Build a #10 Can ROCKET STOVE: It Cooks an Entire Meal With Twigs!

Build a Rocket Stove out of a #10 can! One of the most efficient ways to cook in an emergency! Uses only a handful of twigs! Directions at Prepared-Housewives.com #emergencyprep

Everytime I’ve done an emergency fair, the most popular alternative cooking method that I demonstrate has been the Rocket Stove (by a long shot)! People LOVE this one, including me! It has immediately shot to the top of my FAVORITE’s list and something I recommend EVERYONE should add to their emergency supplies!

Why? Mainly because…

A handful of twigs can cook an ENTIRE MEAL!

And if you use the design below it fits anywhere, only weighs about 1 lb, very portable, easy to use, practically free, great for camping,…. Shall I go on?
No… lets just go ahead and make one!

Grab Some Scraps and Make a ROCKET STOVE!

A huge thanks to Brock, who is an Organic Wellness Doctor by day, and a Rocket Stove engineer by night. I got my first Rocket Stove from him, because lets face it, I was NEVER going to get around to making one.

He was nice enough to let me invite myself over to his workshop and be totally obnoxious with my picture-taking. So make sure to check out his Website – PREMIER ROCKET STOVES, and send him a HUGE THANKS :)

supplies needed to build a rocket stove

SUPPLIES:

  • #10 CAN W/ LID - Recycle one or get one from the cannery.
  • 2 LARGE 28oz CANS - Eat lots of beans tonight :)
  • EXTRA CAN – You need an extra can to make the shelf.
  • INSULATION - Grab some from the attic.
  • TIN SNIPS - or anything that can cut metal!
  • HEAVY-DUTY GLOVES - So you don’t cut too many fingers off!
  • MARKER – To mark where to cut on the can.
  • WIRE HANGER – To make the handle with.
  • HIGH HEAT SPRAY PAINT - If you want to make it fancy ;)

1- Mark & Cut Center Hole!

With the large #10 can , use a lid from the small can and trace a circle.

mark hole to cut tin can

Once you get something that could pass as a circle, get to cutting! This is where you get to use your Tin Snips! But if you want live on the edge, pull out a mini saw, don’t wear any safety goggles, use your toes to cut everything, and go to town!!!

cut hole in rocket stove

Check your tracing skills by seeing if the can fits through the hole you just made.

insert coup can into #10 can

2- Mark & Cut a Hole on the Inside Can

  • Now do the same thing. but this time measure and cut the can that will be going INSIDE the #10 can.
  • Using the piece you just cut out of the #10 can, place it on top of the smaller can and trace!
  • Once you’re ready, let some more sparks fly!

cut smaller can for rocket stove

4- Cut and Insert the Last Can

  • With the can you haven’t touched yet, cut off the rim first.
  • Then make about 1.5 inch tabs around the can. (see picture if I’m not making any sense :)
  • Squeeze, smash, squish and do whatever it takes to get it through both cans.
  • Fold some of the tabs up to make a snug fit.

put tin cans together and place in rocket stove

5- Cut Lid

  • With the top lid, trace a circle in the middle of it using one of the smaller cans.
  • Then yes, cut it out.

cut lid of rocket stove

6-Fill With Insulation!

  • First cut tabs around the large can. We cut 8 total, but look below to see approximate spacing.
  • Insulate with whatever you want that won’t catch on fire, I just grabbed some insulation from the attic for mine :)
  • Pack it in until you can’t fit anymore!
  • Fold down 4 tabs, use a hammer if you need to help flatten them.
  • Place the lid with the circle cut into it, on top.
  • Hammer the remaining 4 tabs on top to secure the lid in place.
  • OR – Just look at the pics :)

add insulation for rocket stove

7-Add a Shelf!

Almost done! Not sure where my pictures disappeared to for this step (maybe the same place as the I-Pad), but you basically use some of the scrap metal and make a shelf!

