Capillary Hoop Stove - universal - 

Tetkoba, you and your friends have designed one of the most elegant and easy to make alcohol stoves I've seen! Thank you for your efforts and generosity!

Tetkoba san, your creations are fascinating to me. Using some rough numbers, it seems that this CHS universal version puts out over 1 KW (1120 W) of thermal power, and bringing to a boil 400 cc H2O required about 140 KJ of energy. So your awesome stove was around 35% thermally efficient. Better than any that I’ve seen anywhere, by a long shot. My sincere respect and admiration!

This is awewome, and for more than one reason. Not only the stove is an amazing piece of work, but the whole video is entertaining and enriching. The explanations are quick, efficient and clear, the music is perfectly chosen, the graphics are helpful to understand how the stove works, and there are nice tests made at the end of the video to show what to expect from the design. I cannot think of a better way this could have been made, thanks a lot!

I just made one - my first can-based alcohol stove! It took about 2 hours from start to finish, including sanding off the paint. AND IT WORKS!! Many thanks Tetkoba-san. In the UK, you can get Diet Coke cans the same size as Red Bull. Next time. I'll sand the can before emptying it and drill the jet holes before fitting the top ring.

You are the master, Tetkoba! Thank you for your detailed instructions. This stove is incredible! It worked far better than another design I tried.

This is very impressive, I have seen other capillary stoves but they have always had somewhat complicated builds. This is simple and effective, very clever!

Fantastic! By far the coolest, easiest, and best flame that I have seen. Thanks from the U.S.

This is a great design. I've been messing around with a slightly different jet pattern and size. A stove I just made yesterday is boiling 500ml of water in only 4:15. I'm using V8 tomato juice cans in 5.5oz size. The final height of the stove is 38mm. The jet pattern I'm using is 10 jets, with alternating size of 0.85 and 0.65mm. I'm using 20ml of denatured alcohol which burns for 5:00-5:30 total. The kettle I'm using is a MSR Titan 750ml titanium

The best. Ingenious. Should win a prize.

Thank you for sharing. The video is a very good demo of some important design improvements. I like how time till jets go on has been reduced to just 5 seconds and that they run a full 10 minutes on very little fuel. These features, combined with the ease of making them (with no JB weld! Very good), is inspiring.

Tetkoba-san, You are the BEST stove builder HANDS DOWN! Your designs are innovative, technically superior and (as luca bravo wrote) exquisite. Your videos are well done and I enjoy watching them. I built a CHS today following your video and tips and it turned out perfect. I did a side-by-side comparison against the specs in your video and the weight, burn and boil times were all identical. I love this stove! Keep up the good work!

Excelent design and fantastic instructions! The evolution of this stove has been great.

As always, your stove is a triumph of beauty and function. I would love to see a more detailed video of the forming of the creases as I'm not sure I understand teh process for making them. Well done!

Fantastic design and execution. Thanks!

best stove with amazing music and state of art explain, exquisite craftsmanship

Best of the best! Great Learning and really enjoyed watch through your series of development.

Awesome design, Beautifully crafted and great production video, so clear. I'm definitely going to have a go myself. Thank you

This is the excellence in your work. Congratulations! ... and thanks!

Best yet! Thank you for sharing your masterpiece

Your videos are a real pleasure to watch! So much excellence here!

Great work man, I loved this Stove, easy making, I'll try it, thanks...

Thank you for sharing your knowledge with all of us !!! God bless you !!!

Took this stove on a 3-day hike. I've been using penny stoves/can stoves for years, using lots of different designs, and this is simplest most efficient alcohol stoves I've ever used. Now if you can only design a simmer ring for extra long burns, it'll replace all my other can stoves :)

Thank you for bringing the concentrated technological strength of Japan to the world of alcohol stoves - we are all better off for it!

Thanks for sharing, really capable little stove!!!

I would love to see these stoves tested outdoors on a windy day. I like all your stove designs they are fantastic.

tetkoba, all of your work is highly inspirational to me. I plan on building this model soon. Thank you!

Excellent! Thank you. I will use this on my sailboat at sea.

