Sandstone Clay Cone 10 Oxidation
This test was done Feb 2022, and I never created a blog post. Almost cone 10 in oxidation. 100% local clay. This clay froze and was a bit stiffer than I’d like. Previous workability tests …
Moon Clay Oxidation Test Cone 10
This is the Moon Clay (Moon, Oklahoma) fired to cone 10 oxidation and cone 10 reduction (the bar). Absorption (3 hr boil 21 hr soak) is 8.2%. It’s an interesting clay to work with. It’s …
Another High Fire Test
EDIT: Fired porosity tested as 2.8%. That’s about perfect as I can fire a bit hotter, and it gives me a bit of wiggle room for reduction. Just out of the kiln this morning. Cone …
Last Cone 5/6 Test
These maybe the last cone 5/6 tests that I do. I won’t say I’ll never return to cone 5/6 because who knows what the future holds. These were fired to cone 5. This is my …
First High Fire Test of a Local Clay
This is the start of a journey, to fire hotter, in the hopes of not having to buy/ship as many ingredients. I’m also hoping to do less mixing and testing, thus, giving myself more time …
Cone 10 Reduction Test of the Moon Clay
Mark Issenburg of http://www.lookoutmountainpottery.com/ generously offered to test some Moon clay (Moon Community, Southeast Oklahoma) at cone 10 reduction. This is the results.
Winding Your Own Kiln Elements
Would I do it again? Maybe… I would do a few things differently. 1) run a rope or wire around the groves in the kiln to get a better measurement on length, and 2) start …
Slumping
This is not something with which I’ve had much experience. I was very surprised when I opened the kiln and found it stuck to the shelf in this manner. This clay body tested at 1.5% …
Porosity tests of 100% local clay
Tests of my red clay and Moon clay (Moon community, southeast Oklahoma) both of which were just rough processed through window screen. The sandstone revision 3 is the SS3 bar. It’s fine processed with some …
Practical Drying Tests
A couple of largish greenware (unfired) test pots from 100% wild clay. Both of these were dried inside with the AC, but uncovered to see how they would do. They didn’t crack. The red bowl …