***Update – I found my pics!!!***

  • Cut a rectangle metal piece with flaps that will fit inside.
  • Hammer the metal to make if flat if necessary.
  • Cut about an inch on each side of the can.
  • Slide the shelf into place.
  • Fold down flaps.

add a shelf to the rocket stove

8- Make a Handle

For a finishing touch add a handle to the rocket stove by using a metal hanger. Drill two small holes and thread a piece of hanger into them and bend it into place.

make-handle-rocket-stove

9 – Spray Rocket Stove with High Heat Spray Paint

If you want to be real fancy go ahead and spray your finished rocket stove with some high heat spray paint. It will make your stove look pretty (which is very important :), and helps it to last longer!

RocketStoveFeatures

10- You’re DONE! Time to Launch!

I usually just cut up some of the scrap wood we have lying around, but use whatever you have that will fit and burn!

  • Put some small pieces of wood on the shelf (not under, it needs to breathe)
  • Throw some dryer lint in (Save this amazing stuff if you aren’t already :)
  • Light it!
  • And Poof! If will be up in flames before you know it!

rocket stove uses only a few twigs

Now COOK with it!

Keep feeding in wood to keep the fire going for as long as you need!

use-twigs-rocket-stove

This is sure to WOW anyone you show. So bust it out in your front yard, take it to work, or give it as a teachers’ gift (maybe they can use it to burn some of that ugly apple decor they always get)!

My favorite is to send the kids outside with it and tell them not to come back in until they’ve made dinner.

cooking with the rocket stove

Hopefully these instructions make sense. Sorry, if there’s a million typos and awful grammar, it’s because I’m typing and editing posts while kids are beating each other with Wii controls. Gotta go!

Want more tips & ideas for being prepared? Enter your email below!

 

Remember, if you want to skip the making and get on to the impressing you can just buy one here – PREMIER ROCKET STOVES!

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Jamie S.
Mom of 3 little men & 1 princess, surviving in Texas. If you're ready to be prepared I recommend you STOP everything and JOIN US NOW ;) You don't want to miss out!
Jamie S.

@preparedwives

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Comments

  1. 1

    Avlor says

    I seriously have a blog crush on you now! I have been drooling over rocket stoves. This would be such a fun project to do with my hubby for a DIY date!

  2. 6

    rnno1 says

    Made a couple of these. Yours is much ‘prettier’ though. Amazed at how efficiently they burn. Hardly any smoke or ash left after burning.

  3. 8

    Anonymous says

    Nice, but it’s much easier to just purchase a portable stove for under 50 bucks that breaks down flat for transport. Try carrying this contraption in your bug out bag…

    • 9

      says

      I did’nt realize they had portable stoves that were smaller than a #10 can and could be used with a few sticks. Most of the ones I’ve seen are electric or need propane, and storing enough of that is nearly impossible without making your house a fire hazzard.

      • 10

        Anonymous says

        I mean no disrespect and your idea is sound but for portability here is one example:
        foldingfirebox.com
        There are others…

    • 11

      Prepared Housewives says

      Thanks for sharing, that’s a great option too. I’ve never seen one that goes flat before. It reminds me a little of the Volcano, which I really like, but a lot smaller and flatter.

    • 12

      Anonymous says

      The fold flat ones are great but some people can only afford to make a stove with free recycled items. Which is why the rocket stove is a great idea, that and people would be more impressed with something someone made more than something someone bought, which I think was one of the main points in this tutorial.

      • 13

        Judy says

        If you are worried about fitting in your bug-out bag, how about putting a carabiner clip on it? Then it could ride on the outside of the bag.

        • 14

          says

          Fabulous idea! I think we put a handle on this one, but I also have one with a key ring. You can definitely put holes in the rim and clip a carbineer on it or whatever you want!

          After you use it once though, it definitely get’s dirty, so the only concern is getting black on whatever it touches.

  4. 16

    says

    This is awesome! We have an RV, but we like to cook outside more often than not. I think we need one of these for heating up dinner!

