Thanks to some nice warm days here in Austin, I have completed the dome. Next step is the vent and chimney, then the facade. Hopefully this will be ready to go by the time the evenings get warmer in late March. You can refer to my blog for a few more photos of the construction.
I cut each brick into thirds, to make the walls approximately as thick as the floor (3 inches), and of a comparable thickness to some of the commercially manufactured ovens.
I used a quater-circle form to set the angle of the first nine rings of bricks. With the buttery-smooth Heat Stop 50 mortar, these rings were self-supporting. On the ninth ring, I had a little trouble keeping everything in place, so I made a set of styrofoam vanes to hold everything in place.
It is a hemispherical dome, with a radius of 21 inches.
I cut each brick into thirds, to make the walls approximately as thick as the floor (3 inches), and of a comparable thickness to some of the commercially manufactured ovens.
I used a quater-circle form to set the angle of the first nine rings of bricks. With the buttery-smooth Heat Stop 50 mortar, these rings were self-supporting. On the ninth ring, I had a little trouble keeping everything in place, so I made a set of styrofoam vanes to hold everything in place.
It is a hemispherical dome, with a radius of 21 inches.
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