#21  
Old 04-09-2010, 07:56 PM
Peasant
 
Join Date: Mar 2009
Location: Draper, Utah
Posts: 32
Default Re: Freddie's Fun Dome

I finally unwrapped the oven and got started building my first and second courses today. I've never done brick work before so this is all new to me. I am trying to make the transition smooth between each course of brick, but I'm getting a bit of a lip (overhang) between each course. I've been looking at pictures posted on the forum and noticed that most have a smooth transition between each course. I'm getting a little concerned about the rough transition between courses on my dome. The overhang is about 1/8" - not huge but not perfect either. Will this cause problems when I start using the oven? If so, do I need to take it apart and start over, or just live with it and do better with the rest? Right now I am almost half way done with the second course. Any suggestions?
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  #22  
Old 04-09-2010, 08:23 PM
Les's Avatar
Les Les is offline
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Default Re: Freddie's Fun Dome

Quote:
Originally Posted by Freddie View Post
The overhang is about 1/8" - not huge but not perfect either. Will this cause problems when I start using the oven? If so, do I need to take it apart and start over, or just live with it and do better with the rest?
It's a non-issue. You are working with brick, not machined steel. At the end of the day, you want the brick saturated with heat - the small step is not going to alter that.

Les...
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  #23  
Old 04-09-2010, 08:33 PM
Peasant
 
Join Date: Mar 2009
Location: Draper, Utah
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Default Re: Freddie's Fun Dome

Thanks Les - that just made my day. I was dreading the thought of having to break apart everything I've done so far.

Freddie.
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  #24  
Old 04-10-2010, 06:58 AM
eprante's Avatar
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Join Date: May 2009
Location: El Cajon CA
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Default Re: Freddie's Fun Dome

Fred,
Les is right, no worries about the small step. I had the same thing in my first course after the soldier, after that they lined up well. I was using the Indispensable tool. If you don't have one-get or make some form of it. I was like you, never having laid a brick. The tool helped a lot especially at the start. By the end of the dome I felt that I didn't need it, but at the beginning it gave me a lot of confidence.

What direction did you go with the mortar. I know someone that had difficulty with the FB mortar too. I used the homebrew recipe listed in the plans, it works like a champ( I am curing my dome now-we'll see about cracks).

Good luck,

Eric
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  #25  
Old 04-10-2010, 08:31 AM
Peasant
 
Join Date: Mar 2009
Location: Draper, Utah
Posts: 32
Default Re: Freddie's Fun Dome

Eric,
Forno Bravo sent me bags of their refrax mortar mix. They were really good to work with and replaced what I was sent without any hassle. Unfortunately, by the time I got the right mix I had only enough time to lay the soldier course then had to wrap it up for the winter. This new mix is much better and seems to be holding.

I don't have the version of the Indispensable tool everyone shows on the forum, but I made a homemade version of it. I just used a threaded rod and put a 1.5" long connector nut on the end. For each course I can twist the connector nut on the end to shorten the overall length and that will allow me to adjust the distance from the center of the dome to the course I'm laying. Probably not as good as the ones others are using but it does give me a good measurement for each brick / course.
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  #26  
Old 04-10-2010, 09:51 AM
eprante's Avatar
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Location: El Cajon CA
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Default Re: Freddie's Fun Dome

Fred,

If you are adjusting the radius often, then you are going to have to do it all the way up the dome. Try to do a whole ring with the same radius, then it will stay constant the rest of the way up the dome. Make sure it is centered.
Good luck
Eric
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  #27  
Old 04-13-2010, 05:57 AM
Serf
 
Join Date: Jun 2008
Location: Salt Lake City
Posts: 5
Default Re: Freddie's Fun Dome

I think its going to be just fine. Remember, you are constructing a circle from bricks with straight edges (tangents), so there's no getting around the slight irregularities.

Keep going and don't stress. This is the funnest portion of the construction in MHO.

Valen
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  #28  
Old 04-13-2010, 06:58 AM
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Join Date: Jun 2008
Location: USA
Posts: 59
Default Re: Freddie's Fun Dome

Freddie, I'm having the same challenge with my dome. As I reach the top, things are starting to get "jaggy." I have a grinder that I'm using to cut my bricks, and have thought about leveling the interior of the dome off. However, think of this...When the first oven builders were making their ovens, do you think they stood back and were concerned about some minor irregularities? I doubt it. They didn't have a forum like this to discuss different techniques or ingredients.

I'm thinking their ovens had several "issues." Still, I'm sure the food their oven produced was excellent.
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  #29  
Old 04-13-2010, 11:33 AM
eprante's Avatar
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Location: El Cajon CA
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Default Re: Freddie's Fun Dome

Nice perspective Dave, we all tend to get a little obsessive about joint widths, and our overall level of craftmanship. Probably a carry over from our need to be excellent in our "real jobs". I lurked in the site for months and remember seeing some builds where I thought, is that thing going to stand?. The only oven I can remember falling apart is one that didn't use the FB plans, and he then came to this site for advice. Lars cut all his bricks with a chisel and it turned out awesome. Our ovens will outlive us for sure.
Eric
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  #30  
Old 04-17-2010, 09:59 AM
Peasant
 
Join Date: Mar 2009
Location: Draper, Utah
Posts: 32
Default Re: Freddie's Fun Dome

Thanks for all the advice and encouragement. I now have a very basic question about the firebrick. Up 'til now I've been facing the factory finished side of the bricks towards the interior of the dome. Is there any harm in facing a cut side towards the interior? The finished side is smooth vs. porous on the cut side. To get the overall shape and height I'm trying for it would really help cut a little off on the face of the brick.

Thanks - Freddie
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