    • 19

      Prepared Housewives says

      I’ll post a couple of our favorite things, but pretty much anything you can cook on a stove. Some of my favorite things I make is popcorn, eggs, and soup. We’ve also cooked 5lbs of hamburger for a cook-out one time too.

      • 20

        Cheryl Weaks says

        Hi,
        Thanks for sharing this amazing idea! We live in Florida and were without electricity for 2 weeks one time. There were no gas stations, grocery stores etc during and after the hurricane. This is an amazing little gadget to have on hand and I wonder if My new Dremel could do this!

        Cheryl Weaks
        Ft. Lauderdale, Fl

        • 21

          says

          Hi Cheryl -
          It’s perfect for those emergencies! I love it because it’s so small!
          Good luck making one! Hopefully your new Dremel will work like a charm!

    • 22

      Prepared Housewives says

      As far as being messy, everything’s outside so clean-up is great. After everything is done cooking I just turn it over and dump the ashes and that’s it!

    • 24

      Prepared Housewives says

      It burns out pretty fast, you can also just dump the ashes in a firepit or throw some water in it.

    • 27

      Anonymous says

      This is great I will have to try it I love trying to invent something that’s different I have nevet saw one before going to starting following you to see what else you can cone up with. Thanks for sharing.

  5. 28

    says

    I won the contest and am happy to say I got the rocket stove recently! Can’t wait to use it this summer :) Thanks Prepared Housewives!!!

    • 31

      Prepared Housewives says

      Are you saying I have man-hands ;) You’re right, but if I got him to take the picture there might not be a tutorial to post!

  6. 32

    Carl says

    As a Cub Scout (age 8, a very long time ago), we made hobo stoves. A #10 can with vent holes near the cooking surface (the bottom of an opened can) and an opening large enough to slide in a tunafish can with fuel (rolled cardboard drenched in parafin) at the other end. Much easier to make (though not nearly as cool), but equally useful in case of emergencies. A single fuel can could usually cook 3-5 pounds of ground beef, and one doesn’t need a skillet even if cooking a single patty at a time.Fuel cans could be extinguished by flipping them over or putting a lid on them and reused later (or recharged with more parafin and reused). Obviously, one could use briquets or sterno or twigs or just about anything else that burns for fuel if pressed into it. I love your rocket stove idea and might make one just for fun. I am really impressed by how thoroughly burned the twigs are (little ash). Keep up the blog.

    • 33

      Prepared Housewives says

      Thanks for the info. I’ve seen those and will have to try one of those next. I’ve gotten addicted lately with trying different cooking methods and playing with fire :)

  7. 36

    says

    This is an amazing contraption! I would love to post your article idea and photos, with all attribution and links back to your site. Would you consider? Thanks!

  8. 38

    says

    Ha ha ha kids beating each other with Wii controls. No offense, I am laughing because I completely understand and empathize.

    Love this idea must do it. What ingenuity.

  9. 39

    patti says

    I am delighted to have found your site! Plus I have been wanting to build one of these but could never find directions in print, with pictures! The you tube videos are great, but I do not have a computer at home. With a combo of 3rd shift brain freeze, menopause brain, and adult ADD. I’m hopeless unless the directions are right under my nose. My main concern is having a way to cook when the power goes out. And it goes out frequently, not for very long……..yet.
    Thank You!
    Patti in SW MI

    • 41

      Prepared Housewives says

      I think it’s pretty great too! Just last week I was too lazy to make a fire to cook smores and so I took the rocket stove out instead and my kids had a blast! Let me know how it goes! Would love to see a picture when you’re done!

    • 43

      Prepared Housewives says

      Definitely some smart people! I’ve learned a lot from others and their comments too! I’m excited to post something someone just taught me today!

    • 45

      Prepared Housewives says

      It’s to help with the heat, and I think it also helps from the outside getting too hot. The 1st one I did didn’t have any, but the others do and it seemed to get hotter faster. You can also use sand, dirt, rocks, or really anything, or just leave it out. It helps stabilize the cans some too.