O melhor queimador feito até hoje. Fantástico. Parabéns 👏👏👏👏👏🇧🇷🇧🇷

Thank you for an excellent video of a very good design.

Again I am amazed by your skill and ingenuity. Your videos are also well put together. Keep them coming.

Excellent video! Thanks for the info.

Another great job,will have to try this one.Thanks ,your stoves are the best

This is one the favorite stoves you made that I like to date, the best

Yay, I made one of these last night and it works well. First burn test this morning... maybe I'll do a boil test tonight. I had some problem with the small holes required... Normal drill kits don't go down this small here, and a pin isn't strong enough to go through the can at this point. Finally found some smaller drills yesterday. Success. Thanks for the elegant design, tetkoba.

Realy the best. Great job !!! Saludos de BILLIG CAMPER from Germany

All of ur stoves R awesome...

I just made one using this tutorial. It looks almost exactly the same, works great. It took me some 4 hours but it is worth it. Thank you dude!

I builded this today and gave it a try. Burns Well an Not so uncontrolled like others. But for the cost of the three needed Cans. I can nearly buy one.

JBウェルドを使わないトルネードのアルコールストーブを作れないかなと思い、色々動画を見ていたので、こちらの動画はまさにドンピシャでした。 立ち上がりの早さも火力も見た目のキレイさもイメージしていた以上で素晴らしいです。 製作はかなりシビアな様ですが近々挑戦してみたいと思います。 しかし不思議なのは、完成度の高いアルコールストーブの動画はどれも日本語のコメントがとても少ない事です、海外からのコメントが圧倒的ですね。 日本人はこういう工作に興味ある人は少ないのでしょうかね、こんなに楽しいのにもったいない。

Fantastic design and execution!

Thanks so much for showing this. I always have been inspired by your craftsmanship as well as your constant development of alcohol stoves. If you have an ebay, I may just purchase one of your units! LOL!

Awesome stove you have created. Thanks for posting this great video. Take care, Bluefin.

What is your ultimate goal? All of your stoves are amazing, sir. Thank you for sharing your genius with us all.

Insightful and clean - thank you

elegant design, so simple. great work.

Thank you for your time tetkoba-san! I look forward to trying this. Go Japan!

Masterpiece collaboration!

Elegant video, intelligent design. Love it.

Very interesting and inspiring video. Thank you!

Great work as usual, I wait for the next one with impatience. Thx.

Excellent as always! I will be trying this one for sure.

Amazing work!

looks like you have a winner my friend! Very nice work. Thank you for sharing

Stupendous! This looks like the perfect design! I commend you for your ingenious efforts with alcohol technology. The fuel efficiency is superb with a strong pressurized flame. I love it! BoilOn!

Another excellent video and your new design certainly looks like a winner. Great job!

Very slick! I like your professional presentations, no speech, just music, unlike so many of the usual crop of ditherers who drift off topic, ummm, ahhh, backtrack, or get interrupted by other irrelevant events in their workshop, or have infuriating camera-shake. You only have the key items, clearly shown, in sequence, with text where required. And it works. This is why almost all Japanese stuff works, and is reliable, just like Toyota, as it's all attention to detail. Good job, guys. :-)

tetkoba... You are the stove guru!!!!! Thanks for sharing your idea.

Great job. Well done.

looks like a perfect stove :) thx for sharing

congratulations, you are a true genius

this is just totally cool..nice job

amazing work sir!!

It's the Best stove ever made on earth! Sooooo great...

Excellent idea and execution !

Thank you for your reply i preferred to use a little JB weld between the joint to ensure an airtight fit. It works very well, I also tried a 57mm dia can and added one more jet and also 5mm to the height. the larger version is very powerful and good for boiling 4 cups of water with 40cc fuel, I think this is your ultimate design. keep it up

Hi, thanks for spending the time and effort experimenting to create this simple and beautiful stove. Have you considered placing the capillaries at an angle and experimenting with variables of angle and smoothness of the surface by using different grit when sanding the interior components? Thanks for sharing your work.

Great stove. Awesome music. Liked and subscribed

Great video. Think I will try to make this for fun. From the videos I seen so far on alcohol stove, the best distance between water pot and jet is approximately 1 inch or 25mm. With that kind of intense heat you have on this stove, I think it can boil much faster. Good job.

you are the king of stoves.......

