Babs Posted September 16, 2014 Report Share Posted September 16, 2014 How dry does the clay have to be to produce an effective chatter, or does it depend on teh hold on the tool? Link to comment Share on other sites More sharing options...
ayjay Posted September 16, 2014 Report Share Posted September 16, 2014 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://ceramicartsdaily.org/ceramic-arts-daily-site-search/?cx=001510309991982260494%3Afn9s4gctyhs&cof=FORID%3A9&ie=UTF-8&q=chattering&sa.x=13&sa.y=17 Link to comment Share on other sites More sharing options...
neilestrick Posted September 16, 2014 Report Share Posted September 16, 2014 The softer the clay, the deeper the cuts, but you can get it to work at just about any hardness. How hard you push on the tool and the shape of the tool will also affect the depth of cut. Link to comment Share on other sites More sharing options...
Colby Charpentier Posted September 16, 2014 Report Share Posted September 16, 2014 Position the tool such that the cutting edge approaches near perpendicular to the tangent at the point of contact. The tool will begin to cut at the severe angle, and then skip outward as the anchor force on the tool overcomes the support force of the paddle (blade). Link to comment Share on other sites More sharing options...
Min Posted September 16, 2014 Report Share Posted September 16, 2014 Good video on chattering by Hsin-Chuen Lin here: Chattering starts at about 11 minutes. Link to comment Share on other sites More sharing options...
Babs Posted September 17, 2014 Author Report Share Posted September 17, 2014 Thanks people, like everything, practise.Need to take e few pots and work at it. Link to comment Share on other sites More sharing options...
Joseph Fireborn Posted September 17, 2014 Report Share Posted September 17, 2014 I like the chattering effects that Hsin-Chuen does. The pots where he does the top 1/4 in the long chittering effects in a light brown glaze then does a solid dark color below are just beautiful. Here is a link of some of his finished chittering pots that I love the blue brown one is my fav. the video min linked is excellent. Link to comment Share on other sites More sharing options...
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