22.11.2020  Author: admin   Easy Woodworking Projects
So now that you have a basic understanding of what gasification is, lets get down to the build!!! You may not want to drill through to the firebox at the fan output site or wood gasifier stove plans.pdf unity the size of the holes Free plans put out by FEMA. The sense cooking stove popular woodworking books stovesdoc angstrom Mrs. Amazing project. As the reader, you assume all risks of reproduction of this project.

Home About. Share this: Twitter Facebook. Like this: Like Loading RSS feed. June By continuing to use this website, you agree to their use. To find out more, including how to control cookies, see here: Cookie Policy. I recently learned about the design while looking up specification for the popular Biolite Campstove, a design which I sought to make. Only then did I learn that it was a gasifier, and the rest is history. They are often used in third world countries, due to the fact that they are incredibly cheap to manufacture and are 10x more efficient than just a plain fire.

Because of the double-walled construction, it is easy to use a simple food thermos to make one of these beauties. Enough talking, Onward! A gasifier stove consists of two walls. The outer layer then has holes drilled along the bottom on the outside, while the inside has holes drilled in the bottom and the top. Air then flows into the bottom holes on the outside, and flow into the inner layer, into the fuel. Some air then rises between the walls, becoming heated and flowing out of the holes in the top of the inner layer, essentially becoming little jets of fire.

For this project you will want a thermos, and various drill bits. First, you need to drill the outer holes. Then I took a measuring tape and used it to evenly distribute the holes along a line parallel to the base, for a total of 12 holes.

This is also nice because you will inevitably push through the outer layer a little hard, and end up denting the inner layer. Don't worry this is good. This will leave you a straight shot from the outside into the bottom of the thermos, and an easy ventilation route for air to get in. This is probably the easiest step, and is also the fastest. The next part is to drill the inner top holes. I really hated this part as it took forever.

It was easy after the initial burring to make the dent and was straightforward after that, but I ruined several burrs in the process. You want to drill these above the protruding lip, but below the threads. I tested the stove several times without anything on it. You can see from the pictures that it quickly developed hot coals in the bottom. I filled it with some wood scraps and paper towels, and after about 2 minutes, it stopped smoking and started gassing!

This process usually takes at least 1 minute, but after that it is golden. The fire eventually starts to come out of just the inner holes, and looks really cool. I prefer to light the stove through the bottom holes, as it gives me a straight shot to the fuel.

For the pots, I needed some form of support. This took me a while to figure out with my dad's help and it worked out very well. They pull apart in pieces, and stack into a cross that fits neatly unto the top of the stove.

I have yet to finally boil water in it, but I assume it would take anywhere from minutes to boil 1 liter of water. I plan on making a fan assisted box to help move the air in the bottom, and will update when ready.

I would love suggestions on how the holes could be altered to provide better gasification, or how it can be made better. Thanks for reading until the end of my first instructable, and I would love your vote in the Make: Energy Contest, and others.

Thanks, Quark-. I just couldn't wait to post. No tests have been performed, nor has the sugru even dried. For the first update, I made a thermoelectric fan box to blow air into the box and create turbulence. This should hopefully generate more of a furnace type stove and cause more efficient gasification. It functions by using a peltier element to cause a temperature differential between the side facing the stove and that facing away.

Aside from the fan, it has no moving parts. Firstly, drill 2 holes and position the blower in the manner mentioned above. Make sure not to attach it too well, as this is merely a testing stage. Next, drill the hole for the copper nipple, at the bottom of the box. Then, run the wires into these holes and hold them at the other side. Now, attach the fan, red to red, black to black, with a Schottky diode on the red lead, white line facing towards the fan.

Solder these in place, and make sure to run heat shrink over these leads before fully soldered, in order to prevent short circuits. Warm this tubing to shrink the tube over the leads, and, done! On the outside of the box, take some thermal compound and drop a little glob on the enclosure, squishing this over the cooler when you place it down.

I also added little rolls of sugru around each edge of the module to keep it in place. Take one packet of surgu, and roll it around the copper tube in the bottom. Then, take the other packet and fold it into a small sheet, then smoothing them together and making an airtight seal. After this step, you are practically done! I would love feedback and ideas on grille shape and design, but this is what I went with.

I included images of the nipple fitting into the hole I drilled in the canister, as well as it in the stored position. Wow, no more having to buy those wasteful expensive gas canisters every time I go on a camping trip. With this setup you might be able to charge your Smartphone at your campfire with a cable long enough! If you need to, add a few capacitors, but make sure, that they can withstand the high temperatures!

Before connecting your electrical device ensure first, that the output voltage does not exceed the required 5V at the USB connector. Elsewise you might fry your device! Would the sugru not melt due to heating? And it would be great if you posted somemore pics of the copper nipple attachment and such thanks!

Overall great project cant wait to build. Increasing the top ventilation holes could also be done via your dremnel tool by cutting slots in between the holes.

Also do this at the base where the fan blows in and also at the box holding the fan then use the surgu to make a square duct both inside and in between. That should boost the air volume. You may not want to drill through to the firebox at the fan output site or reduce the size of the holes I just want to thank everyone in the Instructables community for the amazing support and the win in the Burn it contest, as well as the finalist position in the Make Energy contest.

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