#21  
Old 11-08-2006, 08:46 AM
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Jahysea:


Yes, you could correct the unleveled ones later. I believe that could be easier to level them early.
Thinking about the gaps, I could see now that your door is going to close the semi circumference completely. Sorry by this mistake.

Go for your dream!



Luis
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  #22  
Old 11-11-2006, 07:51 PM
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Default Closing the Dome

The rain in Nor Cal held off today and I made great progress and got the dome closed.

I did as suggested and placed some flashing over the forms to get a smoother surface. I disliked not having access to the bottoms of the bricks, and I did lose alignment some between courses and even between individual bricks.

I continued to make trapezoids with more aggressive angles as I went upward. I made the second to last course out of shallower half bricks, came out well.
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  #23  
Old 11-11-2006, 08:03 PM
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Default Finished Dome

Immediately after closing up the dome I ripped out all the forms and climbed inside to wipe down a bit. I'll scrub it out tomorrow, but I got the worst of the mortar off the last few courses today while it was still wet.

I'll go read all the posts about curing now.
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Saint Helena Oven-img_3948.jpg   Saint Helena Oven-img_3949.jpg   Saint Helena Oven-img_3950.jpg   Saint Helena Oven-img_3952.jpg   Saint Helena Oven-img_3953.jpg  

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  #24  
Old 11-12-2006, 04:05 AM
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What a great fit. It's not easy to get the top of your dome looking that good, and you've done a great job. Congratulations.
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Old 11-12-2006, 06:43 AM
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Excellent work. The dome is beautiful.

Who climbed into the oven to take the dome photo?

James
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  #26  
Old 11-12-2006, 07:56 AM
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Those tapered bricks at the peak of the dome look great, well done! I haven't heard others who built with forms taking the forms out right away after completing the doome but to me it seems like the right thing to do. If your lower dome is firm it should be quite stable immediately and it's good to have the weight of the bricks leaning in on those mortar joints rather than risk having the form prevent compression on the mortar and ending with a loose joint. I bet that's the reason for some of the brick dome cracks that have been reported here. Here's to no cracks in your dome !
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  #27  
Old 11-12-2006, 08:19 AM
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Default Thanks

dmun, thanks. My brickwork is preschool compared to yours but I'll take it.

James of course I just stuck my arm in to take the photo, but I did crawl in there (upper torso only) a couple of times to clean. I did it a couple of times because it took about 30 seconds after crawling in the first time to realize I absolutely needed my safety glasses. Mortar raining down on me lying on my back!.. More cleaning needed today, I might send one of the six year olds in with a promise to go to the ice cream store if he does a good job!

Maver, I think you are right. I was able to correct alignment of that last little row a little bit and remortar the outside as well, so I know those bricks are all settled and standing on their own. And there was no issue with anything falling in. I took the forms out 5 minutes after setting the last brick.


Probably going to see if I can get the front arch complete with hole for chimney vent today so that can cure for a week or so with the oven before I light a small fire.
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  #28  
Old 11-12-2006, 08:40 AM
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Default Beach ball support ?

(M) GREAT WORK, jahysea!

(M) Some of your images suggest that you used a beach ball for support. If so, would you share the size, __ and particulars as to where you got it? __

Thanks and

Ciao,

Marcel
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  #29  
Old 11-12-2006, 01:18 PM
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Quote:
Originally Posted by Marcel

(M) Some of your images suggest that you used a beach ball for support. If so, would you share the size, __ and particulars as to where you got it? __

Thanks and

Ciao,

Marcel
Hi Marcel, It does look like a beach ball in the pictues, but it is not. I used 1" insulation board to make forms for the dome and placed them inside before I started. Toward the end I covered those vertical forms with lightweight aluminum flashing to get as smooth a surface as possible to set the final 4-5 chains onto.

I think the beach ball is a good idea though. If I were starting over I'd use shims to get as far up as possible, then I'd use a beach ball or wood form from the inside to set the final chains. I think my chains would have come out much more flush with that method.
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  #30  
Old 11-13-2006, 07:22 AM
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hey, the whole stand and dome look great realy cant wait to start mine there are so many good looking jobs out there i am stating to get confussed. how long till you start the flue would love to see pictures of that. good lucke ,looks great.
Ronnie
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