How to Build a Rocket Stove

Have you ever thought of different ways you could use items laying around your home? Well, you wouldn't be the first! Learning how to reuse items in the home is a great way to learn how to become more self-sufficient and well, have a little fun! In the past, we've discussed the many uses of how to use a #10 can for baking garlic herb cheese bread, as a lantern or plant pot. Today, we are going to show you how to make a rocket stove!

Supplies Needed for Rocket Stove:

DIY Rocket Stove

  • Dremel Tool
  • Tin Snips
  • Metal File
  • 1 - #10 Tin Can with metal lid
  • 2 - 28oz Tin Cans
  • Insulation (grab some from your attic!)
  • Sharpie
  • Gloves
  • Safety Goggles
  • Hanger
  • High-Temperature Paint (optional)

*** Before starting this project, keep in mind that you'll be handling insulation that has fiber glass and using a tool that'll spark when cutting through metal. It is important to wear gloves and safety gloves at all times.

STEP 1

With one of the 28 oz cans,  trace a circle with the sharpie at the bottom of the #10 can. Leave just a little bit of space like the picture below. We recommend that you have someone else hold the 28 oz can while tracing.
DIY Rocket Stove DIY Rocket Stove DIY Rocket Stove

STEP 2

Trace one of the 28 oz can on the #10 cans lid and then cut with the Dremel tool or Tin Snips. I found that the Tin Snips were easier when cutting straight lines.DIY Rocket Stove

STEP 3

At the top of the #10 can, draw 2-inch lines on each side of the can and then 2 1/2-inch lines around the remaining circumference. The 2-inch lines will be where you install the handle. Cut the lines with the Dremel tool or Tin Snips.

On the 28 oz can that you'll be inserting through the #10 can and remaining 28 oz can make sure to remove the top and bottom opening. Next, draw 1-inch lines around the circumference and cut with either a Dremel tool or Tin Snips.

DIY Rocket Stove

STEP 4

Next, trace the 28 oz can that will be inserted into the other. Cut with your tools once finished. Once finished with all of your holes, use a metal filer to soften the edges.DIY Rocket Stove

STEP 5

It is DEFINITELY a lot easier to insert the can when the 1-inch edges are cut. See the example below.  Make sure you are wearing gloves during this process! Regardless of how careful you are, you can still get pretty scratched up.

DIY Rocket Stove

STEP 6

To install, line up the #10 can and 28 oz can like the picture below.

DIY Rocket Stove

STEP 7

Next, insert the can with no hole through. Lightly push back the cut pieces to secure the can.

DIY Rocket Stove

STEP 8

While still wearing your gloves, fill the outside edges with insulation. Make sure to pack it down till it is at the rim of the can in the center.

DIY Rocket Stove

STEP 9

Fold down 4 of the 1-inch tabs. Use a hammer to secure them. Next, lay the metal lid on top and then fold down the remaining 1-inch tabs.
DIY Rocket Stove

STEP 10

Spray paint the #10 can and hanger handle with your choice of high-temperature paint! Put the can in a place where there is enough ventilation. Leave the #10 to dry for a couple of hours. If there are any discrepancies, spray again.

DIY Rocket Stove DIY Rocket Stove

Next, drill a hole on each side flap and insert that wire hanger, Make sure it is bent to the shape of the #10 can.

DIY Rocket Stove

Last step! Light it up and roast some marshmallows!

What is your favorite food to roast over an open fire?

2 thoughts on “How to Build a Rocket Stove”

  • bruce

    first - "Insulation (grab some from your attic!)" ... I'm not sure where you live but high temp insulation is not in anyone's attic around here and that fiberglass stuff will just melt. Maybe try some mica, or pearlite?
    And that's not near high enough to reach the efficiency of a rocket stove. The design rule of thumb is 2.5 to 3 times as high as the diameter or the burn chamber. So for example using 4" tube the length above the burn chamber would need to be 10 to 12" long.
    All that we have pictured here is some sort of can stove?
    The sweetest part of a true rocket stove the the total combustion of the fuel and the temperature reaches high enough to burn off an extra molecule and convert deadly carbon monoxide to relatively harmless carbon dioxide.
    It's the extreme efficiency that makes the true rocket stove design so popular in areas that have little fuel (or can't afford) to waste.

    Reply
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