The larger wood gasifier is also really nice at making coals for some grilling at the end, and especially nice for some safe campfire gatherings, or some nice background burning while in the workshop.
very good
Thanks for watching!
Thanks for your hard work on this project! Have you considered adding insulation to the outside of the stove to allow the rising gas to heat even more before coming out of the secondary ports? Perhaps some pipe wrap made of fibreglass would do.
If I can make my first stove using your plans this weekend I might give the insulation a try and report back here.
I did try it on an early experiment and didn’t see a noticeable difference but I think it has merit especially during initial gasification. Please let me know how it works! Thanks for the comment!
It might be more expensive but have you tried or thought about using Bain Marie pots for one of these? They tend to nest very well and you can size up with out having to find the right cans.
The origin of my experiments was an extremely efficient stove for little to no money. That being said, I have thought of using pots for the stove in a scaled up version. Thanks for the comment!
Excellent video!
So the optimized ratio of primary/secondary air would remain the same for a larger build, ie gallon can? How would you calculate area of primary/secondary air in proportion to volume of firepot to determine size of holes?
not in proportion to stove volume, but inner can bottom area.
Did you ever make the bigger stove?
Thank you for sharing the design! Have you or anyone else measured this stove's weight?
I have not measured it😊. Thanks for watching!
Thank you for your excellent videos. I’m working on this stove now. Have you made a one gallon paint can stove? Would the same size holes work for a gallon stove? Do you have any plans to make one? I hope so.
I haven’t done a gallon can yet. I’m having trouble finding a metal one. Seems they are all plastic now. Thanks for watching!
Sherwin Williams sold us many metal cans back in the fall of 2020. Perhaps they would be a resource, as long as it hasn’t changed in the past 2 years.
Nice video series. I must have missed what was the product of the inner can? I have been going around measuring cans but have not found an inner with the exact dimensions. Thanks
Go back to the first video. I think I mention the content of the can. It’s been over a year since I did that video. My memory is not that good! Thanks for watching!
I added the pot stand to my stove and cut almost two minutes off my boil time. I'm planning to make one like this when I get the parts. I have a spare paint can but the local market doesn't have the 19 ounce inner can. Still looking.
Awesome! Thanks for the comment! Good luck finding the can! I actually took the top ring off the paint can to the grocery store to find the right can! LOL!
@@heathputnam9524 a 22 ounce Bush's Grillin' Beans can has the same top rim as the progresso can but it has the heavy rim on bottom too and it's just a hair taller.
The 19 ounce enchilada sauce is on sale next week. Hopefully they stock up before then.
The central hole of the flame concentrator - 1 1/2" - is that the size you used also when changing to glass chimney for lantern?
Yes, same size! Thanks for watching!
I think in one of the clips you tossed the flame concentrator into the pot stand. Did you have to trim the paint can lid or is your Hunt's tomato can a little bit fatter than my store brand can? Mine sits on the widest part of the lid. No big deal, I can trim it if I have too.
Sorry that was not the cleanest cut between clips. I had to rewatch it myself! 😂 it was playing at 10x but I removed the pot stand and put on the concentrator the put the pot stand back on, but it happened in a fraction of a second in the video. Sorry again for the confusion! Thanks for watching!
Now I'm confused. I just watched a man build a stove similar to this except he cut a hole in his lid to fit a smaller can. He put two offset rows of twelve 1/4" holes on top of his inner can. If my brain is thinking right, he needs about a hundred 1/4" holes on the bottom to get the 4:1 ratio. He put eight 5/16" holes and a couple more that couldn't have been more than 1/8" in the bottom and that's all.
It burned, but barely. He practically put his hand in the fire and said it wasn't very hot. Someone commented that he should block off some of his primary holes. (He barely had any to begin with!) That would make it burn slower and hotter and it would cut down on the soot on his pot.
You showed in one of your videos that adding primary holes is what makes it smoke less. And can it really burn slower AND hotter at the same time? You have to burn fuel to make heat, right? More=more.
Sorry for being so long winded but some people seem to have no idea how these things work. I don't know much myself. I'm learning thanks to you but I'm not to the point where I would make an instructional video for others to follow. I'd look like a moron and I hate when that happens.
I hope my videos are helpful to people trying to learn and hope I don’t look like too much of a moron!Haha! Thanks for watching😂
@@heathputnam9524 you look like you've thought through each step and then showed that they actually work. It makes me wonder how anybody could comee up with an opinion that is so different.
Just wondering, how come we don’t see blue flames in this final build?
Thanks for all that info and inspiration. I now did some builds too.
A question: what do you consider the minimum working gap between inner and outer can?
I am trying to not waste too much space in the backpack, on the other hand a bigger burning chamber is better in many ways ...
I found 1/4 inch gap all the way around work well. Thanks for watching!
Great job! What is the weight of the total system?
I never weighed it but it is very light.
Is there a link to the build plans for this anywhere? Also, if someone wanted to use this reliably, I'm thinking some kind of fiberglass fire blanket would be good in case of a tip over, and some kind of collapsible base stabilizer like you can get for backpacking stoves since it is so tall and skinny. I would love to try this camping since it lets you have a little, contained campfire that is Leave No Trace compliant and requires such little fuel.
I try to find a flat rock to put it on when using it in the wild. The plans are on the “ build “ videos, such as they are. I have not published actual plans for any of my stoves, I try to give enough info for a DIYer to be successful! Thanks for watching!
@@heathputnam9524 I'm making one with a baby formula container exterior and quart paint can interior. Is there an area formula to determine the primary air? Or just put in as much 1/4" holes as possible and then use the primary/secondary ratio to get the appropriate secondary area?
I would like to see a burner using these principles applied to burning waste vegetable oil and or used motor oils.... I've built many waste oil burners and if u can get the temperature and air ratios correct they can burn very clean and extremely hot but I've had problems coming up with small burner designs that actually burn the gas at the top it's seems the problem with these fuels is getting the correct atomization and air fuel ratio on the primary burn as u really can't draw or force the air up through the bottom of the can like u do with the pellets .... Any ideas and or videos on this type of burner would be greatly appreciated.... Now I believe Coleman used to make a fuel oil burner that used these same ideas and principles as these gasifier burners ur making but; I've nvr seen one in person and finding any info on the exact design of these burners seems to be non existent as I think of I could come across some detailed drawings or pictures of these burners I believe they would be very useful.... Thanks in advance for any help or info
Thanks for the idea! You may see a video in the future!