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There has been some good discussion on the two oven dome designs recently, so I thought I would write up a summary of the advantages of each design. Also, I have re-written the Oven Dome page to lower the target interior dome height for the oven to 14.5" for the 36" oven and 15.5" for the 42" oven (which is what the Casa ovens are). When the first few low dome ovens are built, I would like to include photos and descriptions of the technique for setting the course of cut bricks that set the inward angle.
This should help answer some of the questions new builders might be asking themselves.
And as always, I want to point out that there is no right or wrong Italian oven design, and express my concern (again
) over the shouting that there is only one real Italian oven and that everybody else has it wrong. It's not true, and it is bad for everyone. And it does not help people who are looking to learn, or build a great back yard oven, or install an oven in a pizzeria.
Here goes:
The Tuscan oven has a higher dome and as a result of the larger volume of the oven chamber, it can have a larger opening and still hold heat. That opening makes it easier (or even possible) to put large roasts and wider baking pans in the oven. Also, there is a larger air space in the dome, above the oven opening, that holds heat. In a 42" backyard oven, the internal dome height is about 19"-20", and the opening height is about 12", leaving 7"+ inches of space for heat storage. That is why the oven is better at retaining heat for baking and roasting, and will use less wood while cooking.
The Naples oven has a dome height of about 15" and an opening of about 11", leaving less of a cushion. The roots of the Tuscan oven goes back to the zillions (a technical term) of brick ovens you see throughout the Tuscan countryside that were the primary family oven. It's a general purpose oven, but it can also cook Pizza Napoletana. There are restaurants with the higher dome oven consistently cooking 90 second pizzas at 800?F.
The Naples oven has a lower dome and consequently smaller oven opening. While it is not as efficient as the Tuscan oven, it is know for its ability to make pizza. The lower dome is more efficient at bouncing heat from the fire and reflecting heat from the refactory dome down on the cooking floor. My own unscientific analysis, through talking with home owners and from looking around the countryside, is that there are fewer residential pizza ovens in the countryside around Naples. But I think that is more of a historical and economic artifact than anything else. Also, there are a handful of oven builders in Bari, in the south, but on the east cast, and they make the high dome oven as well.
Plus, the Naples oven does a great job of baking and roasting as well.
I'm a stuck-record on this, but I'll say it again -- you can't go wrong with either oven. The different between having a wood-fired oven and not having a wood-fired oven is huge, enormous, either for a homeowner or a restauant. It makes all the difference in the world. Once you get that far, the differences between the two ovens really are really very small. The difference between a barrel vault oven and a round Italian oven are huge compared with the differences between the two Italian ovens.
Hope I didn't bore you with this -- and I hope it is helpful, especially for folks starting to research this for the first time.
James
This should help answer some of the questions new builders might be asking themselves.
And as always, I want to point out that there is no right or wrong Italian oven design, and express my concern (again
) over the shouting that there is only one real Italian oven and that everybody else has it wrong. It's not true, and it is bad for everyone. And it does not help people who are looking to learn, or build a great back yard oven, or install an oven in a pizzeria.Here goes:
The Tuscan oven has a higher dome and as a result of the larger volume of the oven chamber, it can have a larger opening and still hold heat. That opening makes it easier (or even possible) to put large roasts and wider baking pans in the oven. Also, there is a larger air space in the dome, above the oven opening, that holds heat. In a 42" backyard oven, the internal dome height is about 19"-20", and the opening height is about 12", leaving 7"+ inches of space for heat storage. That is why the oven is better at retaining heat for baking and roasting, and will use less wood while cooking.
The Naples oven has a dome height of about 15" and an opening of about 11", leaving less of a cushion. The roots of the Tuscan oven goes back to the zillions (a technical term) of brick ovens you see throughout the Tuscan countryside that were the primary family oven. It's a general purpose oven, but it can also cook Pizza Napoletana. There are restaurants with the higher dome oven consistently cooking 90 second pizzas at 800?F.
The Naples oven has a lower dome and consequently smaller oven opening. While it is not as efficient as the Tuscan oven, it is know for its ability to make pizza. The lower dome is more efficient at bouncing heat from the fire and reflecting heat from the refactory dome down on the cooking floor. My own unscientific analysis, through talking with home owners and from looking around the countryside, is that there are fewer residential pizza ovens in the countryside around Naples. But I think that is more of a historical and economic artifact than anything else. Also, there are a handful of oven builders in Bari, in the south, but on the east cast, and they make the high dome oven as well.
Plus, the Naples oven does a great job of baking and roasting as well.
I'm a stuck-record on this, but I'll say it again -- you can't go wrong with either oven. The different between having a wood-fired oven and not having a wood-fired oven is huge, enormous, either for a homeowner or a restauant. It makes all the difference in the world. Once you get that far, the differences between the two ovens really are really very small. The difference between a barrel vault oven and a round Italian oven are huge compared with the differences between the two Italian ovens.
Hope I didn't bore you with this -- and I hope it is helpful, especially for folks starting to research this for the first time.
James
. I look forward to feedback here as these two more aggressively low dome ovens are built. I certainly did not find any difficulty with my dome construction even without forms - it was the easiest brick oven I've ever built. I imagine there is greater risk with a lower dome that outward force will not balance gravitational force. Buttressing or other reinforcement around the soldiers might be helpful. I wonder if the picture of the falling brick from the dome of a brick oven posted about four-six months ago on the Pizzamaking.com site was a low dome or a high dome oven?
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