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Post by AlexHarpin on Sept 17, 2014 19:34:29 GMT -8
I worked on the heat riser tonight. 61" tall. Cant wait to give it a try.
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Post by AlexHarpin on Sept 15, 2014 15:03:03 GMT -8
Thank you!
It´s a bit heavy, yeah :-D... 3x25kg bags is needed for each side. The fire box is approx 12"wide 18" tall and 24" deep.
I live in Quebec and we have pretty rough winter so I tink it's gonna be the right size for our need. The house will be 3500sq/f on 3 level+ a loft.
Alex
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Post by AlexHarpin on Sept 14, 2014 18:16:36 GMT -8
Hi! Two year ago I builted a cob oven with my family. I started the project during the winter, I hand hewed some hemlock timber to build the base. I did the dovetail joint Filled the base with sand Did a concrete slab on it and a template for the oven Blended the cob with the family Also builted a temporary roof for it, I will built a timber frame one next summer, post and beam style. and we make good food in it on a regular base. that is pretty it! We had lot of fun building it and we still have lot of fun with friends and family when using it. If you have question or comments dont hesitate! thank you!
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Post by AlexHarpin on Sept 14, 2014 17:57:23 GMT -8
Thank you! I will share.
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Post by AlexHarpin on Sept 14, 2014 5:41:16 GMT -8
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Post by AlexHarpin on Sept 13, 2014 17:38:56 GMT -8
Hi Everyone!
I would like to share with you my experience of molding an 8"1/2 system. In fact I just molded the floor and walls of the firebox. The heat riser will be built out of insulated fire brick since I already have a bunch from previous experimentation.
Here a photo of the mould
I put tuck tape and varnish on it.
I will redo the right part on the photo cause I didnt had a vibrating table when I started it.
I have a sketchup modele of the mould and project but I dont know how to post it since its to big file.
Do not hesitate if you have any advice to give me. It is my first experience with casting and I'm really not a pro.
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Post by AlexHarpin on Sept 7, 2014 16:05:58 GMT -8
Hi Eric VW!
I saw on wikipedia that a self cleaning oven cycle temp is around 900F.
A wood stove glass can handle temp up to 1400F wich I think it is more appropriate for our need.
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Post by AlexHarpin on Aug 21, 2014 4:16:08 GMT -8
All right thank you for the advice. As I already have the bricks I will make some road test with it and I will pirchase hard bricks for the combistion chamber when building it in the new house.
What material are you using for the door, cast iron? Also it might be a stupid question but how many btu's that kind of system will produce?
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Post by AlexHarpin on Aug 21, 2014 0:19:17 GMT -8
Thank you!
You count how acceptability of margin of error in your calculations? Because building with brick seems to not be as precise as a cast mold.
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