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2011 MHA Annual Meeting

3' x 3' Bake Oven with Pat Manley

Photo credits: Norbert Senf

Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley
Pat started the workshop with an introduction to wood fired ovens, and a description of the materials and techniques that would be
used. Here  he is showing a tapered arch brick.

Brick Bake Oven with Pat Manley
Firebrick hearth layout, arch forms, mineral wool insulation, soapstone sample.


Brick Bake Oven with Pat Manley
The oven floor bricks sit on a mortar bed, which sits on a 4" sand bed in this case. Normally the bricks would sit on a cast slab
sitting on insulation such as Foamglas/

Brick Bake Oven with Pat Manley
Hearth bricks, with separate perimeter bricks for the oven walls.
Oven floor is 36" wide, which is 4 firebricks.

Brick Bake Oven with Pat Manley
Walls;

Brick Bake Oven with Pat Manley
Form for dropped arch in front, which creates a bell for the gases in the rear.

Brick Bake Oven with Pat Manley
Skew course can be seen on the right.
Pegboard will cover arch forms to create a barrel vault.

Brick Bake Oven with Pat Manley
Skew brick project on right to form a support for the steel harness, later.

Brick Bake Oven with Pat Manley
The front of this dropped arch forms the rear edge of the exit throat. Bricks are rounded are chamfered at the bottom front,
and much more so in the rear.

Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley
Door arch.

Brick Bake Oven with Pat Manley
Steel harness in place.
During teardown, as soon as one of the 4 bolts on the 2 threaded rods was removed, the vault collapsed.

Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley
Completed vault.
Jeff Owens lays brick on the outer facing. Normally there would be a larger gap, filled with insulation.

Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley
Arch forms being dropped. Oven is almost ready to fire.


Lighting a top down fire.

Brick Bake Oven with Pat Manley


 
Almost ready for pizza.




Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley


Local morel special.

Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley


Brick Bake Oven with Pat Manley


The floor buckled up in the centre. Likely from the outer concrete block supports sinking into the sand
due to the weight carried by the oven walls.

Brick Bake Oven with Pat Manley
Teardown.


Somebody removed a bolt from the harness to early, with sudden results.


Collapsed vault.

Brick Bake Oven with Pat Manley


Heat conducted downwards through the sand underneath the hearth, and scorched the supporting
particle board table tops.


 

See also,

2010 Photo Report

2009 Photo Report

2008 Photo Report

2007 Photo Report
2006 Photo Report
2004 Photo Report
2003 Photo Report
2002 Photo Report
2001 Photo Report
2000 Photo Report
1999 Photo Report
1998 Photo Report
1997 Photo Report

This page was last updated on May 1, 2011
This page was created on April 24, 2011

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