First, cut a circular metal mesh the exact size of the inner diameter of the bucket.
Next, remove the handle from the metal bucket. Using a ruler and a marker, mark a 20 x 20 cm square from the bottom front upwards. This space will be the main opening.
Using an angle grinder, carefully cut out that square.
Step 2: Strategic Drilling
About 3 cm below the square cut, draw a line around the entire circumference of the bucket. Make approximately 20 holes, each about 3 cm in diameter, along this line.
Next, about 6 cm below the top edge of the bucket, make another 10 holes aligned horizontally around the circumference, this time about 2 cm in diameter.
These perforations allow for proper ventilation and air circulation, which is essential for efficient combustion.
Step 3: Installation of the Rods
Cut 5 threaded metal rods:
- 3 pieces of 10 cm
- 2 pieces of 18 cm
Insert the rods through the smaller holes, using two holes per rod to make them firm and form an internal base.
Place the previously cut circular metal mesh on top of these rods. This will serve as a support for the stones.
Step 4: Preparing the Stones
Place large stones in a plastic container and wash them thoroughly to remove dust or dirt. Let them dry completely before using them.
Once dry, distribute them evenly over the metal mesh inside the bucket.
The stones will be responsible for absorbing and retaining the heat.
