Mark C.'s Profile
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- 09-January 12
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Posted 18 Jun 2013Here is what you do;
1.Pour off the surface water into a clean container. You will be returning it to the glaze later.
2. Get you pear corer [large trimming tool] Loosen up all the glaze.
3.You may even have to pour it out onto a canvas.
4. Pour the water back in.
5.Gradually add the glaze, using a drill with a paint stirrer.
6.Once you have all the glaze back in, add enough water to make the glaze the consistency of cream.
7.Sieve through an 80 mesh sieve into a clean pail.
8.Wash original pail. Then sieve glaze back through a 100 mesh sieve.
9. You do not need Epsom salts. The reason glazes go rock hard immediately, is because they do not have enough clay in them. Friitted glazes are the worst for this. I always add 3% Bentonite to my glazes. Also makes the unfired surface of the glaze tough.
This is about how I do it and works great-The drill is the key-you can also beat up the chunks if they are dry with a hammer then add water.
Posted 18 Jun 2013I have been studying The Kiln Book 3rd edition by Frederick Olsen. When speaking of downdraft kilns, I understand the inlet and outlet area size in square inches should be the same. Most of the designs have the burner inlets at the same height as the flue vents or chimney outlet. One design has the burners below the flue vent outlet height ( pgs. 110 -124). Can the flue vent outlet height be lower than the burner inlets?
I want to create a flue vent in the floor of the kiln instead of at the base of the kiln's sidewall. Thus the hot air will exit through the floor of the kiln, run horizontally until it reaches the outer edge of the sidewall, then form a chimney along the outer wall. I am converting an old electric paragon kiln to gas and want to make sure a flor flu vent is as good as a sidewall flue vent.
Yes it can and as far a flue size I have found and agree with Nils Lou (pages 20-24) that most books get this too large. I have built two kilns with about 1/2 the size stated in Olsens book .One with the double venturi that Lou spells out in the Art of Firing book-(Newer version of book by gental breeze/Black)They draw better and are more even.Iwould suggest picking up a copy.His stacks designs are more current and our salt kiln is made with these principles and works like a dream.
Posted 17 Jun 2013I use a large bat with foam glued to it-works for many forms.
Posted 16 Jun 2013animal ash-cherry wood ash-copper metal shavings-road kill bags of dry materials
Seems all normal to me?
road kill bags................OK, you have the lead so far. By-the-way. if anyone want tumbleweed ash. I'm taking orders for this year's crop. Harvesting starts around October and really never ends.
I drive a lot to Az/Colorado/Nevada shows and the like over the past 25-30 years . Its about a two day drive-I go by lots of mines and trucks which at time spill loads of stuff.
The borax mine in the mohave for one-so over the years I have stopped and picked up more than a few bags of unknown stuff spilled off big rigs and always try it in a glaze fire for a test.
Hence road kill bags. Yet to find a bag full of $
A few times I can identify the bag first.
Posted 16 Jun 2013Mount the squirrel cage away from the heat.
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- 60 years old
- March 15, 1953
- Near Arcata Ca-redwood rain forest
Diving-underwater photo-salvage diving-dive Travel
Extreme offshore tuna fishing off north coast of Ca.
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