Step 10Final Notes From Tom
Pizzas were great – I think I need to get the oven hotter – they were taking 4-5 minutes to cook fully. but they still tasted fantastic.
Start time to finish – roughly 10 hours. Five hours Friday night – much of that was hauling the concrete blocks and fire bricks from the front of the house to the back. I did all of that myself. Also got base assembled and hearth laid.
9am-2pm (5 hours) on Saturday had 2 friends assist. Built side walls, drilled angle-iron, built curved roof jig, built roof and applied the mud. Fired oven for one hour to heat/cure.
Pizza in belly by 2:10pm…
Notes:
1. I did add another set of bricks on each side of the door to make the opening smaller, it seemed too large to me (that took six bricks)
2. Oven was still pretty warm 4 hours after fired died out. I’ll try to take some temps with my infrared thermometer of heat decay
3. Clay/Sand – we did a 1:1 mix. It seems very grainy and brittle – lots of cracks. May try another batch with less sand and put over the current one.
4. Clay flue liner cracked within a few minutes, seems to be holding together, but maybe we need to heat more slowly the first time
Future experiments:
1. Wrap exterior in ceramic fiber insulation blanket while running… try to get heat up.
2. Build a door
3. Fire to heat then record temp decay with as is, and with blanket, and with door. Want to test feasibility of pre-heat then baking bread or roasting chicken with out fire burning.
UPDATE:I got an email and a photo from Tom telling me about his attempt to cook a whole chicken in the oven. From the description and the looks of the photo, I think he got it right on the first try.
"Tried roasting today… have to keep a small fire going as the temporary oven doesn’t hold enough heat. Otherwise, fantastic.
Did two chickens. One in a roasting pan, one “Beer Can” style. Plus a dish of potato, carrot and zucchini.
Best chicken I’ve ever cooked.
Took about 90 minutes to roast, stayed nice and moist, outside was deeply browned."
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