  10. 46

    Bill says

    Do not equate a good rocket stove with the flat folding units. The key to these stoves is to have a much hotter area around the wood to gasify it. This process called pyrolysis breaks down the wood before burning. Wood starts breaking down at around 300 deg C but really gets going good at temperatures around above 700 degrees Celcius. Then the tars and gases released during this process burn much more efficiently and cleanly with little smoke and less ash. That is the real purpose of the insulation, to keep heat in to heat the wood better.

      • 48

        betty says

        Is attic insulation safe to use in the rocket stove (as the insulation)? It seems so fluffy and tinder-like. I think I’ve seen other tutorials that suggested vermiculite or maybe even dirt or sand. Any thoughts? I’m fascinated with the rocket stoves and can’t wait to make one.

        • 49

          says

          Either of those will work fine to use for insulation. I just grabbed some insulation in the attic for mine, but dirt or sand would have probably worked just as good or better.

    • 51

      says

      Thanks for sharing! Love your site! The national debt you have at the bottom is depressing! It’s a good reminder why we need to get our stuff in order, since those looking out for us can’t!

  11. 52

    Gabriel says

    This is excellent, one thing I noticed you used cans with plastic lining on them, if they have that white lining that`s plastic but there are lots of types of cans that don`t have them. Tomato cans will always have a plastic lining.

  12. 54

    Layne says

    I use a cast iron griddle on top of mine and makes great pancakes. Really a hit at get-togethers and outdoor breakfasts and picnics.

  13. 55

    says

    This method looks GREAT – more portable than the larger version I’m also wanting to try. I recently ‘survived’ a wilderness training weekend, and I noticed we used a LOT of fuel. A stove like this would reduce our footprint AND our wood-gathering time. Thanks – I’m about to pin this!

    • 56

      says

      I want to do a wilderness training weekend! That’s on my bucket list ;) How did you cook your food?

      I really do love the rocket stove for that reason. It cuts the fuel and cook time way down.

  14. 57

    tommy smith says

    A better insulator if someone has a wood stove is ash from the wood stove. This can be modified to be used as a heater for the house as well. Look up rocket mass heater.

  15. 59

    KimD says

    Use to make something similar to this, but would use a tuna fish can and put corrugate cardboard in the tuna fish can and pour melted paraffin wax over it and than once it dried you would use this for the heat source. You would than use the top of the bigger can like a burner on a cooking stove. Or cook directly on it if you need to.

  16. 60

    Tim says

    Nicely done stove. One problem is that you need an extra can for the shelf so it would be 3 smaller cans instead of the two pictured. It’s a shame that some people miss the point of this. This stove was conceived to be an emergency use for when the SHTF. You use whatever fuel you have available and that won’t be propane or electricity, it will be twigs. Those same folks need to see a tutorial on how to start a fire without a lighter!!

    • 61

      says

      I went ahead and added an extra can to the materials! Kudos to you for being ultra-observant and catching that ;)

      I agree, I want most my alternative cooking methods to not depend on propane or electricity – that kind of defeats the point!

  17. 68

    Jack says

    Great post! Easy to follow and great photos! I am going to give this a try. I’ve seen some other You Tube videos for Rocket Stoves, but your instructions and photos appear to make the Rocket Stove more stable and well put together. I will likely use sand or fine gravel rather than insulation, but will go by all of your other directions. One question; do you know how long these last before the tin cans break down from the amount of hear being through them? I am assuming it would take several uses, but just thought I would ask. Thanks for posting this! It is good stuff! :-)

    • 69

      says

      Thanks for the compliments Jack!

      Good question about the durability. Some of the rocket-stoves we’ve done lately we’ve painted high-heat paint on it and that helps out a lot. My plain metal cans start looking bad fast, but still work great. It depends on if you leave it outside to rust, or take ok care of it. I’ve used mine about 20 times and it doesn’t need any replacing yet.

