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Post by james9 on Feb 5, 2018 22:39:41 GMT
The cuts are normally templated which takes a bit of time and it’s hit and miss cutting with angle grinders. The plan is for a brick skin around the base (may pay a local brick layer), painted render for the dome, second hand granite for the surfaces if I can find enough on ebay, a fairly high entrance with an additional brick skin. The location is really open to the weather so the oven needs protecting as much as possible.
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Post by simonh on Feb 6, 2018 10:19:48 GMT
^^^ agreed, that is very nice work!
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Post by R.i.c.h.a.r.d on Feb 7, 2018 19:52:14 GMT
Hi, i’m new to this and plan to build a WFO myself. Roughly how many bricks have you used to create the dome and what size base did you go for? I’m trying to create a list of materials that I would need. Thanks.
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Post by slen916 on Feb 7, 2018 22:13:32 GMT
i think i used about 210 bricks for oven floor and dome,the floor is 1m wide
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Post by james9 on Feb 8, 2018 12:51:36 GMT
Base is 90cm (approx 35.5 inches) & I ordered 189 bricks which is cutting things too fine, ok for the dome but unlikely enough to fully complete the entrance/chimney. There's a spreadsheet for cutting angles and volumes and whilst the actuals are coming out less, it will be very close.
The question you need to decide before ordering is whether the build is thin joint (Tring, Oxford, Cornwall builds) or fat joint (majority of builds and in the Forno Bravo plans ). Both methods have their merits; thin joint should be stronger, is more aesthetical but uses more bricks, has 3 times more cutting which makes the dome build much slower, 100-200 hours more work and 3 or 4 more angle grinder blades is no exaggeration. If you have access to a professional cutting saw and rig then it would be a lot quicker.
Fat joint is a more forgiving method using hombrew to create the vertical angles and fill in the horizontal joints which tend to be larger, it's much faster, uses less bricks and is a bit less stressful to build though the aesthetics are not quite the same.
Why did I order 189 bricks (GD42, 230x114x76) and not more? I thought 90cm would require less bricks than 110 or 100cm builds and quite a few people on the forum say they over order, this might be true but it also depends on fat/thin joint build method. Ordered from Kiln Linings as they're cheaper than Vitcas but you can only order 1 tonne per pallet and the postage is c£60/pallet. On their website each item has a standard weight, 1 brick = 4.6kg so my order was right on the 1000kg limit once mortar and other items were included. The actual consignment weight given on the pallet came in around 940-950kg so I phoned KL and asked had the website order been 1005kg would they have charged twice for postage, the answer was "yes" which is completely unfair, I would have ordered more bricks had I known the final consignment weight but their systems don't allow manual or phone orders. To be fair Kiln Linings are nice people and did try to engage on the subject,"weights can vary, pallet sizes vary" etc but overall it wasn't satisfactory and I told them they missed out on additional sales because their standard weights are intentionally wrong. The bricks are ok but not brilliant with quite a few large chips on the edges which isn't a major problem because I'm cutting bricks on 4 sides.
Going to Vitcas for addition supplies, more expensive but more flexible.
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Post by james9 on Feb 25, 2018 22:37:12 GMT
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Post by james9 on Mar 26, 2018 11:08:41 GMT
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Post by oblertone on Mar 27, 2018 13:20:15 GMT
Very clean looking build, well done !
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Post by james9 on Apr 4, 2018 17:04:50 GMT
There are 5 thermocouples built in and this one is 150mm long and was intended to get the air temperature, its a bit of an experiment as 75mm is exposed and the rest is under a brick so I may just end up with brick temperature if that's hotter.
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Post by james9 on Apr 4, 2018 17:13:25 GMT
Soldier course + 11 rows completed. I ran out of bricks (Kiln Linings) and got some more from Vitcas, the latter are more expensive but the quality is significantly better and they're easier to cut although they produce a lot more brick dust. Who would have thought GD42s could be so different. The gap isn't entirely circular and I need to decide how to close the dome?
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Post by crammy on Apr 5, 2018 9:29:09 GMT
that looks absolutly stunning.
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Post by simonh on Apr 5, 2018 13:29:38 GMT
Agreed that is a great looking build
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Post by james9 on Apr 5, 2018 14:48:40 GMT
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Post by simonh on Apr 7, 2018 12:19:01 GMT
That really does look good.
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Post by oblertone on Apr 7, 2018 15:53:25 GMT
You're going to need lots of bulbs for that light !
Seriously neat build; pizza here we come !
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