2008 MHA Annual Meeting

4 Hr. Pat Manley Oven

4 Hr. Oven with Pat Manley
As soon as we realized that we couldn't get the geodesic oven dried in time, we had to build a backup oven, fast. Luckily, we had lots
of experienced oven building talent available. Tom Trout (right) donated the steel harness system, which he uses on his ovens.

4 Hr. Oven with Pat Manley
Layout.

4 Hr. Oven with Pat Manley

4 Hr. Oven with Pat Manley
The sidewalls went up fast.

4 Hr. Oven with Pat Manley

4 Hr. Oven with Pat Manley
12x12 firebrick tiles for the hearth.

4 Hr. Oven with Pat Manley
Skew course is in place. Steel harness is being installed, which will absorb outward thrust from the
firebrick ceiling vault, which takes place at the skew course.

4 Hr. Oven with Pat Manley
Styrofoam centering.

4 Hr. Oven with Pat Manley
Marty Pearson does the vault layout. Every third brick is a #1 taper (a standard refractory shape).
This allows for thin joints, and minimized the amount of wedge shape joints.

4 Hr. Oven with Pat Manley

4 Hr. Oven with Pat Manley
The vault is in progress in the back, as Pat and Marty finish up covering the styrofoam with bendable thin stock (cardboard, in this case).

4 Hr. Oven with Pat Manley

4 Hr. Oven with Pat Manley
The vault is built in rings, for speed. Normally, Pat does a running bond on the vault.

4 Hr. Oven with Pat Manley
I even got to sling some mud.

4 Hr. Oven with Pat Manley

4 Hr. Oven with Pat Manley
4 hours from starting, it was ready for a curing fire..

4 Hr. Oven with Pat Manley
Marty tries to amp up the fire by using the exhaust air from a Makita 6013BR 1/2" drill, favorite tool of the heater mason.