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Member Since 05 Nov 2011
Offline Last Active Today, 02:59 PM

Posts I've Made

In Topic: Chattering Patterns

Yesterday, 05:00 AM

Leather hard is the norm recommended, I certainly don't like it any drier than that and I have done successfully it a few minutes after throwing, (then you can stretch/rib the pot out after chattering for a different effect)


If your tools are homemade and have a long shaft/handle area (parallel-ish to the pot) it may make a difference where you hold it.


Wheel speed needs to be fairly fast (certainly as a starting point) and if your chatter tools are home made you may have to experiment a little with the angle of attack  - once it's working right you'll feel/hear it. 


Quite a few related items here:- http://ceramicartsda...sa.x=13&sa.y=17



In Topic: Learning To Use Colored Slip...help

12 September 2014 - 10:39 AM

mermoose, do not use slip on bisque.  it will not stick.  


As you say, ordinary slip won't work on bisque, however, I've used a slip made with a 50/50 mix of ball clay and china clay to go on bisque, you can add whatever stains/colours you want.


I've only done it once and it was fired a second time before glazing - I don't know if that was necessary or not but it felt like the safest option.

In Topic: Making Cone Packs

06 September 2014 - 05:04 PM

I don't make cone packs, I wrap single cones individually, I roll a sausage of clay, a bit like a very elongated egg, maybe 80mm long and 10mm at the thickest point tapering down to nothing.


The actual cone ends are not square to the sides, place the end on a flat surface, (and see how it leans over)  wrap the sausage around the cone, put the middle of the sausage where the cone makes an acute angle with the flat surface, bring the thin ends together around the cone and your cone is ready (when dry) and leaning at the right angle.


Sounds complicated but it takes seconds once you've got it.



In Topic: How To Get Started With Old Stains, Etc

06 September 2014 - 04:18 PM

How do I mix small quantities of glaze? Everywhere I look the speak of 5 gallon buckets! To test the dozen glazes I have, I would like to make small batches of about 250 ml each. What ratio of water to dry glaze do I use?


I often mix small quantities when testing new glazes, usually 100 grams dry weight, to this I will add 90 grams of water, I can't remember that amount ever being too much, sometimes I've used up to 150 grams of water, it depends on the ingredients, but it's easier to add more than to take it out.

In Topic: Is Is Possible To Calcine Your Own Kaolin?

02 September 2014 - 04:19 PM

I was going to do this last week, (but then I eventually remembered where I'd put my batt-wash mix). :rolleyes:


Does the Kaolin need to be fired in a bowl which has already been bisqued, or can it be fired in a bowl which is being bisqued in the same firing?