      Sorry, for all the incoherent rambling ;)

    • 70

      Jerry says

      Excellent design. I will add one thing. About an inch of sand or rocks in the bottom (just below the insulation around the edge) for stability.

  18. 71

    justin says

    Awesome idea, gonna be making one soon! Well explained and pictures help going over the process! Keep up the great ideas

  19. 73

    says

    I want to make one of these to use for camping. It’s never difficult to find some twigs out in the woods. I’m just not sure what size a #10 can is, is this like a paint can?

  20. 75

    James says

    I have looked around. I can’t find 28 oz cans that are tall instead of wide like in the picture. Am I a dunce or is it like that by nature?

  21. 77

    Char Dykewymn says

    Thank you for the pictures and details, it looks like it is very simple to build even with hand tools vs. power tools. I have a re+purposed circular plow disk (they are made of cast iron) that has been turned into a very large wok (3 angle iron legs and 2 handles) that I use while camping for cooking all meals over the campfire. This little rocket stove will be the perfect addition to allow me to cook on my wok when there isn’t a campfire available. I am excited to be able to use my wok anytime now and can’t wait to get my first rocket stove built.

    • 79

      Char Dykewymn says

      My wok stands about 1 foot off the ground so I’m pretty sure the rocket stove will fit underneath without any issue. Lifting the wok off the campfire while hot was always a scary experience (even with gloves) so this should make removing it from the heat so much easier.

  22. 83

    says

    Hey, thanks for the amazing tutorial! I taught a group of ladies at church how to make these last week, based on your tutorial and my fuzzy memories of the ones that we made for Girls Camp at church when I was about 12- and it turned out AMAZING, to say the least! We made them using different sized powdered milk cans, as #10´s and 28 oz´ers are hard to find here in Chile, but they worked awesome! When we finished them, I took one outside with some yeast scones to fry, and everyone looked at me like i was crazy- but we fired it up and within 3 minutes we were frying! And this past weekend we made some amazing fried fish for my mother in law for Mother´s day, and used next to no wood, it was great.
    I am going to be doing a write-up of how we made them, with the different sizes and everything, in Spanish, so that people here can see the amazingness in action. Can I borrow your pictures, also linking to you, until I can get my camera to decide it wants to talk to my computer? I will definitely give you credit, I just need pics for my dear friends that don´t speak English! lease let me know, and THANKS!

  23. 84

    says

    Woohoo! Thank you for this post!!! I just showed this post to my husband and he is totally intrigued! He says ‘lets make it together’. I can’t wait to build this stove. Thanks again.

    • 85

      says

      That makes me so happy! Have fun making it together! It would go perfect with your blog! You’ll definitely be baking outside the box!

  24. 87

    says

    One of more ingenuous designs (and simple also) I’ve seen. Thanks for sharing your tutorial. I’ll be passing it along including a link.

  25. 89

    Kaas says

    This is so awesome! The main thing I like about this version is the fact that it looks nice and doesn’t have many sharp edges.

    I do have a question though. Spraying it with high heat resistant paint will prolong its life, as I understand from your tutorial. But why not spray the complete inside? Isn’t that where it’s life can be prolonged as opposed to just protecting the outside? In other words, isn’t it better to spray paint the inside of the outer tin and the outside of the inner tin, as you cannot reach there anymore once the lid has been sealed?

    Just wondering if I need to do this before I finish up mine :D

    Kind regards,
    Kaas

    • 90

      says

      Great suggestion! Yes, that would be even better if you could spray it before you put it together! We didn’t think of spraying it until after we finished, but maybe I need to change up my steps now.

      I know I thought of doing that once but then forgot! Thanks for being two steps ahead of me!

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  1. [...] Letting your kids work on this kind of craft would develop their creativity and dexterity! This is a nice training that you can give to your kids! I’m sure they would be engrossed with this simple but creative indoor activity. In the end, they would love to wear the craft that they made. Truly satisfying moment for them!The full post can be found here [...]

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