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DIY Rocket Stove / Rocket Mass Heater Plans & Instructions
Materials Needed To Make Rocket Heater
2 tall cans about 6 inches across and 10 inches tall. (We used paint cans)
1 piece of aluminum flashing about 3 ft long.
Utility knife / Box cutter/ Knife Pliers
Create Feed Tube
Measure and then cut a piece of flashing 8 inches long. Using the edge of a table or a square edge, bend the flashing into a square or whatever shape you want. This is the feed tube for your heater.
Cut Hole for Feed Tube
With a pen, trace the edge of your feed tube on the side of the can you will be using as the base. Use your knife to cut the hole in the side of the can by pressing the knife firmly down and through the metal. Once your hole is cut, fit your feed tube into the hole about 1 1/2”deep and adjust fit as needed.
Create Stand Tube
Stack your two large cans and measure the distance from the base to the top. You need to allow 1 inch for flow, so subtract one from the measurement of the total height. Measure and cut a piece of flashing from that measurement and roll into a tube. This is your stand tube.
Cut Hole for Stand Tube
Place your stand tube on the base of your top can. Then, trace and cut a hole in the base of that can the size of your stand tube.
Cut Stand Tube to Fit Feed Tube
Remove feed tube from first can and trace and cut its opening in the side of your stand tube. Replace the feed tube into the base can and fit the stand tube over it. The fit does not need to be exact but should be close. Some gaps are ok.
Cut Hole in Bottom Can
Trace stand tube onto lid of bottom can. Cut and remove that piece as you did the other hole.
Put the heater together by stacking your two cans, placing the stand tube over the feed tube.
Cut Vent Holes
The top of the top can needs to have vent holes cut in it. Use your knife and cut a series of holes around the top edge.
Your heater is ready to use. Burn stove in a well ventilated area. Do not burn your rocket heater indoors. Children should use only with adult supervision.
Do not use anything galvanized in this process. Galvanized metal creates toxic fumes when heated. Wear gloves when cutting metal. The edges can be very sharp.
Let us Show You How to Make a Rocket Mass Heater:
We are working on another video that shows you how easy it is to use your new rocket heater / stove and also a printable .pdf
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