これは驚きました。とても素晴らしいですね。

This is the best RU-vid channel

Great job on the stove. I don't know how you're going to top this one.

Have built several CHS-U stoves and though not so pretty as tetkoba's perfection the stoves are amazing. If not perfect each build burns at claimed burn time for amount of fuel with flawless operation. Worth the extra effort versus other builds I have tried.

Yep this one doesnt need a weld. Nice one!

Fantastic stove ! Thank you for the tutorial and the FAQ video, it helps a lot. Which one of your stoves would be the best to boil 1 liter of water on a 13 cm diameter pot? Maybe a larger version of this one?

Longest video I've seen so far from you. Great burner. Will try to build one as well...

ありがとう Thank you tetkoba-san! Arigato!

thanks for sharing your knowledge, amazing little alcohol stove, couple questions, how long should be the skirt ? 5mm perhaps ? and what is the ultimate distance from the bottom of the pot ?

Another great "Tetkoba". Ty, chris

Cool, great, now I must spend more time trying to make this one...

Your video is a work of art in itself. Rather than support Red Bull, consider V8 juice, small can (or larger can if larger stove is needed). Thanks for sharing your genius.

Very cool. You have built some amazing stoves. I would like to build one of these. How did you put all those creases in the side of the can? Thanks!

amazing, thanks for your knowledge to the world! Can you show us and built the capillary segment, its the most important part in this stove. thanks

完璧!!!! My jaw dropped when you picked it up!! I am very interested to see if you can achieve jetting with this stove design at low temperatures :)

Hello TetKoba, What elevation do you test your stoves at? I built a modified version of the universal hoop stove eliminating the lower hoop and inner jets I stopped the capillary tubes half way up the inner capillary section and jetted it to the outside at this point. The results were stunning 3:40 min. boil time using tap water and denatured alcohol with a burner to pot distance of 1 1/4"-- @ 4600' elev. and room temps. using a typical titanium 1 quart. backpackers pot and lid. I have since built two more of these stoves experimenting with jet height/size and have had favorable results! My background is Field testing for outdoor equipment companies and have, over 40 years+ got t use just about every type of stove and fuel source available-- this great alcohol stove simplicity and performance that we are seeing especially with your stoves, got my attention! Thankyou for all the great video's and guidance! Lightning Layne-- Professional field tester at large!

I finally made one of these using 200ml solo cans. Its not very precise but works well despite not being as beautiful as yours. Hot tip, 🔥 don't over hear the rim when annealing it to fold it over.

you sir are genius.respect

I just finished my first alcohol stove! It was a simple soda can penny stove design, but I aimed the jets in like you do (but straight, not cyclone). The 16 jets were made with a thumb tack (maybe 1mm). My first burn was with 80mL of fuel. At 1:40 it turned from a dancing blob into a bright blue solid primary cone with a beautiful blue dancing spirit above it (no orange). The spirit began to die @ ~47:00, and the flame went out at 52:21 Thank you for your examples and inspiration, tetkoba san.

This is great and a very useful tip, Tetkoba-san (Did I use it right haha) I was looking into buying a spree(Ethanol) operated stove or Trangia, but they are so expensive. I think I will just have to start drinking Redbull, not gonna succeed on first try. Greetings from Finland :)!

Yes. Power will be down when smaller center hole. But it is more effective to close the jet hole.

tetkobasan you are a Master Builder

Beauty by simplicity...

The music: round one fight! Reminds me if my snes days lol

This is one amazing looking and operating alcohol stove, congratulations!!! Don't know how you will top this!

Loved this video. It's seams to be a very effective alcohol stove that burns 30 cl alcohol in 11 minutes and boils water in 5 minutes. More efficient than the Trangia alcohol stove. Higher efficiency also means higher alcohol consumption.

It works! Perfect!

Wow amazing looking stove. I was wondering if this could work with biogas?

Thank you

This is a master piece and it is easy to construct, i would like to ask a question does the top jet part has to have an air tight fit with the bottom creased part as I am replicating this stove and i will like it to work properly. Thanks a lot for your videos tetkoba.