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Coloradoredusa 04-30-2012 09:08 PM

The Backofen
Ok ..So I will start a thread for my new oven.. I was posting in getting started
forum.. don't think that was the right place.

So ..I don't have a lot of room to play with in the back yard and I wanted the oven to be smaller, so I read over the plans and sorta customized the plans for what I have room for.

I went to Denver today and picked up the Fire bricks and Heatstop 50 at Threewit Cooper Supply. The Bricks were $1.82 a piece.

I laid the FB board down on my hearth and started to lay the bricks out in the herringbone pattern.. I have to say that it was a sense of small accomplishment that I am this far!

I measured in from the edge of the brick 4.5 " to leave room for the brick and
ended up with a 28" circumference usable floor.
Next up is the Sailor course to start the dome..!
I know it is small ,but that is what I have room for.

Any suggestions?

Trellis :cool:

Les 04-30-2012 09:47 PM

Re: The Backofen
You have space for insulation, right? What do you have in mind for a covering?

Coloradoredusa 04-30-2012 10:06 PM

Re: The Backofen
Hi Les.. I do have space for insulation.. I have the FB Board underneath, and I have a 50 ft roll of ceramic blanket.Is that what you are talking about? Still not sure if I am going to enclose the dome or not.

Trellis :cool:

deejayoh 04-30-2012 10:54 PM

Re: The Backofen
What did you decide on the interior height?

Coloradoredusa 04-30-2012 11:05 PM

Re: The Backofen
I spent some time with a friend today who is very capable with his auto cad and we came up with 15"..... I think that is around the 65 % of the door height of 8.75" ..does that sound right?



deejayoh 04-30-2012 11:34 PM

Re: The Backofen

Originally Posted by Coloradoredusa (Post 130797)
I spent some time with a friend today who is very capable with his auto cad and we came up with 15"..... I think that is around the 65 % of the door height of 8.75" ..does that sound right?



Yeah, with a 28"circumference - and a 5/8 piece of plywood under your IT - that is a pretty even radius.

8.75" might be a little low for the arch height? 15" x 63% = 9.5". I would cheat to the high end on such a small oven and go somewhere from 9.5-10", just to have more headroom to get bigger items in and out. My $0.02, FWIW.

Coloradoredusa 05-01-2012 05:11 AM

Re: The Backofen
Wow.. I was thinking the same thing .. I told my friend that it seemed a little low..I think I will go a little higher, like what you said..I will post pics hopefully today.. it was just about dusk last night when i got finished.

Trellis :cool:

Neil2 05-01-2012 05:32 PM

Re: The Backofen
Don't depart too much from the 63% ratio. Your oven may sufferr from a loss of efficiency.

Measure the height of the oven opening on your indoor range from the bottom rack to the top opening. I think you will be surprised.

Lburou 05-01-2012 07:04 PM

Re: The Backofen
Where are your pictures Trellis? :)

Coloradoredusa 05-01-2012 10:27 PM

Re: The Backofen
2 Attachment(s)
I set the floor. From what I have read you don't lay the bricks on anything .. just the insulation? I cut my first bricks today..I need to go buy another blade for the borrowed saw..will do that tomorrow A.M. The plans also say there are 3 ways you can set the first also says that you dont have to cut anything on that course..correct? I am going with the sailor course..

I am open to all help.. comments etc.. from all of my fellow builders.. looking at all of your builds helps me... also with your experience..I will say thank you in advance!

Two pics of the floor and the 1st brick I cut!

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