tomhumf 28 Posted July 21, 2019 Report Share Posted July 21, 2019 I'm going on holiday in a couple of days and wanted to get a firing in before I go. I ran out of cones and I don't have time to order more before I go. I just found some cone 7 minibars that I used to use in my electric kiln sitter. Nowadays I'm now firing a gas kiln. If I stick them in some clay do you think they will bend at the same rate as a normal cone 7 witness cone? Quote Link to post Share on other sites
neilestrick 4,614 Posted July 22, 2019 Report Share Posted July 22, 2019 No, a minibar cannot be used as a cone on the shelf. They're made for the sitter only. Babs 1 Quote Link to post Share on other sites
Mark C. 4,879 Posted July 22, 2019 Report Share Posted July 22, 2019 (edited) go get some real (large) cones for that gas fired kiln-the bars will not work as Neil said I think DHL and Fed X are in the UK so cones cane get there in 1 day Edited July 22, 2019 by Mark C. Quote Link to post Share on other sites
Babs 1,206 Posted July 22, 2019 Report Share Posted July 22, 2019 If can replicate the angle of usual witness cones, maybe. Got a recent log of your firing ? Got any other cones? Just thinking if follow usual schedule according to your log, that and your mini s and looking at pots through spyhole should get you there unless you have very finicky glazes. Quote Link to post Share on other sites
liambesaw 2,767 Posted July 22, 2019 Report Share Posted July 22, 2019 Replicating the angle doesn't work, the bars bend under pressure at the correct angle. Remember a sitter is keeping the bar under constant tension, that's how they work, with just gravity it won't bend like a cone. Even the little mini cones don't bend the same if you put them in a cone pack. The bend chart is for self supporting and large cones only Babs 1 Quote Link to post Share on other sites
tomhumf 28 Posted July 22, 2019 Author Report Share Posted July 22, 2019 Ok thanks I will just wait until I can get some proper cones when I come back then. Quote Link to post Share on other sites
Babs 1,206 Posted July 22, 2019 Report Share Posted July 22, 2019 Got a potting friend nearby? Order so they are waiting for you on your return:-)) Quote Link to post Share on other sites
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