#21  
Old 09-11-2010, 05:07 AM
Tscarborough's Avatar
Il Pizzaiolo
 
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Location: Ausitn
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Default Re: Swampys Refractory cast oven

You are going to have major issues in removing your cast from the mold. You need to cut the circle into at least 2 parts, preferably 3, and fine sand all edges so that they are inclined to remove the mold. Each section of mold should be several parts, or you can not get it out without breaking the cast.
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  #22  
Old 09-11-2010, 03:41 PM
Peasant
 
Join Date: Aug 2010
Location: Hamilton,NewZealand
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Default Re: Swampys Refractory cast oven

the mould will be in three parts,but I need to form my dome before I can put in the partitions.Will look something like this.

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  #23  
Old 09-14-2010, 05:12 PM
Peasant
 
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Default Re: Swampys Refractory cast oven

plastered my dome.ran out of plaster and still need a little packing to make it more domeish but nearly ready for the pour.


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  #24  
Old 09-14-2010, 10:53 PM
Laborer
 
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Location: Christchurch, New Zealand
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Default Re: Swampys Refractory cast oven

Hi Swampy looking good.
Are you going to pour the base inside or have the dome stand on the base?
How are you getting on with the castable?
Regards
Bart
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  #25  
Old 09-14-2010, 11:29 PM
Peasant
 
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Location: Hamilton,NewZealand
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Default Re: Swampys Refractory cast oven

the base is going to be firebricks so the oven will sit on the bricks.
cheapest refractory concrete I can find is $57 from placemakers in huntly.The local troweltrade depot can get the kerakast 145 from crow for $59 for me and thermal blankets for $90 each(1.2x5m)not a bad price.will probably get all my stuff from troweltrade as they look after me(im a tiler)

Last edited by Swampy; 09-15-2010 at 01:40 PM.
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  #26  
Old 09-15-2010, 11:16 PM
Laborer
 
Join Date: Dec 2009
Location: Christchurch, New Zealand
Posts: 78
Default Re: Swampys Refractory cast oven

Hi swampy,
Yeah fair enough. will cost a mint all up but will be worth it.
I've put my claim into the EQC for the the earthquake damage. so hope to start again this weekend.
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  #27  
Old 09-27-2010, 06:53 PM
Peasant
 
Join Date: Aug 2010
Location: Hamilton,NewZealand
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Default Re: Swampys Refractory cast oven

things have changed abit and im going to cast a smaller 7000mm oven instead.
i made the dome form from plywood framing lined with tin.fibreglass is going over the top to make it supper smooth then iv just got to figure out how to make a form for the outside that conforms to the inner dome.thinking cap on.


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  #28  
Old 09-27-2010, 07:30 PM
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Default Re: Swampys Refractory cast oven

7000mm? I don't speak french but that's a big oven:

Quote:
7000 millimeters = 275.590551 inches
More about calculator.
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  #29  
Old 09-27-2010, 08:13 PM
Peasant
 
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Default Re: Swampys Refractory cast oven

Quote:
Originally Posted by dmun View Post
7000mm? I don't speak french but that's a big oven:
oops,i mean 700 mm(28 inches)
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  #30  
Old 09-30-2010, 01:39 PM
Peasant
 
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Location: NEPA
Posts: 27
Default Re: Swampys Refractory cast oven

27" is fine. My bread oven is 27" and when making pizza I can do 2 10" pies at a time.
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